Insight Enterprises (NSIT) 10-K20 Feb 152014 FY Annual reportFinancial data

Company Profile

Document_and_Entity_Informatio

Document and Entity Information (USD $)	12 Months Ended
Document and Entity Information (USD $)	Dec. 31, 2014	Feb. 13, 2015	Jun. 30, 2014
Document And Entity Information [Abstract]
Document Type	10-K
Amendment Flag	FALSE
Document Period End Date	31-Dec-14
Document Fiscal Year Focus	2014
Document Fiscal Period Focus	FY
Trading Symbol	NSIT
Entity Registrant Name	INSIGHT ENTERPRISES INC
Entity Central Index Key	932696
Current Fiscal Year End Date	-19
Entity Well-known Seasoned Issuer	Yes
Entity Current Reporting Status	Yes
Entity Voluntary Filers	No
Entity Filer Category	Large Accelerated Filer
Entity Common Stock, Shares Outstanding		39,753,955
Entity Public Float			$1,246,650,771

Consolidated_Balance_Sheets

Consolidated Balance Sheets (USD $)	Dec. 31, 2014	Dec. 31, 2013
In Thousands, unless otherwise specified	Dec. 31, 2014	Dec. 31, 2013
Current assets:
Cash and cash equivalents	$164,524	$126,817
Accounts receivable, net	1,309,209	1,257,910
Inventories	122,573	97,268
Inventories not available for sale	45,261	38,705
Deferred income taxes	13,385	16,436
Other current assets	62,920	57,528
Total current assets	1,717,872	1,594,664
Property and equipment, net	104,181	132,820
Goodwill	26,257	26,257
Intangible assets, net	23,567	35,765
Deferred income taxes	58,620	58,651
Other assets	17,626	19,561
Total assets	1,948,123	1,867,718
Current liabilities:
Accounts payable-trade	819,916	735,699
Accounts payable-inventory financing facility	122,781	115,252
Accrued expenses and other current liabilities	144,561	156,491
Current portion of long-term debt	766	217
Deferred revenue	50,904	44,146
Total current liabilities	1,138,928	1,051,805
Long-term debt	62,535	66,949
Deferred income taxes	940	443
Other liabilities	24,489	31,603
Total liabilities	1,226,892	1,150,800
Commitments and contingencies
Stockholders' equity:
Preferred stock, $0.01 par value, 3,000 shares authorized; no shares issued
Common stock, $0.01 par value, 100,000 shares authorized; 40,147 and 42,023 shares issued and outstanding in 2014 and 2013, respectively	401	420
Additional paid-in capital	337,167	348,703
Retained earnings	396,992	353,854
Accumulated other comprehensive income (loss) - foreign currency translation adjustments	-13,329	13,941
Total stockholders' equity	721,231	716,918
Total liabilities and stockholders' equity	$1,948,123	$1,867,718

Consolidated_Balance_Sheets_Pa

Consolidated Balance Sheets (Parenthetical) (USD $)	Dec. 31, 2014	Dec. 31, 2013
In Thousands, except Per Share data, unless otherwise specified	Dec. 31, 2014	Dec. 31, 2013
Statement of Financial Position [Abstract]
Preferred stock, par value	$0.01	$0.01
Preferred stock, shares authorized	3,000	3,000
Preferred stock, shares issued	0	0
Common stock, par value	$0.01	$0.01
Common stock, shares authorized	100,000	100,000
Common stock, shares issued	40,147	42,023
Common stock, shares outstanding	40,147	42,023

Consolidated_Statements_of_Ope

Consolidated Statements of Operations (USD $)	3 Months Ended								12 Months Ended
In Thousands, except Per Share data, unless otherwise specified	Dec. 31, 2014	Sep. 30, 2014	Jun. 30, 2014	Mar. 31, 2014	Dec. 31, 2013	Sep. 30, 2013	Jun. 30, 2013	Mar. 31, 2013	Dec. 31, 2014	Dec. 31, 2013	Dec. 31, 2012
Income Statement [Abstract]
Net sales	$1,446,134	$1,237,668	$1,417,897	$1,214,530	$1,395,158	$1,151,020	$1,416,547	$1,181,622	$5,316,229	$5,144,347	$5,301,441
Costs of goods sold	1,263,895	1,065,848	1,223,298	1,050,785	1,214,003	982,352	1,225,620	1,023,485	4,603,826	4,445,460	4,581,765
Gross profit	182,239	171,820	194,599	163,745	181,155	168,668	190,927	158,137	712,403	698,887	719,676
Operating expenses:
Selling and administrative expenses	143,594	143,134	147,810	142,429	140,799	139,965	143,158	140,988	576,967	564,910	565,206
Severance and restructuring expenses	3,478	308	310	337	4,413	2,424	3,171	2,732	4,433	12,740	6,317
Earnings from operations	35,167	28,378	46,479	20,979	35,943	26,279	44,598	14,417	131,003	121,237	148,153
Non-operating (income) expense:
Interest income	-251	-229	-333	-249	-259	-322	-337	-312	-1,062	-1,230	-1,468
Interest expense	1,466	1,594	1,501	1,458	1,560	1,603	1,556	1,618	6,019	6,337	6,101
Gain on bargain purchase											-2,022
Net foreign currency exchange loss (gain)	-868	238	461	496	445	474	-886	161	327	194	-463
Other expense, net	286	369	443	249	332	364	342	374	1,347	1,412	1,337
Earnings before income taxes	34,534	26,406	44,407	19,025	33,865	24,160	43,923	12,576	124,372	114,524	144,668
Income tax expense	15,051	9,004	17,158	7,475	13,458	9,135	17,410	3,500	48,688	43,503	51,905
Net earnings	$19,483	$17,402	$27,249	$11,550	$20,407	$15,025	$26,513	$9,076	$75,684	$71,021	$92,763
Net earnings per share:
Basic	$0.48	$0.42	$0.67	$0.28	$0.48	$0.35	$0.62	$0.20	$1.84	$1.65	$2.09
Diluted	$0.48	$0.42	$0.66	$0.28	$0.48	$0.35	$0.62	$0.20	$1.83	$1.64	$2.07
Shares used in per share calculations:
Basic									41,062	43,012	44,413
Diluted									41,358	43,289	44,834

Consolidated_Statements_of_Com

Consolidated Statements of Comprehensive Income (USD $)	12 Months Ended
In Thousands, unless otherwise specified	Dec. 31, 2014	Dec. 31, 2013	Dec. 31, 2012
Statement of Comprehensive Income [Abstract]
Net earnings	$75,684	$71,021	$92,763
Other comprehensive income (loss), net of tax:
Foreign currency translation adjustments	-27,270	-5,716	6,759
Total comprehensive income	$48,414	$65,305	$99,522

Consolidated_Statements_of_Sto

Consolidated Statements of Stockholders' Equity (USD $)	Total	Common Stock [Member]	Treasury Stock [Member]	Additional Paid-in Capital [Member]	Accumulated Other Comprehensive Income (Loss) [Member]	Retained Earnings [Member]
In Thousands	Total	Common Stock [Member]	Treasury Stock [Member]	Additional Paid-in Capital [Member]	Accumulated Other Comprehensive Income (Loss) [Member]	Retained Earnings [Member]
Beginning Balance at Dec. 31, 2011	$596,832	$439		$360,370	$12,898	$223,125
Beginning Balance, Shares at Dec. 31, 2011		43,919
Issuance of common stock under employee stock plans, net of shares withheld for payroll taxes, Value	-647	7		-654
Issuance of common stock under employee stock plans, net of shares withheld for payroll taxes, Shares		675
Stock-based compensation expense	8,548			8,548
Tax benefit from stock-based compensation	1,036			1,036
Foreign currency translation adjustment, net of tax	6,759				6,759
Net earnings	92,763					92,763
Ending Balance at Dec. 31, 2012	705,291	446		369,300	19,657	315,888
Ending Balance, Shares at Dec. 31, 2012		44,594
Issuance of common stock under employee stock plans, net of shares withheld for payroll taxes, Value	-3,094	4		-3,098
Issuance of common stock under employee stock plans, net of shares withheld for payroll taxes, Shares		429
Stock-based compensation expense	6,430			6,430
Tax benefit from stock-based compensation	760			760
Repurchase of treasury stock, Amount	-57,774		-57,774
Repurchase of treasury stock, Shares			-3,000
Retirement of treasury stock, Amount		-30	57,774	-24,689		-33,055
Retirement of treasury stock, Shares		-3,000	3,000
Foreign currency translation adjustment, net of tax	-5,716				-5,716
Net earnings	71,021					71,021
Ending Balance at Dec. 31, 2013	716,918	420		348,703	13,941	353,854
Ending Balance, Shares at Dec. 31, 2013		42,023
Issuance of common stock under employee stock plans, net of shares withheld for payroll taxes, Value	-2,028	2		-2,030
Issuance of common stock under employee stock plans, net of shares withheld for payroll taxes, Shares		264
Stock-based compensation expense	7,750			7,750
Tax benefit from stock-based compensation	560			560
Repurchase of treasury stock, Amount	-50,383		-50,383
Repurchase of treasury stock, Shares			-2,140
Retirement of treasury stock, Amount		-21	50,383	-17,816		-32,546
Retirement of treasury stock, Shares		-2,140	2,140
Foreign currency translation adjustment, net of tax	-27,270				-27,270
Net earnings	75,684					75,684
Ending Balance at Dec. 31, 2014	$721,231	$401		$337,167	($13,329)	$396,992
Ending Balance, Shares at Dec. 31, 2014		40,147

Consolidated_Statements_of_Cas

Consolidated Statements of Cash Flows (USD $)	12 Months Ended
In Thousands, unless otherwise specified	Dec. 31, 2014	Dec. 31, 2013	Dec. 31, 2012
Cash flows from operating activities:
Net earnings	$75,684	$71,021	$92,763
Adjustments to reconcile net earnings to net cash provided by operating activities:
Depreciation and amortization	40,570	41,544	41,177
Non-cash real estate impairment	4,558
Provision for losses on accounts receivable	4,409	4,696	4,195
Write-downs of inventories	2,630	3,719	3,089
Write-off of property and equipment	741	606	596
Non-cash stock-based compensation	7,750	6,430	8,548
Gain on bargain purchase			-2,022
Excess tax benefit from employee gains on stock-based compensation	-568	-909	-1,966
Deferred income taxes	3,794	3,445	8,978
Gain on related party sale of property and equipment	-895
Changes in assets and liabilities:
(Increase) decrease in accounts receivable	-107,969	111,545	-141,182
(Increase) decrease in inventories	-35,714	-7,391	27,477
Increase in other current assets	-5,182	-30,650	-5,816
Decrease in other assets	1,604	735	9,207
Increase (decrease) in accounts payable	121,506	-130,657	56,442
Increase (decrease) in deferred revenue	8,303	1,197	-11,196
(Decrease) increase in accrued expenses and other liabilities	-10,902	735	-22,848
Net cash provided by operating activities	110,319	76,066	67,442
Cash flows from investing activities:
Acquisition, net of cash acquired			-3,831
Purchases of property and equipment	-9,983	-19,024	-30,152
Proceeds from sale of property and equipment	2,472
Net cash used in investing activities	-7,511	-19,024	-33,983
Cash flows from financing activities:
Borrowings on senior revolving credit facility	484,992	835,328	803,953
Repayments on senior revolving credit facility	-501,492	-851,828	-885,953
Borrowings on accounts receivable securitization financing facility	1,050,070	875,000	581,000
Repayments on accounts receivable securitization financing facility	-1,039,070	-872,000	-534,000
Borrowings under other financing agreements	2,002
Repayments under other financing agreements	-150
Payments on capital lease obligation	-217	-671	-1,017
Net borrowings (repayments) under inventory financing facility	7,529	-1,581	22,900
Payment of deferred financing fees	-351		-2,777
Proceeds from sales of common stock under employee stock plans			2,641
Excess tax benefit from employee gains on stock-based compensation	568	909	1,966
Payment of payroll taxes on stock-based compensation through shares withheld	-2,028	-3,094	-3,288
Repurchases of common stock	-50,383	-57,774
Net cash used in financing activities	-48,530	-75,711	-14,575
Foreign currency exchange effect on cash and cash equivalent balances	-16,571	-6,633	4,899
Increase (decrease) in cash and cash equivalents	37,707	-25,302	23,783
Cash and cash equivalents at beginning of year	126,817	152,119	128,336
Cash and cash equivalents at end of year	$164,524	$126,817	$152,119

Operations_and_Summary_of_Sign

Operations and Summary of Significant Accounting Policies

12 Months Ended

Dec. 31, 2014

Accounting Policies [Abstract]

Operations and Summary of Significant Accounting Policies

-1

Operations and Summary of Significant Accounting Policies

Description of Business

We are a leading technology provider of hardware, software and service solutions to business and government clients in North America, Europe, the Middle East, Africa and Asia-Pacific. The Company is organized in the following three operating segments, which are primarily defined by their related geographies:

Operating Segment

Geography

North America

United States and Canada

EMEA

Europe, Middle East and Africa

APAC

Asia-Pacific

Our offerings in North America and select countries in EMEA include hardware, software and services. Our offerings in the remainder of our EMEA segment and in APAC are almost entirely software and select software-related services.

Acquisitions

On February 1, 2012, we acquired Inmac GmbH and Micro Warehouse BV (“Inmac”), a broad portfolio business-to-business hardware reseller based in Frankfurt, Germany and Amsterdam, Netherlands servicing clients in Western Europe, for a cash purchase price, net of cash acquired, of $3,831,000. Our EMEA operating segment recognized a non-operating gain on bargain purchase of $2,022,000 during 2012 as the fair value of the net assets acquired exceeded the purchase price. Prior to recognizing the gain on bargain purchase, we reassessed the assets acquired and liabilities assumed in the acquisition.

Principles of Consolidation and Presentation

The consolidated financial statements include the accounts of Insight Enterprises, Inc. and its wholly owned subsidiaries. All significant intercompany balances and transactions have been eliminated in consolidation. References to “the Company,” “Insight,” “we,” “us,” “our” and other similar words refer to Insight Enterprises, Inc. and its consolidated subsidiaries, unless the context suggests otherwise.

Use of Estimates

The preparation of consolidated financial statements in conformity with U.S. generally accepted accounting principles (“GAAP”) requires management to make estimates and assumptions that affect the reported amounts of assets and liabilities and disclosure of contingent assets and liabilities at the date of the consolidated financial statements. Additionally, these estimates and assumptions affect the reported amounts of net sales and expenses during the reporting period. Actual results could differ from those estimates. On an ongoing basis, we evaluate our estimates, including those related to sales recognition, anticipated achievement levels under partner funding programs, assumptions related to stock-based compensation valuation, allowances for doubtful accounts, valuation of inventories, litigation-related obligations, valuation allowances for deferred tax assets and impairment of long-lived assets, including purchased intangibles and goodwill, if indicators of potential impairment exist.

Cash and Cash Equivalents

We consider all highly liquid investments with maturities at the date of purchase of three months or less to be cash equivalents.

Book overdrafts represent the amount by which outstanding checks issued, but not yet presented to our banks for disbursement, exceed balances on deposit in applicable bank accounts and a legal right of offset with our positive cash balances in other financial institution accounts does not exist. Our book overdrafts, which are not directly linked to a credit facility or other bank overdraft arrangement, do not result in an actual bank financing, but rather constitute normal unpaid trade payables at the end of a reporting period. These amounts are included within our accounts payable balance in our consolidated balance sheets. The changes in these book overdrafts are included within the changes in accounts payable line item as a component of cash flows from operating activities in our consolidated statements of cash flows.

Allowance for Doubtful Accounts

We establish an allowance for doubtful accounts to reflect our best estimate of probable losses inherent in our accounts receivable balance. The allowance is based on our evaluation of the aging of the receivables, historical write-offs and the current economic environment. We write off individual accounts against the reserve when we no longer believe that it is probable that we will collect the receivable because we become aware of a client’s or vendor’s inability to meet its financial obligations. Such awareness may be as a result of bankruptcy filings, or deterioration in the client’s or vendor’s operating results or financial position.

Inventories

We state inventories, principally purchased information technology (“IT”) hardware, at the lower of weighted average cost (which approximates cost under the first-in, first-out method) or market. We evaluate inventories for excess, obsolescence or other factors that may render inventories unmarketable at normal margins. Write-downs are recorded so that inventories reflect the approximate net realizable value and take into account contractual provisions with our partners governing price protection, stock rotation and return privileges relating to obsolescence. Because of the large number of transactions and the complexity of managing the price protection and stock rotation process, estimates are made regarding write-downs of the carrying amount of inventories. Additionally, assumptions about future demand, market conditions and decisions by manufacturers/publishers to discontinue certain products or product lines can affect our decision to write down inventories.

Inventories not available for sale relate to product sales transactions in which we are warehousing the product and will be deploying the product to clients’ designated locations subsequent to period-end. Additionally, we may perform services on a portion of the product prior to shipment to our clients and will be paid a fee for doing so. Although these product contracts are non-cancelable with customary credit terms beginning the date the inventories are segregated in our warehouse and invoiced to the client and the warranty periods begin on the date of invoice, these transactions do not meet the sales recognition criteria under GAAP. Therefore, we do not record sales and the inventories are classified as inventories not available for sale on our consolidated balance sheet until the product is delivered. If clients remit payment before we deliver product to them, we record the payments received as deferred revenue on our consolidated balance sheet until such time as the product is delivered.

Property and Equipment

We record property and equipment at cost. We capitalize major improvements and betterments, while maintenance, repairs and minor replacements are expensed as incurred. Depreciation or amortization is provided using the straight-line method over the following estimated economic lives of the assets:

Estimated Economic Life

Leasehold improvements

Shorter of underlying lease

term or asset life

Furniture and fixtures

2 – 7 years

Equipment

3 – 5 years

Software

3 – 10 years

Buildings

29 years

Costs incurred to develop internal-use software during the application development stage, including capitalized interest, are recorded in property and equipment at cost. External direct costs of materials and services consumed in developing or obtaining internal-use computer software and payroll and payroll-related costs for teammates who are directly associated with and who devote time to internal-use computer software development projects, to the extent of the time spent directly on the project and specific to application development, are capitalized.

Our capital lease assets (see Note 7) are amortized on a straight-line basis over the lease term. The related amortization expense is included in selling and administrative expenses in our consolidated statements of operations.

Reviews are regularly performed to determine whether facts and circumstances exist which indicate that the useful life is shorter than originally estimated or the carrying amount of assets may not be recoverable. When an indication exists that the carrying amount of long-lived assets may not be recoverable, we assess the recoverability of our assets by comparing the projected undiscounted net cash flows associated with the related asset or group of assets over their remaining lives against their respective carrying amounts. Such impairment test is based on the lowest level for which identifiable cash flows are largely independent of the cash flows of other groups of assets and liabilities. Impairment, if any, is based on the excess of the carrying amount over the estimated fair value of those assets.

Goodwill

Goodwill is recorded when the purchase price paid for an acquisition exceeds the estimated fair value of net identified tangible and intangible assets acquired. Goodwill is tested for impairment at the reporting unit level on an annual basis in the fourth quarter and between annual tests if an event occurs or circumstances change that would more likely than not reduce the fair value of the reporting unit below its carrying value. We may first perform a qualitative assessment to determine whether it is more likely than not that the fair value of a reporting unit is less than its carrying value. If it is concluded that this is the case, it is necessary to perform a quantitative two-step goodwill impairment test. Otherwise, the two-step goodwill impairment test is not required. The quantitative two-step goodwill impairment review process compares the fair value of the reporting unit in which goodwill resides to its carrying value. The Company has three reporting units, which are the same as our operating segments. Multiple valuation techniques can be used to assess the fair value of the reporting unit. All of these techniques include the use of estimates and assumptions that are inherently uncertain. Changes in these estimates and assumptions could materially affect the determination of fair value or goodwill impairment, or both.

Intangible Assets

We amortize intangible assets acquired in business combinations using the straight-line method over the following estimated economic lives of the intangible assets from the date of acquisition:

Estimated Economic Life

Customer relationships

2 – 11 years

Other

9 months – 3 years

We regularly perform reviews to determine if facts and circumstances exist which indicate that the useful lives of our long-lived assets are shorter than originally estimated or the carrying amount of these assets may not be recoverable. When an indication exists that the carrying amount of intangible assets may not be recoverable, we assess the recoverability of our assets by comparing the projected undiscounted net cash flows associated with the related asset or group of assets over their remaining lives against their respective carrying amounts. Such impairment test is based on the lowest level for which identifiable cash flows are largely independent of the cash flows of other groups of assets and liabilities. Impairment, if any, is based on the excess of the carrying amount over the estimated fair value of those assets.

Trade Credits

Trade credit liabilities arise from aged unclaimed credit memos, duplicate payments, payments for returned product or overpayments made to us by our clients, and, to a lesser extent, from goods received by us from a supplier for which we were never invoiced. Trade credit liabilities are included in accrued expenses and other current liabilities in our consolidated balance sheet. We derecognize the liability as a reduction of costs of goods sold only if it has been extinguished, upon either (1) our payment of the liability to relieve our obligation or (2) our legal release from the related obligation.

Self Insurance

We are self-insured in the U.S. for medical insurance up to certain annual stop-loss limits and workers’ compensation claims up to certain deductible limits. We establish reserves for claims, both reported and incurred but not reported, using currently available information as well as our historical claims experience.

Treasury Stock

We record repurchases of our common stock as treasury stock at cost. We also record the subsequent retirement of these treasury shares at cost. The excess of the cost of the shares retired over their par value is allocated between additional paid-in capital and retained earnings. The amount recorded as a reduction of paid-in capital is based on the excess of the average original issue price of the shares over par value. The remaining amount is recorded as a reduction of retained earnings.

Sales Recognition

Sales are recognized when title and risk of loss are passed to the client, there is persuasive evidence of an arrangement for sale, delivery has occurred and/or services have been rendered, the sales price is fixed or determinable and collectibility is reasonably assured. Our standard sales terms are F.O.B. shipping point or equivalent, at which time title and risk of loss have passed to the client. However, because we either (i) have a general practice of covering client losses while products are in transit despite title and risk of loss contractually transferring at the point of shipment or (ii) have specifically stated F.O.B. destination contractual terms with the client, delivery is not deemed to have occurred until the point in time when the product is received by the client.

We leverage drop-shipment arrangements with many of our partners and suppliers to deliver products to our clients without having to physically hold the inventory at our warehouses, thereby increasing efficiency and reducing costs. We recognize revenue for drop-shipment arrangements on a gross basis when the product is received by the client. We recognize revenue on a gross basis as the principal in the transaction because we are the primary obligor in the arrangement, we assume inventory risk if the product is returned by the client, we set the price of the product charged to the client, we assume credit risk for the amounts invoiced, and we work closely with our clients to determine their hardware and software specifications.

We make provisions for estimated product returns that we expect to occur under our return policy based upon historical return rates. Our manufacturers warrant most of the products we market, and it is our policy to request that clients return their defective products directly to the manufacturer for warranty service during the manufacturer’s warranty period. On selected products, and for selected client service reasons, we may accept returns directly from the client and then either credit the client or ship a replacement product. We generally offer a limited 15- to 30-day return policy for unopened products and certain opened products, which are consistent with manufacturers’ terms; however, for some products we may charge restocking fees. Products returned opened are processed and returned to the manufacturer or partner for repair, replacement or credit to us. Subject to some manufacturers’ restrictions, certain products cannot be returned to the manufacturer for warranty processing. We resell most unopened products returned to us. If we accept a return from ta client that we cannot return to the partner, we try to mitigate our losses by selling to inventory liquidators, to end users as “previously sold” or “used” products, or through other channels.

We record the freight we bill to our clients as net sales and the related freight costs we pay as costs of goods sold. We report sales net of any sales-based taxes assessed by governmental authorities that are imposed on and concurrent with sales transactions.

Revenue is recognized from software sales when clients acquire the right to use or copy software under license, but in no case prior to the commencement of the term of the initial software license agreement, provided that all other revenue recognition criteria have been met (i.e., evidence of the arrangement exists, the fee is fixed or determinable and collectibility of the fee is probable).

We sell certain third-party service contracts and software maintenance or subscription products for which we are not the primary obligor. These sales do not meet the criteria for gross sales recognition, and thus are recorded on a net sales recognition basis. As we enter into contracts with third-party service providers or vendors and our clients, we evaluate whether the subsequent sales of such services should be recorded as gross sales or net sales. We determine whether we act as a principal in the transaction and assume the risks and rewards of ownership or if we are simply acting as an agent or broker. Under gross sales recognition, the selling price is recorded in sales and our cost to the third-party service provider or vendor is recorded in costs of goods sold. Under net sales recognition, the cost to the third-party service provider or vendor is recorded as a reduction to sales, resulting in net sales equal to the gross profit on the transaction, and there are no costs of goods sold.

We recognize revenue for sales of services ratably over the time period over which the service will be provided if there is no discernible pattern of recognition of the cost to perform the service. Billings for such services that are made in advance of the related revenue recognized are recorded as deferred revenue and recognized as revenue ratably over the billing coverage period. Revenue from certain arrangements that allow for the use of a product or service over a period of time without taking possession of software are also accounted for ratably over the time period over which the service will be provided.

We recognize revenue for professional services engagements that are on a time and materials basis based upon hours incurred as the services are performed and amounts are earned.

Additionally, we sell certain professional services contracts on a fixed fee basis. Revenues for fixed fee professional services contracts are recognized based on the ratio of costs incurred to total estimated costs. Net sales for these service contracts are not a significant portion of our consolidated net sales.

In certain arrangements, we may provide a combination of hardware and software products and the provision of services. Services that are performed by us in conjunction with hardware and software sales that are completed in our facilities prior to shipment of the product are recognized upon delivery, when title passes to the client, for the hardware sale. Net sales of services that are performed at client locations are primarily service-only contracts and are recorded as sales when the services are performed. The total consideration for an arrangement with multiple deliverables is allocated to all deliverables that represent a separate unit of accounting using the relative selling price method.

Costs of Goods Sold

Costs of goods sold include product costs, direct costs incurred associated with delivering services, outbound and inbound freight costs and provisions for inventory reserves. These costs are reduced by provisions for supplier discounts and certain payments and credits received from partners, as described under “Partner Funding” below.

Selling and Administrative Expenses

Selling and administrative expenses include salaries and wages, bonuses and incentives, stock-based compensation expense, employee-related expenses, facility-related expenses, marketing and advertising expense, reduced by certain payments and credits received from partners related to shared marketing expense programs, as described under “Partner Funding” below, depreciation of property and equipment, professional fees, amortization of intangible assets, provisions for losses on accounts receivable and other operating expenses.

Partner Funding

We receive payments and credits from partners, including consideration pursuant to volume sales incentive programs, volume purchase incentive programs and shared marketing expense programs. Partner funding received pursuant to volume sales incentive programs is recognized as it is earned as a reduction to costs of goods sold. Partner funding received pursuant to volume purchase incentive programs is allocated as a reduction to inventories based on the applicable incentives earned from each partner and is recorded in cost of goods sold as the related inventory is sold. Partner funding received pursuant to shared marketing expense programs is recorded as it is earned as a reduction of the related selling and administrative expenses in the period the program takes place only if the consideration represents a reimbursement of specific, incremental, identifiable costs. Consideration that exceeds the specific, incremental, identifiable costs is classified as a reduction of costs of goods sold. The amount of partner funding recorded as a reduction of selling and administrative expenses in our statements of operations totaled $40,106,000, $34,900,000 and $30,714,000 for the years ended December 31, 2014, 2013 and 2012, respectively.

Concentrations of Risk

Credit Risk

Although we are affected by the international economic climate, management does not believe material credit risk concentration existed at December 31, 2014. We monitor our clients’ financial condition and do not require collateral. No single client accounted for more than 2% of our consolidated net sales in 2014.

Supplier Risk

Purchases from Microsoft and Ingram Micro accounted for approximately 25% and 11%, respectively, of our aggregate purchases in 2014. No other partner accounted for more than 10% of purchases in 2014. Our top five partners as a group for 2014 were Microsoft, Ingram Micro (a distributor), HP, Cisco and Tech Data (a distributor), and approximately 63% of our total purchases during 2014 came from this group of partners. Although brand names and individual products are important to our business, we believe that competitive sources of supply are available in substantially all of our product categories such that, with the exception of Microsoft, we are not dependent on any single partner for sourcing products.

Advertising Costs

Advertising costs are expensed as they are incurred. Advertising expense of $31,214,000, $29,394,000 and $27,632,000 was recorded for the years ended December 31, 2014, 2013 and 2012, respectively. These amounts were partially offset by partner funding earned pursuant to shared marketing expense programs recorded as a reduction of selling and administrative expenses, as discussed above.

Stock-Based Compensation

Stock-based compensation is measured based on the fair value of the award on the date of grant and the corresponding expense is recognized over the period during which an employee is required to provide service in exchange for the reward. Stock-based compensation expense is classified in the same line item of our consolidated statements of operations as other payroll-related expenses specific to the employee. Compensation expense related to service-based restricted stock units (“RSUs”) is recognized on a straight-line basis over the requisite service period for the entire award. Compensation expense related to performance-based RSUs is recognized on a straight-line basis over the requisite service period for each separately vesting portion of the award as if the award was, in-substance, multiple awards (i.e., a graded vesting basis).

Foreign Currencies

We use the U.S. dollar as our reporting currency. The functional currencies of our significant foreign subsidiaries are generally the local currencies. Accordingly, assets and liabilities of the subsidiaries are translated into U.S. dollars at the exchange rate in effect at the balance sheet dates. Income and expense items are translated at the average exchange rate for each month within the year. The resulting translation adjustments are recorded directly in accumulated other comprehensive income (loss) – foreign currency translation adjustments as a separate component of stockholders’ equity. Net foreign currency transaction gains/losses, including transaction gains/losses on intercompany balances that are not of a long-term investment nature and non-functional currency cash balances, are reported as a separate component of non-operating (income) expense in our consolidated statements of operations.

Derivative Financial Instruments

We enter into forward foreign exchange contracts to mitigate the risk of non-functional currency monetary assets and liabilities on our consolidated financial statements. These forward contracts are not designated as hedge instruments. The fair value of all derivative assets and liabilities are recorded gross in the other current assets and accrued expenses and other current liabilities sections of the balance sheet. Gains/losses are recorded net in non-operating (income) expense in our consolidated statements of operations.

Income Taxes

Income taxes are accounted for under the asset and liability method. Deferred tax assets and liabilities are recognized for the future tax consequences attributable to differences between the financial statement carrying amounts of existing assets and liabilities and their respective tax bases and operating loss and tax credit carry forwards. Deferred tax assets and liabilities are measured using enacted tax rates expected to apply to taxable earnings in the years in which those temporary differences are expected to be recovered or settled. The effect on deferred tax assets and liabilities of a change in tax rates is recognized in earnings in the period that includes the enactment date.

We recognize net deferred tax assets to the extent that we believe these assets are more likely than not to be realized. In making such a determination, we consider all available positive and negative evidence, including future reversals of existing taxable temporary differences, projected future taxable income, tax-planning strategies and results of recent operations. If we determine that we would be able to realize our deferred tax assets in the future in excess of their net recorded amount, we would make an adjustment to the deferred tax asset valuation allowance, which would reduce the provision for income taxes.

We record uncertain tax positions on the basis of a two-step process whereby (1) we determine whether it is more likely than not that the tax positions will be sustained on the basis of the technical merits of the position and (2) for those tax positions that meet the more-likely-than-not recognition threshold, we recognize the largest amount of tax benefit that is more than 50 percent likely to be realized upon ultimate settlement with the related tax authority. Interest and penalties related to unrecognized tax benefits are recognized within the income tax expense line in our consolidated statements of operations. Accrued interest and penalties are included within the related tax liability line in our consolidated balance sheets.

Net Earnings Per Share (“EPS”)

Basic EPS is computed by dividing net earnings available to common stockholders by the weighted average number of common shares outstanding during each year. Diluted EPS is computed on the basis of the weighted average number of shares of common stock plus the effect of dilutive potential common shares outstanding during the period using the treasury stock method. Dilutive potential common shares include outstanding restricted stock units. A reconciliation of the denominators of the basic and diluted EPS calculations follows (in thousands, except per share data):

Years Ended December 31,

2014

2013

2012

Numerator:

Net earnings

75,684

71,021

92,763

Denominator:

Weighted-average shares used to compute basic EPS

41,062

43,012

44,413

Potential dilutive common shares due to dilutive stock

296

277

421

options and restricted stock units

Weighted-average shares used to compute diluted EPS

41,358

43,289

44,834

Net earnings per share:

Basic

1.84

1.65

2.09

Diluted

1.83

1.64

2.07

For the years ended December 31, 2014, 2013 and 2012, approximately 20,000, 177,000 and 295,000, respectively, of our restricted stock units were not included in the diluted EPS calculations because their inclusion would have been anti-dilutive. These share-based awards could be dilutive in the future.

Recently Issued Accounting Standards

On May 28, 2014, the Financial Accounting Standards Board (“FASB”) issued Accounting Standards Update (“ASU”) 2014-09, “Revenue from Contracts with Customers.” ASU 2014-09 was issued as the culmination of the joint project between the FASB and the International Accounting Standards Board (“IASB”) to clarify the principles for recognizing revenue and to develop a common revenue standard for GAAP and International Financial Reporting Standards. The core principle of the guidance is that an entity should recognize revenue to depict the transfer of promised goods or services to customers in an amount that reflects the consideration to which the entity expects to be entitled in exchange for those goods or services. ASU 2014-09 is effective for the fiscal year beginning after December 15, 2016, including interim periods within that reporting period. Early adoption is not permitted. An entity may choose to adopt the new standard either retrospectively or through a cumulative effect adjustment as of the start of the first period for which it applies the new standard. We are in the process of determining the effect that the adoption of ASU 2014-09 will have on our consolidated financial statements and disclosures, including our consideration of pending interpretive guidance expected as a result of feedback from the FASB and IASB Joint Transition Resource Group on implementation issues, such as gross versus net revenue. We have not yet selected our planned transition approach.

In July 2013, the FASB issued ASU 2013-11, “Presentation of an Unrecognized Tax Benefit When a Net Operating Loss Carryforward, a Similar Tax Loss, or a Tax Credit Carryforward Exists.” ASU 2013-11 clarifies guidance and eliminates diversity in practice on the presentation of unrecognized tax benefits when a net operating loss carryforward, a similar tax loss, or a tax credit carryforward exists at the reporting date. This new guidance became effective for annual reporting periods beginning after December 15, 2013 and subsequent interim periods. We applied the requirements of ASU 2013-11 prospectively beginning January 1, 2014, which resulted in a decrease to noncurrent deferred tax assets and a decrease to noncurrent reserves for uncertain tax positions of approximately $1,027,000 as of December 31, 2014. Had we applied the requirements of ASU 2013-11 retrospectively to the December 31, 2013 consolidated balance sheet, the effect would have been materially the same.

Property_and_Equipment

Property and Equipment	12 Months Ended
Property and Equipment	Dec. 31, 2014
Property, Plant and Equipment [Abstract]
Property and Equipment	-2	Property and Equipment
	Property and equipment consist of the following (in thousands):


			December 31,
			2014			2013
	Software		$	157,348		$	154,756
	Buildings			66,796			77,287
	Equipment			87,650			84,845
	Furniture and fixtures			35,278			35,369
	Leasehold improvements			21,268			23,319
	Land			5,235			7,656

				373,575			383,232
	Accumulated depreciation and amortization			(269,394	)		(250,412	)

	Property and equipment, net		$	104,181		$	132,820

	During 2014 and 2013, we periodically assessed whether any indicators of impairment existed related to our property and equipment. We incurred non-cash charges of $741,000, $606,000 and $596,000 during 2014, 2013 and 2012, respectively, to write-off certain property and equipment.
	See Note 11 for a discussion of a non-cash impairment loss recognized during 2014 on certain real estate assets held for sale.
	See Note 19 for a discussion of our sale of certain real estate to a related party during 2014. The sale resulted in a gain of $895,000, which is included in selling and administrative expenses in the accompanying statement of operations for the year ended December 31, 2014.
	Depreciation and amortization expense related to property and equipment was $29,243,000, $29,898,000 and $28,148,000 for the years ended December 31, 2014, 2013 and 2012, respectively. Interest charges capitalized in connection with internal-use software development projects in the years ended December 31, 2014, 2013 and 2012 were immaterial.

Goodwill

Goodwill	12 Months Ended
Goodwill	Dec. 31, 2014
Goodwill and Intangible Assets Disclosure [Abstract]
Goodwill	-3	Goodwill
	There were no changes in the carrying amount of goodwill during the year ended December 31, 2014. The carrying amount of goodwill as of December 31, 2014 and 2013 was as follows (in thousands):


			North America			EMEA			APAC			Consolidated
	Goodwill		$	349,679		$	151,439		$	13,973		$	515,091
	Accumulated impairment losses			(323,422	)		(151,439	)		(13,973	)		(488,834	)

			$	26,257		$	—		$	—		$	26,257

	During 2014, we periodically assessed whether any indicators of impairment existed which would require us to perform an interim impairment review. As of each interim period end during the year, we concluded that a triggering event had not occurred that would more likely than not reduce the fair value of our North America reporting unit (the only reporting unit with a goodwill balance at any period end) below its carrying value. We performed our annual test of goodwill for impairment during the fourth quarter of 2014. The results of the first step of the two-step goodwill impairment test indicated that the fair value of our North America reporting unit, estimated using the market approach, was in excess of the carrying value, and thus we did not perform step two of the impairment test.

Intangible_Assets

Intangible Assets	12 Months Ended
Intangible Assets	Dec. 31, 2014
Goodwill and Intangible Assets Disclosure [Abstract]
Intangible Assets	-4	Intangible Assets
	Intangible assets consist of the following (in thousands):


			December 31,
			2014			2013
	Customer relationships		$	109,620		$	113,897
	Other			—			298

				109,620			114,195
	Accumulated amortization			(86,053	)		(78,430	)

	Intangible assets, net		$	23,567		$	35,765

	During 2014, we periodically assessed whether any indicators of impairment existed related to our intangible assets. As of each interim period end during the year, we concluded that a triggering event had not occurred that would more likely than not reduce the fair value of our intangible assets below their carrying values.
	Amortization expense recognized for the years ended December 31, 2014, 2013 and 2012 was $11,327,000, $11,646,000 and $13,029,000, respectively. Future amortization expense for the remaining unamortized balance is estimated as follows (in thousands):


	Years Ending December 31,		Amortization Expense
	2015		$	10,977
	2016			8,276
	2017			2,286
	2018			2,028

	Total amortization expense		$	23,567

Accounts_PayableInventory_Fina

Accounts Payable-Inventory Financing Facility	12 Months Ended
	Dec. 31, 2014
Payables and Accruals [Abstract]
Accounts Payable-Inventory Financing Facility	-5	Accounts Payable—Inventory Financing Facility
	We have entered into an agreement with a financial intermediary to facilitate the purchase of inventory from various suppliers under certain terms and conditions, as described below. These amounts are classified separately as accounts payable—inventory financing facility in the accompanying consolidated balance sheets. As of December 31, 2014 and 2013, $122,781,000 and $115,252,000, respectively, was included in accounts payable-inventory financing facility related to this facility. We reclassified the prior period amount to conform to our current presentation.
	The aggregate availability for vendor purchases under our inventory financing facility is $200,000,000. The facility matures on April 26, 2017. Additionally, the facility may be renewed under certain circumstances described in the agreement for successive 12-month periods. Interest does not accrue on accounts payable under this facility provided the accounts payable are paid within stated vendor terms (ranging from 30 to 60 days). We impute interest on the average daily balance outstanding during these stated vendor terms based on our blended incremental borrowing rate during the period under our senior revolving credit facility and our accounts receivable securitization financing facility. Imputed interest of $2,386,000, $2,453,000 and $1,838,000 was recorded in 2014, 2013 and 2012, respectively. Deferred financing fees of $99,000 were capitalized in conjunction with the amendment to the inventory financing facility in 2012. Such fees are being amortized to interest expense over the term of the facility. If balances are not paid within stated vendor terms, they will accrue interest at prime plus 1.25%. The facility is guaranteed by the Company and each of its material domestic subsidiaries and is secured by a lien on substantially all of the Company’s domestic assets that is of equal priority to the liens securing borrowings under our revolving facility.

Accrued_Expenses_and_Other_Cur

Accrued Expenses and Other Current Liabilities	12 Months Ended
	Dec. 31, 2014
Payables and Accruals [Abstract]
Accrued Expenses and Other Current Liabilities	-6	Accrued Expenses and Other Current Liabilities
	Included in accrued expenses and other current liabilities as of December 31, 2014 and 2013 is an accrual for $53,666,000 and $62,800,000, respectively, of sales tax, value-added tax and other indirect taxes.

Debt_Capital_Lease_and_Other_F

Debt, Capital Lease and Other Financing Obligations	12 Months Ended
Debt, Capital Lease and Other Financing Obligations	Dec. 31, 2014
Debt Disclosure [Abstract]
Debt, Capital Lease and Other Financing Obligations	-7	Debt, Capital Lease and Other Financing Obligations
	Debt
	Our long-term debt consists of the following (in thousands):


			December 31,
			2014			2013
	Senior revolving credit facility		$	—		$	16,500
	Accounts receivable securitization financing facility			61,000			50,000
	Capital lease and other financing obligations			2,301			666

	Total			63,301			67,166
	Less: current portion of capital lease and other financing obligations			(766	)		(217	)
	Less: current portion of revolving credit facilities			—			—

	Long-term debt		$	62,535		$	66,949

	Our senior revolving credit facility (“revolving facility”) has an aggregate U.S. dollar equivalent maximum borrowing capacity amount of $350,000,000, $25,000,000 of which is available for borrowings in certain foreign currencies and in U.S. dollars. Additionally, $25,000,000 is available for the issuance of letters of credit. The revolving facility is guaranteed by the Company’s material domestic subsidiaries and is secured by a lien on substantially all of the Company’s and each guarantor’s assets. The interest rates applicable to borrowings under the revolving facility are based on the leverage ratio of the Company as set forth on a pricing grid in the amended agreement. Amounts outstanding under the revolving facility bear interest, payable quarterly, at a floating rate equal to the prime rate plus a predetermined spread of 0.00% to 0.75% or, at our option, a LIBOR rate plus a pre-determined spread of 1.25% to 2.25%. In addition, we pay a quarterly commitment fee on the unused portion of the facility of 0.25% to 0.45%, and our letter of credit participation fee ranges from 1.25% to 2.25%. During the year ended December 31, 2014 and 2013, due to availability under our other debt and financing facilities, weighted average borrowings under our revolving facility were only $6,634,000 and $17,943,000, respectively. Interest expense associated with the revolving facility was $1,571,000 and $1,738,000 in 2014 and 2013, respectively, including the commitment fee and amortization to interest expense of deferred financing fees capitalized in connection with amendments to the revolving facility. The weighted average interest rate on amounts outstanding under our revolving facility, including the commitment fee and amortization of origination costs, was 3.1% during the year ended December 31, 2012. As of December 31, 2014, $350,000,000 was available under the revolving facility. See “Debt Covenants” below. The revolving facility matures on April 26, 2017. Deferred financing fees of $2,300,000 were capitalized in conjunction with the amendment to the revolving facility in 2012. Such fees are being amortized to interest expense over the term of the facility.
	Our accounts receivable securitization financing facility (“ABS facility”) has a maximum borrowing capacity of $200,000,000. Under our ABS facility, we can sell receivables periodically to a special purpose accounts receivable and financing entity (the “SPE”), which is exclusively engaged in purchasing receivables from us. The SPE is a wholly-owned, bankruptcy-remote entity that we have included in our consolidated financial statements. The SPE funds its purchases by selling undivided interests in eligible trade accounts receivable to independent financial institution purchasers under the ABS facility (“Purchasers”), which is administered by an independent financial institution agent. The SPE’s assets are available first and foremost to satisfy the claims of the Purchasers, and we cannot convey any interest in the receivables sold to the Purchasers (or allow any adverse claims on the receivables) without the consent of the Purchasers. In addition, the SPE is required to maintain a minimum capital amount and various reserves pursuant to the terms of the ABS facility. We maintain effective control over the receivables that are sold. Accordingly, the receivables remain recorded on our consolidated balance sheets. At December 31, 2014 and 2013, the SPE owned $788,632,000 and $715,415,000, respectively, of receivables recorded at fair value and included in the accompanying consolidated balance sheets. On June 25, 2014, we entered into an amendment to the ABS facility to extend the maturity date from April 24, 2015 to June 30, 2017, to change the administrative agent and to modify fees for unused capacity under the facility. The maximum borrowing capacity of the ABS facility remained unchanged at $200,000,000. While the ABS facility has a stated maximum amount, the actual availability under the ABS facility is limited by the quantity and quality of the underlying accounts receivable. As of December 31, 2014, qualified receivables were sufficient to permit access to the full $200,000,000 facility amount, of which $61,000,000 was outstanding at December 31, 2014. See “Debt Covenants” below.
	Under our ABS facility, interest is payable monthly, and the floating interest rate applicable at December 31, 2014 was 1.07% per annum, including a 0.90% usage fee on any outstanding balances. In addition, we pay a monthly commitment fee on the unused portion of the facility of 0.40%. During the years ended December 31, 2014, 2013 and 2012, the weighted average interest rates on amounts outstanding under our ABS facility, including the usage and commitment fees and the amortization of origination costs, was 1.7%, 1.6% and 1.9%, respectively. Weighted average borrowings under our ABS facility in 2014, 2013 and 2012 were $105,992,000, $112,959,000 and $102,674,000, respectively. Deferred financing fees of $351,000 and $378,000 were capitalized in conjunction with amendments to our ABS facility in 2014 and 2012, respectively. Such fees are being amortized to interest expense over the term of the facility.
	Debt Covenants
	Our revolving facility and our ABS facility contain various covenants customary for transactions of this type, including limitations on the payment of dividends and the requirement that we comply with maximum leverage, minimum fixed charge and minimum asset coverage ratio requirements and meet monthly, quarterly and annual reporting requirements. If we fail to comply with these covenants, the lenders would be able to demand payment within a specified period of time. At December 31, 2014, we were in compliance with all such covenants. Further, the terms of the ABS facility identify various circumstances that would result in an “amortization event” under the facility. At December 31, 2014, no such “amortization event” had occurred.
	Our consolidated debt balance that can be outstanding at the end of any fiscal quarter under our revolving facility and our ABS facility is limited by certain financial covenants, particularly a maximum leverage ratio. The maximum leverage ratio is calculated as aggregate debt outstanding divided by the sum of our trailing twelve month net earnings (loss) plus (i) interest expense, excluding non-cash imputed interest on our inventory financing facility, (ii) income tax expense (benefit), (iii) depreciation and amortization and (iv) non-cash stock-based compensation (“adjusted earnings”). The maximum leverage ratio permitted under the agreements is 2.75 times trailing twelve-month adjusted earnings. A significant drop in our adjusted earnings would limit the amount of indebtedness that could be outstanding at the end of any fiscal quarter to a level that would be below our consolidated maximum facility amount. Based on our maximum leverage ratio as of December 31, 2014, our aggregate debt balance that could have been outstanding under our revolving facility and our ABS facility was reduced from the maximum borrowing capacity of $550,000,000 to $497,426,000, of which $61,000,000 was outstanding at December 31, 2014.
	Capital Lease and Other Financing Obligations
	Our obligations under capitalized leases are included in long-term debt in the accompanying consolidated balance sheets as of December 31, 2014 and 2013. The current and long-term portions of the obligations are included in the table above.
	In July 2009, we entered into a four-year lease for certain IT equipment. We amended this lease in November 2009 and again in July 2010 to include additional IT equipment. The value of the equipment held under the original capitalized lease, $3,867,000, was fully amortized prior to the equipment being returned to the lessor under the original lease terms in July 2013. In July 2013, we entered into a new capitalized lease for replacement equipment, which expires on December 31, 2016. The value of the equipment held under the new capitalized lease, $735,000, is included in property and equipment, net as of December 31, 2014 and 2013. As of December 31, 2014 and 2013, accumulated amortization on the capital lease assets was $210,000 and $105,000, respectively.
	The new capital lease was a non-cash transaction and, accordingly, has been excluded from the accompanying consolidated statement of cash flows for the year ended December 31, 2013.
	From time to time, we also enter into other financing agreements with financial intermediaries to facilitate the purchase of products from certain vendors. At December 31, 2014, amounts owed under other financing agreements of $1,852,000, which are payable in installments through August 2016, are included in our current and long-term debt balances as summarized in the table above.

Operating_Leases

Operating Leases	12 Months Ended
Operating Leases	Dec. 31, 2014
Leases [Abstract]
Operating Leases	-8	Operating Leases
	We have several non-cancelable operating leases with third parties, primarily for administrative and distribution center space and computer equipment. Our facilities leases generally provide for periodic rent increases and many contain escalation clauses and renewal options. We recognize rent expense on a straight-line basis over the lease term. Rental expense for these third-party operating leases was $15,493,000, $15,731,000 and $14,740,000 for the years ended December 31, 2014, 2013 and 2012, respectively, and is included in selling and administrative expenses in the accompanying consolidated statements of operations.

	Future minimum lease payments under non-cancelable operating leases (with initial or remaining lease terms in excess of one year) as of December 31, 2014 are as follows (in thousands):


	Years Ending December 31,
	2015		$	17,277
	2016			11,930
	2017			9,533
	2018			8,258
	2019			5,948
	Thereafter			8,551

	Total minimum lease payments		$	61,497

	Amounts in the table above exclude approximately $1.5 million per year through 2019 in non-cancellable rental income.

Severance_and_Restructuring_Ac

Severance and Restructuring Activities	12 Months Ended
Severance and Restructuring Activities	Dec. 31, 2014
Restructuring and Related Activities [Abstract]
Severance and Restructuring Activities	-9	Severance and Restructuring Activities
	During the years ended December 31, 2014, 2013 and 2012, we recorded severance expense associated with the elimination of certain positions based on a re-alignment of roles and responsibilities, a continued review of resource needs in North America and significant restructuring activities in EMEA, primarily in the United Kingdom and Germany, as we worked to rationalize our selling and administrative expenses in EMEA.
	The following table details the activity for each of the three years in the period ending December 31, 2014 related to these resource actions, and the outstanding obligations as of December 31, 2014 (in thousands):


			North America			EMEA			APAC			Consolidated
	Balances at December 31, 2011		$	659		$	1,455		$	—		$	2,114
	Severance costs, net of adjustments			2,834			3,483			—			6,317
	Foreign currency translation adjustments			—			46			—			46
	Cash payments			(2,244	)		(3,593	)		—			(5,837	)

	Balances at December 31, 2012			1,249			1,391			—			2,640
	Severance costs, net of adjustments			3,325			9,415			—			12,740
	Foreign currency translation adjustments			—			212			—			212
	Cash payments			(2,864	)		(7,771	)		—			(10,635	)

	Balances at December 31, 2013			1,710			3,247			—			4,957
	Severance costs, net of adjustments			971			3,356			106			4,433
	Foreign currency translation adjustments			(38	)		(157	)		—			(195	)
	Cash payments			(1,786	)		(3,475	)		(106	)		(5,367	)

	Balances at December 31, 2014		$	857		$	2,971		$	—		$	3,828

	Adjustments were recorded as a reduction to severance and restructuring expense in 2014, 2013 and 2012 of $1,023,000, $292,000 and $678,000, respectively, due to changes in estimates.
	The remaining outstanding obligations as of December 31, 2014 are expected to be paid during the next 12 months and are therefore included in accrued expenses and other current liabilities.

StockBased_Compensation

Stock-Based Compensation	12 Months Ended
Stock-Based Compensation	Dec. 31, 2014
Disclosure of Compensation Related Costs, Share-based Payments [Abstract]
Stock-Based Compensation	-10	Stock-Based Compensation
	We recorded the following pre-tax amounts in selling and administrative expenses for stock-based compensation, by operating segment, in the accompanying consolidated financial statements (in thousands):


			Years Ended December 31,
			2014			2013		2012
	North America		$	5,933		$	5,118	$	6,260
	EMEA			1,547			1,061		2,030
	APAC			270			251		258

	Total Consolidated		$	7,750		$	6,430	$	8,548

	Company Plan
	On October 1, 2007, Insight’s Board of Directors approved the 2007 Omnibus Plan (the “2007 Plan”), and the 2007 Plan became effective when it was approved by Insight’s stockholders at the annual meeting on November 12, 2007. On August 12, 2008, the 2007 Plan was amended to clarify certain provisions relating to forfeiture restrictions and grants of discretionary awards to non-employee directors. On May 18, 2011, Insight’s stockholders approved the Company’s Amended 2007 Omnibus Plan (the “Amended 2007 Plan”) to, among other changes, increase the number of shares of common stock authorized to be issued thereunder to a total of 7,250,000 shares. The Amended 2007 Plan is administered by the Compensation Committee of Insight’s Board of Directors, and, except as provided below, the Compensation Committee has the exclusive authority to administer the Amended 2007 Plan, including the power to determine eligibility, the types of awards to be granted, the price and the timing of awards. Under the Amended 2007 Plan, the Compensation Committee may delegate some of its authority to our Chief Executive Officer to grant awards to individuals other than individuals who are subject to the reporting requirements of Section 16(a) of the Securities Exchange Act of 1934, as amended. Teammates, officers and members of the Board of Directors are eligible for awards under the Amended 2007 Plan, and consultants and independent contractors are also eligible if they provide bona fide services that are not related to capital raising or promoting or maintaining a market for the Company’s stock. The Amended 2007 Plan allows for awards of options, stock appreciation rights, restricted stock, RSUs, performance awards as well as grants of cash awards. As of December 31, 2014, of the 7,250,000 shares of stock reserved for awards issued under the Amended 2007 Plan, 4,091,786 shares of stock were available for grant.
	Accounting for Restricted Stock Units
	We issue RSUs as incentives to certain officers and teammates and as compensation to members of our Board of Directors. We recognize compensation expense associated with the issuance of such RSUs over the vesting period for each respective RSU. The total compensation expense associated with RSUs represents the value based upon the number of RSUs awarded multiplied by the closing price of our common stock on the date of grant, adjusted for our estimate of forfeitures. The number of RSUs to be awarded under our service-based RSUs is fixed at the grant date. The number of RSUs ultimately awarded under our performance-based RSUs varies based on whether the Company achieves certain financial results. We record compensation expense each period based on our estimate of the most probable number of RSUs that will be issued under the grants of performance-based RSUs. Recipients of RSUs do not have voting or dividend rights until the vesting conditions are satisfied and shares are released.
	As of December 31, 2014, total compensation cost related to nonvested RSUs not yet recognized is $12,805,000, which is expected to be recognized over the next 1.33 years on a weighted-average basis.

	The following table summarizes our RSU activity during the year ended December 31, 2014:


			Number			Weighted Average		Fair Value
			Number			Grant Date Fair Value		Fair Value
	Nonvested at the beginning of year			811,565		$	19.91
	Granted			495,405		$	23.49
	Vested, including shares withheld to cover taxes			(351,187	)	$	19.1	$	8,371,565	(a)

	Forfeited			(66,816	)	$	20.84

	Nonvested at the end of year			888,967		$	22.06	$	23,015,356	(b)

	Expected to vest			814,070				$	21,076,272	(b)


	(a)	The fair value of vested RSUs represents the total pre-tax fair value, based on the closing stock price on the day of vesting, which would have been received by holders of RSUs had all such holders sold their underlying shares on that date. The aggregate intrinsic value for vested shares of restricted common stock and RSUs during 2013 and 2012 was $11,829,527 and $14,112,284, respectively.
	(b)	The aggregate fair value of the nonvested RSUs and the RSUs expected to vest represents the total pre-tax fair value, based on our closing stock price of $25.89 as of December 31, 2014, which would have been received by holders of RSUs had all such holders sold their underlying shares on that date.
	During each of the years in the three-year period ended December 31, 2014, the RSUs that vested for teammates in the United States were net-share settled such that we withheld shares with value equivalent to the teammates’ minimum statutory United States tax obligation for the applicable income and other employment taxes and remitted the equivalent cash amount to the appropriate taxing authorities. The total shares withheld during the years ended December 31, 2014, 2013 and 2012 of 86,732, 151,521 and 158,231, respectively, were based on the value of the RSUs on their vesting dates as determined by our closing stock price on such dates. For the years ended December 31, 2014, 2013 and 2012, total payments for the employees’ tax obligations to the taxing authorities were $2,028,000, $3,094,000 and $3,288,000, respectively, and are reflected as a financing activity within the accompanying consolidated statements of cash flows. These net-share settlements had the effect of repurchases of our common stock as they reduced the number of shares that would have otherwise been issued as a result of the vesting and did not represent an expense to us.
	Accounting for Stock Options
	No options were granted and no stock-based compensation expense related to stock options was recognized during the three years ended December 31, 2014. All previously granted unexercised stock options expired in December 2012.

Impairment_Loss_on_Assets_Held

Impairment Loss on Assets Held for Sale	12 Months Ended
	Dec. 31, 2014
Goodwill and Intangible Assets Disclosure [Abstract]
Impairment Loss on Assets Held for Sale	-11	Impairment Loss on Assets Held for Sale
	In November 2014, we relocated our sales and administrative operations that were housed in the property that we own in Bloomingdale, Illinois. The property is classified as a held for sale asset, which is included in other current assets in the accompanying consolidated balance sheet as of December 31, 2014. During 2014, our North America operating segment recorded non-cash charges of $5,178,000, consisting of an impairment loss of $4,558,000 and accelerated depreciation of $620,000, to reduce the carrying amount of the related assets to their estimated fair value less costs to sell. The estimated fair market value was derived from Level 2 fair value inputs (see Note 15 for a description of the categories of fair value inputs), which included a current market analysis indicating the price per square foot of previous sale transactions involving comparable property in the Bloomingdale area. The charges are included in selling and administrative expenses in the accompanying consolidated statement of operations for the year ended December 31, 2014.

Income_Taxes

Income Taxes	12 Months Ended
Income Taxes	Dec. 31, 2014
Income Tax Disclosure [Abstract]
Income Taxes	-12	Income Taxes
	The following table presents the U.S. and foreign components of earnings before income taxes and the related income tax expense (in thousands):
	Earnings before income taxes:


			Years Ended December 31,
			2014				2013			2012
	U.S.		$	89,679			$	95,481		$	99,970
	Foreign			34,693				19,043			44,698

			$	124,372			$	114,524		$	144,668

	Income tax expense:


			Years Ended December 31,
			2014				2013			2012
	Current:
	U.S. Federal		$	27,332			$	27,782		$	25,319
	U.S. State and local			3,242				2,662			2,436
	Foreign			14,320				9,614			15,172

				44,894				40,058			42,927

	Deferred:
	U.S. Federal			4,541				4,039			7,785
	U.S. State and local			330				921			(823	)
	Foreign			(1,077	)			(1,515	)		2,016

				3,794				3,445			8,978

			$	48,688			$	43,503		$	51,905

	The following schedule reconciles the differences between the U.S. federal income taxes at the U.S. statutory rate and our income tax expense (dollars in thousands):


			Years Ended December 31,
			2014				2013			2012
	Expected expense at U.S. statutory rate of 35%		$	43,530			$	40,083		$	50,634
	Change resulting from:
	State income tax expense, net of federal income tax benefit			3,416				3,662			2,088
	Audits and adjustments, net			(186	)			(1,730	)		2,424
	Change in valuation allowances			6,471				4,160			641
	Foreign income taxed at different rates			(5,309	)			(2,665	)		(3,823	)
	Non-deductible compensation			404				275			485
	Other, net			362				(282	)		(544	)

	Income tax expense		$	48,688			$	43,503		$	51,905

	Effective tax rate			39.1	%			38	%		35.9	%
	For foreign entities not treated as branches for U.S. tax purposes, we do not provide for U.S. income taxes on the undistributed earnings of these subsidiaries as these earnings are reinvested and, in the opinion of management, will continue to be reinvested indefinitely outside of the U.S. The undistributed earnings of foreign subsidiaries that are deemed to be indefinitely invested outside of the U.S. were approximately $79,570,000 at December 31, 2014. It is not practicable to determine the unrecognized deferred tax liability on those earnings.

	The significant components of deferred tax assets and liabilities are as follows (in thousands):


			December 31,
			2014				2013
	Deferred tax assets:
	Goodwill and other intangibles		$	53,869			$	59,828
	Net operating losses			17,439				16,489
	Foreign tax credits			13,106				12,651
	Accruals			7,311				10,243
	Accounts receivable			6,206				6,389
	Stock-based compensation			3,137				2,881
Inventories			2,216				1,837
Deferred revenue			321				567
Other			1,307				320

Gross deferred tax assets			104,912				111,205
Valuation allowances			(28,709	)			(24,508	)

Total deferred tax assets			76,203				86,697

Deferred tax liabilities:
Property and equipment			(4,933	)			(11,803	)
Prepaid expenses			(205	)			(250	)

Total deferred tax liabilities			(5,138	)			(12,053	)

Net deferred tax assets		$	71,065			$	74,644

The net current and non-current portions of deferred tax assets and liabilities are as follows (in thousands):


		December 31,
		2014				2013
Net current deferred tax assets		$	13,385			$	16,436
Net non-current deferred tax assets			57,680				58,208

Net deferred tax assets		$	71,065			$	74,644

As of December 31, 2014, we have U.S. state net operating loss carryforwards (“NOLs”) of $681,000 that will expire between 2015 and 2030. We also have NOLs from various non-U.S. jurisdictions of $63,081,000. While the majority of the non-U.S. NOLs have no expiration date, $4,345,000 will expire between 2015 and 2021.
On the basis of currently available information, we have provided valuation allowances for certain of our deferred tax assets where we believe it is more likely than not that the related tax benefits will not be realized. At December 31, 2014 and 2013, our valuation allowances totaled $28,709,000 and $24,508,000, respectively, representing certain U.S. state NOLs, non-U.S. NOLs, foreign depreciation allowances and foreign tax credits.
We believe it is more likely than not that forecasted income, including income that may be generated as a result of prudent and feasible tax planning strategies, together with the tax effects of deferred tax liabilities, will be sufficient to fully recover our remaining deferred tax assets. In the future, if we determine that realization of the remaining deferred tax assets and the availability of certain previously paid taxes to be refunded are not more likely than not, we will need to increase our valuation allowances and record additional income tax expense.
The following table summarizes the change in the valuation allowance (in thousands):


		December 31,
		2014				2013
Valuation allowances at beginning of year		$	24,508			$	20,176
Increase in income tax expense			6,471				4,160
Foreign currency translation adjustments			(2,270	)			172

Valuation allowances at end of year		$	28,709			$	24,508


A net tax benefit of $560,000, $760,000 and $1,036,000, related to stock-based compensation expense under employee stock programs was applied to stockholders’ equity during the years ended December 31, 2014, 2013 and 2012, respectively.
Various taxing jurisdictions are examining our tax returns for certain tax years. Although the outcome of tax audits cannot be predicted with certainty, management believes the ultimate resolution of these examinations will not result in a material adverse effect to our financial position, results of operations or cash flows.
As of December 31, 2014 and 2013, we had approximately $4,306,000 and $4,546,000, respectively, of unrecognized tax benefits. Of these amounts, approximately $336,000 and $364,000, respectively, related to accrued interest. A reconciliation of the beginning and ending amounts of unrecognized tax benefits, excluding interest, is as follows (in thousands):


Balance at December 31, 2013		$	4,182
Additions for tax positions in prior periods			93
Additions for tax positions in current period			497
Subtractions due to foreign currency translation			(33	)
Subtractions due to audit settlements and statute expirations			(769	)

Balance at December 31, 2014		$	3,970

In the future, if recognized, the liability associated with uncertain tax positions would affect our effective tax rate. We do not believe there will be any changes over the next 12 months that would have a material effect on our effective tax rate.
Several of our subsidiaries are currently under audit for tax years 2006 through 2013. Although the timing of the resolutions and/or closures of audits is highly uncertain, it is reasonably possible that the examination phase of these audits may be concluded within the next 12 months which could significantly increase or decrease the balance of our gross unrecognized tax benefits. However, based on the status of the various examinations in multiple jurisdictions, an estimate of the range of reasonably possible outcomes cannot be made at this time, but the estimated effect on our income tax expense and net earnings is not expected to be significant.
We, including our subsidiaries, file income tax returns in the U.S. federal jurisdiction and many state and local and non-U.S. jurisdictions. In the U.S., federal income tax returns for 2011, 2012 and 2013 remain open to examination. For U.S. state and local taxes as well as in non-U.S. jurisdictions, the statute of limitations generally varies between three and ten years.

Market_Risk_Management

Market Risk Management	12 Months Ended
Market Risk Management	Dec. 31, 2014
Text Block [Abstract]
Market Risk Management	-13	Market Risk Management
	Interest Rate Risk
	We have interest rate exposure arising from our financing facilities, which have variable interest rates. These variable interest rates are affected by changes in short-term interest rates. We currently do not hedge our interest rate exposure.
	We do not believe that the effect of reasonably possible near-term changes in interest rates will be material to our financial position, results of operations and cash flows. Our financing facilities expose our net earnings to changes in short-term interest rates since interest rates on the underlying obligations are variable. We had no amounts outstanding under our revolving facility and $61,000,000 outstanding under our ABS facility at December 31, 2014. The interest rate attributable to the borrowings under our ABS facility was 1.07% per annum at December 31, 2014. The change in annual pretax earnings from operations resulting from a hypothetical 10% increase or decrease in the highest applicable interest rate would have been immaterial.
	Foreign Currency Exchange Risk
	We have foreign currency exchange risk related to the translation of our foreign subsidiaries’ operating results, assets and liabilities (see Note 1 for a description of our Foreign Currencies policy). We also maintain cash accounts denominated in currencies other than the functional currency, which expose us to foreign exchange rate movements. Remeasurement of these cash balances results in gains/losses that are also reported as a separate component of non-operating (income) expense. We monitor our foreign currency exposure and selectively enter into forward exchange contracts to mitigate risk associated with certain non-functional currency monetary assets and liabilities related to foreign denominated payables, receivables and cash balances. Transaction gains and losses resulting from non-functional currency assets and liabilities are offset by gains and losses on forward contracts in non-operating (income) expense, net in our consolidated statements of operations. The Company does not have a significant concentration of credit risk with any single counterparty.
	The Company generally enters into forward contracts with maturities of one month or less. The derivatives entered into during 2014 were not designated as hedges. The following derivative contracts were entered into during the year ended December 31, 2014, and remained open and outstanding at December 31, 2014. All U.S. dollar and foreign currency amounts (British Pounds Sterling and Euros) are presented in thousands.


			Buy	Buy
	Foreign Currency		GBP	EUR
	Foreign Amount		6,365	8,022
	USD Equivalent		$10,000	$10,000
	Weighted Average Maturity		Less than 1 month	Less than 1 month
	The Company does not enter into derivative contracts for speculative or trading purposes. The fair value of all forward contracts at December 31, 2014 was a liability of $376,000.

Derivative_Financial_Instrumen

Derivative Financial Instruments	12 Months Ended
Derivative Financial Instruments	Dec. 31, 2014
Derivative Instruments and Hedging Activities Disclosure [Abstract]
Derivative Financial Instruments	-14	Derivative Financial Instruments
	We use derivatives to partially offset our exposure to fluctuations in certain foreign currencies. Derivatives are recorded at fair value on the balance sheet and gains or losses resulting from changes in fair value of the derivative are recorded currently in income. The Company does not designate our hedges for hedge accounting, and our foreign currency derivative instruments are not subject to any master netting arrangements with our counterparties.
	We use foreign exchange forward contracts to mitigate risk associated with certain non-functional currency assets and liabilities from changes in exchange rate movements. Our non-functional currency assets and liabilities are primarily related to foreign currency denominated payables, receivables, and cash balances. The foreign currency forward contracts, carried at fair value, typically have a maturity of one month or less. We currently enter into approximately four foreign exchange forward contracts per month with an average notional value of $8,476,000 and an average maturity of approximately ten days.
	The counterparties associated with our foreign exchange forward contracts are large creditworthy commercial banks. The derivatives transacted with these institutions are short in duration and, therefore, we do not consider counterparty concentration and non-performance to be material risks.
	The following table summarizes our derivative financial instruments as of December 31, 2014 and 2013 (in thousands):


				December 31, 2014					December 31, 2013
	Derivatives Not Designated		Balance Sheet Location	Asset		Liability			Asset		Liability
	as Hedging Instruments			Derivatives		Derivatives			Derivatives		Derivatives
				Fair Value		Fair Value			Fair Value		Fair Value
	Foreign exchange forward contracts		Other current assets	$	—	$	—		$	91	$	—
	Foreign exchange forward contracts		Accrued expenses and other current liabilities		—		376			—		—

	Total			$	—	$	376		$	91	$	—


	The following table summarizes the effect of our derivative financial instruments on our results of operations during the years ended December 31, 2014, 2013 and 2012 (in thousands):


	Derivatives Not Designated as		Location of Loss (Gain) Recognized in	Amount of Loss (Gain) Recognized
	Hedging Instruments		Earnings on Derivatives	in Earnings on Derivatives
				Year Ended December 31,
				2014		2013			2012
	Foreign exchange forward contracts		Net foreign currency exchange loss (gain)	$	205	$	(398	)	$	813

	Total			$	205	$	(398	)	$	813

Fair_Value_Measurements

Fair Value Measurements	12 Months Ended
Fair Value Measurements	Dec. 31, 2014
Fair Value Disclosures [Abstract]
Fair Value Measurements	-15	Fair Value Measurements
	The following table summarizes the valuation of our foreign exchange derivative financial instruments by the following three categories as of December 31, 2014 and 2013 (in thousands):
	Level 1: Quoted market prices in active markets for identical assets or liabilities.
	Level 2: Observable market based inputs or unobservable inputs that are corroborated by market data.
	Level 3: Unobservable inputs that are not corroborated by market data.


				December 31,
	Balance Sheet Classification		Category	2014		2013
			Level 1	$	—	$	—
	Other current assets		Level 2		—		91
			Level 3		—		—

				$	—	$	91

			Level 1	$	—	$	—
	Accrued expenses and other current liabilities		Level 2		376		—
			Level 3		—		—

				$	376	$	—

	We have elected to use the income approach to value the foreign exchange derivatives, using observable Level 2 market expectations at the measurement date and standard valuation techniques to convert future amounts to a single present value amount assuming that participants are motivated, but not compelled, to transact. Level 2 inputs for the valuations are limited to quoted prices for similar assets or liabilities in active markets and inputs other than quoted prices that are observable for the asset or liability (specifically LIBOR rates, foreign exchange rates, and foreign exchange forward points). Mid-market pricing is used as a practical expedient for fair value measurements. Fair value measurement of an asset or liability must reflect the nonperformance risk of the entity and the counterparty. Therefore, the impact of the counterparty’s creditworthiness when in an asset position and the Company’s creditworthiness when in a liability position has also been factored into the fair value measurement of the derivative instruments and did not have a material impact on the fair value of these derivative instruments. Both the counterparty and the Company are expected to continue to perform under the contractual terms of the instruments.
	As of December 31, 2014, we have no non-financial assets or liabilities that are measured and recorded at fair value on a recurring basis, and our other financial assets or liabilities generally consist of cash and cash equivalents, accounts receivable, accounts payable and accrued expenses and other current liabilities. The estimated fair values of our cash and cash equivalents approximate their carrying values and are determined based on quoted prices in active markets for identical assets (Level 1). The fair values of the other financial assets and liabilities are based on the values that would be received or paid in an orderly transaction between market participants and approximate their carrying values due to their nature and short duration.

Benefit_Plans

Benefit Plans	12 Months Ended
	Dec. 31, 2014
Compensation and Retirement Disclosure [Abstract]
Benefit Plans	-16	Benefit Plans
	We adopted a defined contribution benefit plan (the “Defined Contribution Plan”) for our U.S. teammates which complies with section 401(k) of the Internal Revenue Code. The Company provides a discretionary match to all participants who elect 401(k) contributions pursuant to the Defined Contribution Plan. The discretionary match provided to participants is equivalent to 25% of a participant’s pre-tax contributions up to a maximum of 6% of eligible compensation per pay period. Additionally, we offer several defined contribution benefit plans to our teammates outside of the United States. These plans and their related terms vary by country. Total consolidated contribution expense under these plans was $7,083,000, $6,923,000 and $6,579,000 for the years ended December 31, 2014, 2013 and 2012, respectively.

Share_Repurchase_Programs

Share Repurchase Programs	12 Months Ended
	Dec. 31, 2014
Equity [Abstract]
Share Repurchase Programs	-17	Share Repurchase Programs
	In February 2013, October 2013 and October 2014, our Board of Directors authorized share repurchase programs of $50,000,000, $50,000,000 and $25,000,000, respectively. During the year ended December 31, 2014, we purchased 2,140,225 shares of our common stock on the open market at a total cost of approximately $50,383,000 (an average price of $23.54 per share). During the year ended December 31, 2013, we purchased 3,000,038 shares of our common stock on the open market at a total cost of approximately $57,774,000 (an average price of $19.26 per share). All shares repurchased were retired. As of December 31, 2014, approximately $16,843,000 remains available for repurchases of our common stock. Subsequent to December 31, 2014, on February 11, 2015, we announced that our Board of Directors had authorized the repurchase of an additional $75,000,000 of our common stock. Any share repurchases may be made on the open market, through block trades, through 10b5-1 plans or otherwise. The amount of shares purchased and the timing of the purchases will be based on working capital requirements, general business conditions and other factors. We intend to retire the repurchased shares.

Commitments_and_Contingencies

Commitments and Contingencies	12 Months Ended
	Dec. 31, 2014
Commitments and Contingencies Disclosure [Abstract]
Commitments and Contingencies	-18	Commitments and Contingencies
	Contractual
	In the ordinary course of business, we issue performance bonds to secure our performance under certain contracts or state tax requirements. As of December 31, 2014, we had an immaterial amount of performance bonds outstanding. These bonds are issued on our behalf by a surety company on an unsecured basis; however, if the surety company is ever required to pay out under the bonds, we have contractually agreed to reimburse the surety company.
	Employment Contracts and Severance Plans
	We have employment contracts with, and plans covering, certain officers and management teammates under which severance payments would become payable in the event of specified terminations without cause or terminations under certain circumstances after a change in control. In addition, vesting of outstanding nonvested RSUs would accelerate following a change in control. If severance payments under the current employment agreements or plan payments were to become payable, the severance payments would generally range from three to twenty-four months of salary.
	Indemnifications
	From time to time, in the ordinary course of business, we enter into contractual arrangements under which we agree to indemnify either our clients or third-party service providers from certain losses incurred relating to services performed on our behalf or for losses arising from defined events, which may include litigation or claims relating to past performance. These arrangements include, but are not limited to, the indemnification of our clients for certain claims arising out of our performance under our sales contracts, the indemnification of our landlords for certain claims arising from our use of leased facilities and the indemnification of the lenders that provide our credit facilities for certain claims arising from their extension of credit to us. Such indemnification obligations may not be subject to maximum loss clauses.
	Management believes that payments, if any, related to these indemnifications are not probable at December 31, 2014. Accordingly, we have not accrued any liabilities related to such indemnifications in the accompanying consolidated financial statements.
	We have entered into separate indemnification agreements with our executive officers and with each of our directors. These agreements require us, among other requirements, to indemnify such officers and directors against expenses (including attorneys’ fees), judgments and settlements paid by such individual in connection with any action arising out of such individual’s status or service as our executive officer or director (subject to exceptions such as where the individual failed to act in good faith or in a manner the individual reasonably believed to be in, or not opposed to, the best interests of the Company) and to advance expenses incurred by such individual with respect to which such individual may be entitled to indemnification by us. There are no pending legal proceedings that involve the indemnification of any of the Company’s directors or officers.

	Contingencies Related to Third-Party Review
	From time to time, we are subject to potential claims and assessments from third parties. We are also subject to various governmental, client and vendor audits. We continually assess whether or not such claims have merit and warrant accrual. Where appropriate, we accrue estimates of anticipated liabilities in our consolidated financial statements. Such estimates are subject to change and may affect our results of operations and our cash flows.
	Legal Proceedings
	We are party to various legal proceedings arising in the ordinary course of business, including preference payment claims asserted in client bankruptcy proceedings, indemnification claims, claims of alleged infringement of patents, trademarks, copyrights and other intellectual property rights, claims of alleged non-compliance with contract provisions and claims related to alleged violations of laws and regulations. Many of these proceeding are at preliminary stages, and many of these proceedings seek an indeterminate amount of damages. We regularly evaluate the status of the legal proceedings in which we are involved to assess whether a loss is probable or there is a reasonable possibility that a loss, or an additional loss, may have been incurred and determine if accruals are appropriate. If accruals are not appropriate, we further evaluate each legal proceeding to assess whether an estimate of possible loss or range of possible loss can be made for disclosure. Although litigation is inherently unpredictable, we believe that we have adequate provisions for any probable and estimable losses. It is possible, nevertheless, that our consolidated financial position, results of operations or liquidity could be materially and adversely affected in any particular period by the resolution of a legal proceeding. Legal expenses related to defense, negotiations, settlements, rulings and advice of outside legal counsel are expensed as incurred.
	In August 2010, in connection with an investigation being conducted by the United States Department of Justice, our subsidiary, Calence, LLC (“Calence”), received a subpoena from the Office of the Inspector General of the Federal Communications Commission requesting documents and information related to the expenditure of funds under the E-Rate program, which provides schools and libraries with discounts to obtain affordable telecommunications and internet access and related hardware and software. The basis of the investigation was a qui tam lawsuit filed in the United States District Court for the Southern District of Texas by a contractor who provided services to the former owners of Calence. The lawsuit, designated United States ex rel. Shupe v. Cisco Systems, Inc., Avnet, Inc. and Calence, LLC, alleged violations of the False Claims Act and sought various remedies including treble damages and civil penalties. An appeal from a District Court order denying motions to dismiss was filed with the Fifth Circuit, and in July 2014 the Fifth Circuit reversed the District Court’s decision and remanded the case to the District Court for further proceedings consistent with its decision regarding E-Rate claims under the False Claims Act. In August 2014, the District Court dismissed the case in its entirety. During the years ended December 31, 2014 and 2012, pursuant to the Company’s rights under the Calence acquisition agreements to indemnification for losses that arose out of or resulted from this matter, we recovered approximately $390,000 and $2,000,000, respectively, of legal costs incurred in previous periods. No amounts were recovered during the year ended December 31, 2013.
	The Company is not involved in any pending or threatened legal proceedings that it believes could reasonably be expected to have a material adverse effect on its financial condition, results of operations or liquidity.

Related_Party_Transaction

Related Party Transaction	12 Months Ended
	Dec. 31, 2014
Related Party Transactions [Abstract]
Related Party Transaction	-19	Related Party Transaction
	In December 2014, we sold a Company-owned 21,375 square feet facility (and its furnishings) that previously served as executive offices and administration space in Tempe, Arizona to a trust. Timothy A. Crown, the Chair of our Board of Directors, serves as trustee of that trust. Previous to the sale, for approximately twelve months, the facility had been leased to another entity in which Mr. Crown has an interest. Annual rent was not material and was based on a review by our outside real estate brokerage adviser of comparable rentals in the relevant market area.
	The facility was sold for $2,500,000, the full appraisal value based on two property valuations provided by independent real estate brokers. The Audit Committee approved the sale of the facility, as required under the Company’s Code of Ethics and Business Practices and other applicable policies, practices and requirements. The Company was not required to pay a commission. Proceeds from the sale of $2,472,000, net of related closing costs and fees, were collected in December 2014, and no amounts related to this transaction remain outstanding as of December 31, 2014. The Company recognized a gain of $895,000 on the sale of the facility.

Supplemental_Financial_Informa

Supplemental Financial Information	12 Months Ended
Supplemental Financial Information	Dec. 31, 2014
Receivables [Abstract]
Supplemental Financial Information	-20	Supplemental Financial Information
	A summary of additions and deductions related to the allowance for doubtful accounts receivable for the years ended December 31, 2014, 2013 and 2012 follows (in thousands):


			Balance at		Additions		Deductions			Balance at
			Beginning							End of Year
			of Year
	Allowance for doubtful accounts receivable:
	Year ended December 31, 2014		$	19,908	$	4,409	$	(4,981	)	$	19,336

	Year ended December 31, 2013		$	18,905	$	4,696	$	(3,693	)	$	19,908

	Year ended December 31, 2012		$	18,803	$	4,195	$	(4,093	)	$	18,905

Cash_Flows

Cash Flows	12 Months Ended
Cash Flows	Dec. 31, 2014
Supplemental Cash Flow Elements [Abstract]
Cash Flows	-21	Cash Flows
	Cash payments for interest on indebtedness and cash payments for taxes on income were as follows (in thousands):


			Years Ended December 31,
			2014		2013		2012
	Supplemental disclosures of cash flow information:
	Cash paid during the year for interest		$	2,439	$	2,700	$	3,265

	Cash paid during the year for income taxes, net of refunds		$	51,715	$	37,872	$	43,936

	Non-cash investing activities for the year ended December 31, 2014 included $1,668,000 of capital expenditures in accounts payable, representing additions purchased at period end but not yet paid for in cash. Non-cash capital expenditures in accounts payable for the years ended December 31, 2013 and 2012 were immaterial.

Segment_and_Geographic_Informa

Segment and Geographic Information	12 Months Ended
Segment and Geographic Information	Dec. 31, 2014
Segment Reporting [Abstract]
Segment and Geographic Information	-22	Segment and Geographic Information
	We operate in three reportable geographic operating segments: North America; EMEA; and APAC. Our offerings in North America and select countries in EMEA include IT hardware, software and services. Our offerings in the remainder of our EMEA segment and in APAC are mostly software and select software-related services. Net sales by product or service type for North America, EMEA and APAC were as follows for the years ended December 31, 2014, 2013 and 2012 (in thousands):


			North America
			Years Ended December 31,
	Sales Mix		2014			2013			2012
	Hardware		$	2,175,397		$	2,130,006		$	2,238,363
	Software			1,174,234			1,129,114			1,177,538
	Services			213,095			211,640			210,456

			$	3,562,726		$	3,470,760		$	3,626,357


			EMEA
			Years Ended December 31,
	Sales Mix		2014			2013			2012
	Hardware		$	572,494		$	504,006		$	540,886
	Software			930,763			930,903			894,949
	Services			36,711			34,265			27,772

			$	1,539,968		$	1,469,174		$	1,463,607


			APAC
			Years Ended December 31,
	Sales Mix		2014			2013			2012
	Hardware		$	12,463		$	6,222		$	4,820
	Software			193,533			191,355			199,239
	Services			7,539			6,836			7,418

			$	213,535		$	204,413		$	211,477

	The method for determining what information regarding operating segments, products and services, geographic areas of operation and major clients to report is based upon the “management approach,” or the way that management organizes the operating segments within a company, for which separate financial information is evaluated regularly by the Chief Operating Decision Maker (“CODM”) in deciding how to allocate resources. Our CODM is our Chief Executive Officer.
	All significant intercompany transactions are eliminated upon consolidation, and there are no differences between the accounting policies used to measure profit and loss for our segments or on a consolidated basis. Net sales are defined as net sales to external clients. None of our clients exceeded ten percent of consolidated net sales for the year ended December 31, 2014.
	A portion of our operating segments’ selling and administrative expenses arise from shared services and infrastructure that we have historically provided to them in order to realize economies of scale and to use resources efficiently. These expenses, collectively identified as corporate charges, include senior management expenses, internal audit, legal, tax, insurance services, treasury and other corporate infrastructure expenses. Charges are allocated to our operating segments, and the allocations have been determined on a basis that we considered to be a reasonable reflection of the utilization of services provided to or benefits received by the operating segments.

	The tables below present information about our reportable operating segments as of and for the years ended December 31, 2014, 2013 and 2012 (in thousands):


			Year Ended December 31, 2014
			North			EMEA			APAC			Consolidated
			America			EMEA			APAC			Consolidated
	Net sales		$	3,562,726		$	1,539,968		$	213,535		$	5,316,229
	Costs of goods sold			3,085,279			1,340,052			178,495			4,603,826

	Gross profit			477,447			199,916			35,040			712,403
	Operating expenses:
	Selling and administrative expenses			372,936			178,816			25,215			576,967
	Severance and restructuring expenses			971			3,356			106			4,433

	Earnings from operations		$	103,540		$	17,744		$	9,719		$	131,003

	Total assets		$	1,840,242		$	575,847		$	117,447		$	2,533,536	*


			Year Ended December 31, 2013
			North			EMEA			APAC			Consolidated
			America			EMEA			APAC			Consolidated
	Net sales		$	3,470,760		$	1,469,174		$	204,413		$	5,144,347
	Costs of goods sold			2,998,573			1,277,850			169,037			4,445,460

	Gross profit			472,187			191,324			35,376			698,887
	Operating expenses:
Selling and administrative expenses			362,380			178,012			24,518			564,910
Severance and restructuring expenses			3,325			9,415			—			12,740

Earnings from operations		$	106,482		$	3,897		$	10,858		$	121,237

Total assets		$	1,645,393		$	577,448		$	125,322		$	2,348,163	*


		Year Ended December 31, 2012
		North			EMEA			APAC			Consolidated
		America			EMEA			APAC			Consolidated
Net sales		$	3,626,357		$	1,463,607		$	211,477		$	5,301,441
Costs of goods sold			3,147,835			1,259,762			174,168			4,581,765

Gross profit			478,522			203,845			37,309			719,676
Operating expenses:
Selling and administrative expenses			359,634			179,979			25,593			565,206
Severance and restructuring expenses			2,834			3,483			—			6,317

Earnings from operations		$	116,054		$	20,383		$	11,716		$	148,153

Total assets		$	1,749,890		$	538,968		$	130,673		$	2,419,531	*


*	Consolidated total assets do not reflect intercompany eliminations and corporate assets of $585,413,000, $480,445,000 and $418,028,000 at December 31, 2014, 2013 and 2012, respectively.

The following is a summary of our geographic net sales and long-lived assets, consisting of property and equipment, net (in thousands):


		United States			Foreign			Total
2014
Net sales		$	3,368,798		$	1,947,431		$	5,316,229
Total long-lived assets		$	70,439		$	33,742		$	104,181

2013
Net sales		$	3,281,403		$	1,862,944		$	5,144,347
Total long-lived assets		$	91,768		$	41,052		$	132,820

2012
Net sales		$	3,398,516		$	1,902,925		$	5,301,441
Total long-lived assets		$	104,431		$	39,082		$	143,513
Foreign net sales and total long-lived assets summarized above for 2014, 2013 and 2012 include net sales and net property and equipment of $746,123,000 and $19,522,000; $656,559,000 and $23,687,000; and $686,047,000 and $23,616,000, respectively, attributed to the United Kingdom. Net sales by geographic area are presented by attributing net sales to external customers based on the domicile of the selling location.
We recorded the following pre-tax amounts, by operating segment, for depreciation and amortization, in the accompanying consolidated financial statements (in thousands):


		Years Ended December 31,
		2014			2013			2012
North America		$	31,365		$	31,815		$	32,457
EMEA			8,325			8,608			7,803
APAC			880			1,121			917

Total		$	40,570		$	41,544		$	41,177

Selected_Quarterly_Financial_I

Selected Quarterly Financial Information	12 Months Ended
Selected Quarterly Financial Information	Dec. 31, 2014
Quarterly Financial Information Disclosure [Abstract]
Selected Quarterly Financial Information	-23	Selected Quarterly Financial Information (unaudited)
	The following table sets forth selected unaudited consolidated quarterly financial information for the years ended December 31, 2014 and 2013 (in thousands, except per share data):


			Quarters Ended
			Dec. 31,			Sept. 30,			June 30,			Mar. 31,			Dec. 31,			Sept. 30,			June 30,			Mar. 31,
			2014			2014			2014			2014			2013			2013			2013			2013
	Net sales		$	1,446,134		$	1,237,668		$	1,417,897		$	1,214,530		$	1,395,158		$	1,151,020		$	1,416,547		$	1,181,622
	Costs of goods sold			1,263,895			1,065,848			1,223,298			1,050,785			1,214,003			982,352			1,225,620			1,023,485

	Gross profit			182,239			171,820			194,599			163,745			181,155			168,668			190,927			158,137
	Operating expenses:
	Selling and administrative expenses			143,594			143,134			147,810			142,429			140,799			139,965			143,158			140,988
	Severance and restructuring expenses			3,478			308			310			337			4,413			2,424			3,171			2,732

	Earnings from operations			35,167			28,378			46,479			20,979			35,943			26,279			44,598			14,417
	Non-operating (income) expense:
	Interest income			(251	)		(229	)		(333	)		(249	)		(259	)		(322	)		(337	)		(312	)
	Interest expense			1,466			1,594			1,501			1,458			1,560			1,603			1,556			1,618
	Net foreign currency exchange (gain) loss			(868	)		238			461			496			445			474			(886	)		161
	Other expense, net			286			369			443			249			332			364			342			374

	Earnings before income taxes			34,534			26,406			44,407			19,025			33,865			24,160			43,923			12,576
	Income tax expense			15,051			9,004			17,158			7,475			13,458			9,135			17,410			3,500

	Net earnings		$	19,483		$	17,402		$	27,249		$	11,550		$	20,407		$	15,025		$	26,513		$	9,076

	Net earnings per share:
	Basic		$	0.48		$	0.42		$	0.67		$	0.28		$	0.48		$	0.35		$	0.62		$	0.2

	Diluted		$	0.48		$	0.42		$	0.66		$	0.28		$	0.48		$	0.35		$	0.62		$	0.2

Operations_and_Summary_of_Sign1

Operations and Summary of Significant Accounting Policies (Policies)

12 Months Ended

Dec. 31, 2014

Accounting Policies [Abstract]

Description of Business

Operating Segment

Geography

North America

United States and Canada

EMEA

Europe, Middle East and Africa

APAC

Asia-Pacific

Acquisitions

Principles of Consolidation and Presentation

Use of Estimates

Cash and Cash Equivalents

We consider all highly liquid investments with maturities at the date of purchase of three months or less to be cash equivalents.

Allowance for Doubtful Accounts

Inventories

Property and Equipment

Estimated Economic Life

Leasehold improvements

Shorter of underlying lease

term or asset life

Furniture and fixtures

2 – 7 years

Equipment

3 – 5 years

Software

3 – 10 years

Buildings

29 years

Goodwill

Intangible Assets

We amortize intangible assets acquired in business combinations using the straight-line method over the following estimated economic lives of the intangible assets from the date of acquisition:

Estimated Economic Life

Customer relationships

2 – 11 years

Other

9 months – 3 years

Trade Credits

Self Insurance

Treasury Stock

Sales Recognition

We recognize revenue for professional services engagements that are on a time and materials basis based upon hours incurred as the services are performed and amounts are earned.

Costs of Goods Sold

Selling and Administrative Expenses

Partner Funding

Concentrations of Risk

Credit Risk

Supplier Risk

Advertising Costs

Stock-Based Compensation

Foreign Currencies

Derivative Financial Instruments

Income Taxes

Net Earnings Per Share ("EPS")

Net Earnings Per Share (“EPS”)

Years Ended December 31,

2014

2013

2012

Numerator:

Net earnings

75,684

71,021

92,763

Denominator:

Weighted-average shares used to compute basic EPS

41,062

43,012

44,413

Potential dilutive common shares due to dilutive stock

296

277

421

options and restricted stock units

Weighted-average shares used to compute diluted EPS

41,358

43,289

44,834

Net earnings per share:

Basic

1.84

1.65

2.09

Diluted

1.83

1.64

2.07

Recently Issued Accounting Standards

Operations_and_Summary_of_Sign2

Operations and Summary of Significant Accounting Policies (Tables)	12 Months Ended
	Dec. 31, 2014
Accounting Policies [Abstract]
Estimated Economic Lives of Property and Equipment	We record property and equipment at cost. We capitalize major improvements and betterments, while maintenance, repairs and minor replacements are expensed as incurred. Depreciation or amortization is provided using the straight-line method over the following estimated economic lives of the assets:


		Estimated Economic Life
	Leasehold improvements	Shorter of underlying lease
	Leasehold improvements	term or asset life
	Furniture and fixtures	2 – 7 years
	Equipment	3 – 5 years
	Software	3 – 10 years
	Buildings	29 years
Estimated Economic Life of Acquired Amortizable Intangible Assets	We amortize intangible assets acquired in business combinations using the straight-line method over the following estimated economic lives of the intangible assets from the date of acquisition:


		Estimated Economic Life
	Customer relationships	2 – 11 years
	Other	9 months – 3 years
Reconciliation of Denominators of Basic and Diluted EPS Calculations	A reconciliation of the denominators of the basic and diluted EPS calculations follows (in thousands, except per share data):



		Years Ended December 31,
		2014		2013		2012
	Numerator:
	Net earnings	$	75,684	$	71,021	$	92,763

	Denominator:
	Weighted-average shares used to compute basic EPS		41,062		43,012		44,413
	Potential dilutive common shares due to dilutive stock		296		277		421
	options and restricted stock units		296		277		421

	Weighted-average shares used to compute diluted EPS		41,358		43,289		44,834

	Net earnings per share:
	Basic	$	1.84	$	1.65	$	2.09

	Diluted	$	1.83	$	1.64	$	2.07

Property_and_Equipment_Tables

Property and Equipment (Tables)	12 Months Ended
Property and Equipment (Tables)	Dec. 31, 2014
Property, Plant and Equipment [Abstract]
Property and Equipment	Property and equipment consist of the following (in thousands):


		December 31,
		2014			2013
	Software	$	157,348		$	154,756
	Buildings		66,796			77,287
	Equipment		87,650			84,845
	Furniture and fixtures		35,278			35,369
	Leasehold improvements		21,268			23,319
	Land		5,235			7,656

			373,575			383,232
	Accumulated depreciation and amortization		(269,394	)		(250,412	)

	Property and equipment, net	$	104,181		$	132,820

Goodwill_Tables

Goodwill (Tables)	12 Months Ended
Goodwill (Tables)	Dec. 31, 2014
Goodwill and Intangible Assets Disclosure [Abstract]
Changes in Carrying Amount of Goodwill	There were no changes in the carrying amount of goodwill during the year ended December 31, 2014. The carrying amount of goodwill as of December 31, 2014 and 2013 was as follows (in thousands):


		North America			EMEA			APAC			Consolidated

	Goodwill	$	349,679		$	151,439		$	13,973		$	515,091
	Accumulated impairment losses		(323,422	)		(151,439	)		(13,973	)		(488,834	)

		$	26,257		$	—		$	—		$	26,257

Intangible_Assets_Tables

Intangible Assets (Tables)	12 Months Ended
Intangible Assets (Tables)	Dec. 31, 2014
Goodwill and Intangible Assets Disclosure [Abstract]
Summary of Intangible Assets, Net	Intangible assets consist of the following (in thousands):


		December 31,
		2014			2013
	Customer relationships	$	109,620		$	113,897
	Other		—			298

			109,620			114,195
	Accumulated amortization		(86,053	)		(78,430	)

	Intangible assets, net	$	23,567		$	35,765

Future Amortization Expenses	Future amortization expense for the remaining unamortized balance is estimated as follows (in thousands):


	Years Ending December 31,	Amortization Expense
	2015	$	10,977
	2016		8,276
	2017		2,286
	2018		2,028

	Total amortization expense	$	23,567

Debt_Capital_Lease_and_Other_F1

Debt, Capital Lease and Other Financing Obligations (Tables)	12 Months Ended
	Dec. 31, 2014
Debt Disclosure [Abstract]
Long-Term Debt	Our long-term debt consists of the following (in thousands):


		December 31,
		2014			2013
	Senior revolving credit facility	$	—		$	16,500
	Accounts receivable securitization financing facility		61,000			50,000
	Capital lease and other financing obligations		2,301			666

	Total		63,301			67,166
	Less: current portion of capital lease and other financing obligations		(766	)		(217	)
	Less: current portion of revolving credit facilities		—			—

	Long-term debt	$	62,535		$	66,949

Operating_Leases_Tables

Operating Leases (Tables)	12 Months Ended
Operating Leases (Tables)	Dec. 31, 2014
Leases [Abstract]
Future Minimum Lease Payments	Future minimum lease payments under non-cancelable operating leases (with initial or remaining lease terms in excess of one year) as of December 31, 2014 are as follows (in thousands):


	Years Ending December 31,
	2015	$	17,277
	2016		11,930
	2017		9,533
	2018		8,258
	2019		5,948
	Thereafter		8,551

	Total minimum lease payments	$	61,497

Severance_and_Restructuring_Ac1

Severance and Restructuring Activities (Tables)	12 Months Ended
Severance and Restructuring Activities (Tables)	Dec. 31, 2014
Restructuring and Related Activities [Abstract]
Activity Related to Resource Actions and Outstanding Obligation	The following table details the activity for each of the three years in the period ending December 31, 2014 related to these resource actions, and the outstanding obligations as of December 31, 2014 (in thousands):


		North America			EMEA			APAC			Consolidated
	Balances at December 31, 2011	$	659		$	1,455		$	—		$	2,114
	Severance costs, net of adjustments		2,834			3,483			—			6,317
	Foreign currency translation adjustments		—			46			—			46
	Cash payments		(2,244	)		(3,593	)		—			(5,837	)

	Balances at December 31, 2012		1,249			1,391			—			2,640
	Severance costs, net of adjustments		3,325			9,415			—			12,740
	Foreign currency translation adjustments		—			212			—			212
	Cash payments		(2,864	)		(7,771	)		—			(10,635	)

	Balances at December 31, 2013		1,710			3,247			—			4,957
	Severance costs, net of adjustments		971			3,356			106			4,433
	Foreign currency translation adjustments		(38	)		(157	)		—			(195	)
	Cash payments		(1,786	)		(3,475	)		(106	)		(5,367	)

	Balances at December 31, 2014	$	857		$	2,971		$	—		$	3,828

StockBased_Compensation_Tables

Stock-Based Compensation (Tables)	12 Months Ended
Stock-Based Compensation (Tables)	Dec. 31, 2014
Disclosure of Compensation Related Costs, Share-based Payments [Abstract]
Pre-tax Amounts by Operating Segment for Stock-Based Compensation	We recorded the following pre-tax amounts in selling and administrative expenses for stock-based compensation, by operating segment, in the accompanying consolidated financial statements (in thousands):


			Years Ended December 31,
			2014			2013		2012
	North America		$	5,933		$	5,118	$	6,260
	EMEA			1,547			1,061		2,030
	APAC			270			251		258

	Total Consolidated		$	7,750		$	6,430	$	8,548

Summary of Restricted Stock Units	The following table summarizes our RSU activity during the year ended December 31, 2014:


			Number			Weighted Average		Fair Value
			Number			Grant Date Fair Value		Fair Value
	Nonvested at the beginning of year			811,565		$	19.91
	Granted			495,405		$	23.49
	Vested, including shares withheld to cover taxes			(351,187	)	$	19.1	$	8,371,565	(a)

	Forfeited			(66,816	)	$	20.84

	Nonvested at the end of year			888,967		$	22.06	$	23,015,356	(b)

	Expected to vest			814,070				$	21,076,272	(b)


	(a)	The fair value of vested RSUs represents the total pre-tax fair value, based on the closing stock price on the day of vesting, which would have been received by holders of RSUs had all such holders sold their underlying shares on that date. The aggregate intrinsic value for vested shares of restricted common stock and RSUs during 2013 and 2012 was $11,829,527 and $14,112,284, respectively.
	(b)	The aggregate fair value of the nonvested RSUs and the RSUs expected to vest represents the total pre-tax fair value, based on our closing stock price of $25.89 as of December 31, 2014, which would have been received by holders of RSUs had all such holders sold their underlying shares on that date.

Income_Taxes_Tables

Income Taxes (Tables)	12 Months Ended
Income Taxes (Tables)	Dec. 31, 2014
Income Tax Disclosure [Abstract]
Earnings Before Income Taxes	Earnings before income taxes:


		Years Ended December 31,
		2014			2013			2012
	U.S.	$	89,679		$	95,481		$	99,970
	Foreign		34,693			19,043			44,698

		$	124,372		$	114,524		$	144,668

Income Tax Expense	Income tax expense:


		Years Ended December 31,
		2014			2013			2012
	Current:
	U.S. Federal	$	27,332		$	27,782		$	25,319
	U.S. State and local		3,242			2,662			2,436
	Foreign		14,320			9,614			15,172

			44,894			40,058			42,927

	Deferred:
	U.S. Federal		4,541			4,039			7,785
	U.S. State and local		330			921			(823	)
	Foreign		(1,077	)		(1,515	)		2,016

			3,794			3,445			8,978

		$	48,688		$	43,503		$	51,905

Schedule Reconciles Difference Between U.S. Federal Income Taxes at U.S. Statutory Rate and Our Income Tax Expense	The following schedule reconciles the differences between the U.S. federal income taxes at the U.S. statutory rate and our income tax expense (dollars in thousands):


		Years Ended December 31,
		2014			2013			2012
	Expected expense at U.S. statutory rate of 35%	$	43,530		$	40,083		$	50,634
	Change resulting from:
	State income tax expense, net of federal income tax benefit		3,416			3,662			2,088
	Audits and adjustments, net		(186	)		(1,730	)		2,424
	Change in valuation allowances		6,471			4,160			641
	Foreign income taxed at different rates		(5,309	)		(2,665	)		(3,823	)
	Non-deductible compensation		404			275			485
	Other, net		362			(282	)		(544	)

	Income tax expense	$	48,688		$	43,503		$	51,905

	Effective tax rate		39.1	%		38	%		35.9	%
Significant Components of Deferred Tax Assets and Liabilities	The significant components of deferred tax assets and liabilities are as follows (in thousands):


		December 31,
		2014			2013
	Deferred tax assets:
	Goodwill and other intangibles	$	53,869		$	59,828
	Net operating losses		17,439			16,489
	Foreign tax credits		13,106			12,651
	Accruals		7,311			10,243
	Accounts receivable		6,206			6,389
	Stock-based compensation		3,137			2,881
	Inventories		2,216			1,837
	Deferred revenue		321			567
	Other		1,307			320

	Gross deferred tax assets		104,912			111,205
	Valuation allowances		(28,709	)		(24,508	)

	Total deferred tax assets		76,203			86,697

	Deferred tax liabilities:
	Property and equipment		(4,933	)		(11,803	)
	Prepaid expenses		(205	)		(250	)

	Total deferred tax liabilities		(5,138	)		(12,053	)

	Net deferred tax assets	$	71,065		$	74,644

Net Current and Non-Current Portions of Deferred Tax Assets and Liabilities	The net current and non-current portions of deferred tax assets and liabilities are as follows (in thousands):


		December 31,
		2014			2013
	Net current deferred tax assets	$	13,385		$	16,436
	Net non-current deferred tax assets		57,680			58,208

	Net deferred tax assets	$	71,065		$	74,644

Change in Valuation Allowance	The following table summarizes the change in the valuation allowance (in thousands):


		December 31,
		2014			2013
	Valuation allowances at beginning of year	$	24,508		$	20,176
	Increase in income tax expense		6,471			4,160
	Foreign currency translation adjustments		(2,270	)		172

	Valuation allowances at end of year	$	28,709		$	24,508

Reconciliation of Unrecognized Tax Benefits	A reconciliation of the beginning and ending amounts of unrecognized tax benefits, excluding interest, is as follows (in thousands):


	Balance at December 31, 2013	$	4,182
	Additions for tax positions in prior periods		93
	Additions for tax positions in current period		497
	Subtractions due to foreign currency translation		(33	)
	Subtractions due to audit settlements and statute expirations		(769	)

	Balance at December 31, 2014	$	3,970

Market_Risk_Management_Tables

Market Risk Management (Tables)	12 Months Ended
Market Risk Management (Tables)	Dec. 31, 2014
Text Block [Abstract]
Foreign Currency Amounts	The following derivative contracts were entered into during the year ended December 31, 2014, and remained open and outstanding at December 31, 2014. All U.S. dollar and foreign currency amounts (British Pounds Sterling and Euros) are presented in thousands.


		Buy	Buy
	Foreign Currency	GBP	EUR
	Foreign Amount	6,365	8,022
	USD Equivalent	$10,000	$10,000
	Weighted Average Maturity	Less than 1 month	Less than 1 month

Derivative_Financial_Instrumen1

Derivative Financial Instruments (Tables)	12 Months Ended
Derivative Financial Instruments (Tables)	Dec. 31, 2014
Derivative Instruments and Hedging Activities Disclosure [Abstract]
Summary of Derivative Financial Instruments	The following table summarizes our derivative financial instruments as of December 31, 2014 and 2013 (in thousands):


			December 31, 2014					December 31, 2013
	Derivatives Not Designated as Hedging	Balance Sheet Location	Asset		Liability			Asset		Liability
	Instruments		Derivatives		Derivatives			Derivatives		Derivatives
			Fair Value		Fair Value			Fair Value		Fair Value
	Foreign exchange forward contracts	Other current assets	$	—	$	—		$	91	$	—
	Foreign exchange forward contracts	Accrued expenses and other current liabilities		—		376			—		—

	Total		$	—	$	376		$	91	$	—

Summary of Effect of Derivative Financial Instruments on Our Results of Operations	The following table summarizes the effect of our derivative financial instruments on our results of operations during the years ended December 31, 2014, 2013 and 2012 (in thousands):


	Derivatives Not Designated as Hedging Instruments	Location of Loss (Gain) Recognized in	Amount of Loss (Gain) Recognized
	Derivatives Not Designated as Hedging Instruments	Earnings on Derivatives	in Earnings on Derivatives
			Year Ended December 31,
			2014		2013			2012
	Foreign exchange forward contracts	Net foreign currency exchange loss (gain)	$	205	$	(398	)	$	813

	Total		$	205	$	(398	)	$	813

Fair_Value_Measurements_Tables

Fair Value Measurements (Tables)	12 Months Ended
Fair Value Measurements (Tables)	Dec. 31, 2014
Fair Value Disclosures [Abstract]
Summary of Valuation of Financial Instruments	The following table summarizes the valuation of our foreign exchange derivative financial instruments by the following three categories as of December 31, 2014 and 2013 (in thousands):
	Level 1: Quoted market prices in active markets for identical assets or liabilities.
	Level 2: Observable market based inputs or unobservable inputs that are corroborated by market data.
	Level 3: Unobservable inputs that are not corroborated by market data.


			December 31,
	Balance Sheet Classification	Category	2014		2013
		Level 1	$	—	$	—
	Other current assets	Level 2		—		91
		Level 3		—		—

			$	—	$	91

		Level 1	$	—	$	—
	Accrued expenses and other current liabilities	Level 2		376		—
		Level 3		—		—

			$	376	$	—

Supplemental_Financial_Informa1

Supplemental Financial Information (Tables)	12 Months Ended
Supplemental Financial Information (Tables)	Dec. 31, 2014
Receivables [Abstract]
Summary of Additions and Deductions Related to Allowances for Doubtful Accounts	A summary of additions and deductions related to the allowance for doubtful accounts receivable for the years ended December 31, 2014, 2013 and 2012 follows (in thousands):


		Balance at		Additions		Deductions			Balance at
		Beginning							End of Year
		of Year
	Allowance for doubtful accounts receivable:
	Year ended December 31, 2014	$	19,908	$	4,409	$	(4,981	)	$	19,336

	Year ended December 31, 2013	$	18,905	$	4,696	$	(3,693	)	$	19,908

	Year ended December 31, 2012	$	18,803	$	4,195	$	(4,093	)	$	18,905

Cash_Flows_Tables

Cash Flows (Tables)	12 Months Ended
Cash Flows (Tables)	Dec. 31, 2014
Supplemental Cash Flow Elements [Abstract]
Schedule of Cash Payments for Interest on Indebtedness and Cash Payments for Taxes on Income	Cash payments for interest on indebtedness and cash payments for taxes on income were as follows (in thousands):


		Years Ended December 31,
		2014		2013		2012
	Supplemental disclosures of cash flow information:
	Cash paid during the year for interest	$	2,439	$	2,700	$	3,265

	Cash paid during the year for income taxes, net of refunds	$	51,715	$	37,872	$	43,936

Segment_and_Geographic_Informa1

Segment and Geographic Information (Tables)	12 Months Ended
Segment and Geographic Information (Tables)	Dec. 31, 2014
Segment Reporting [Abstract]
Net Sales by Product or Service Type for North America, EMEA and APAC	Net sales by product or service type for North America, EMEA and APAC were as follows for the years ended December 31, 2014, 2013 and 2012 (in thousands):


			North America
			Years Ended December 31,
	Sales Mix		2014		2013		2012
	Hardware		$	2,175,397	$	2,130,006	$	2,238,363
	Software			1,174,234		1,129,114		1,177,538
	Services			213,095		211,640		210,456

			$	3,562,726	$	3,470,760	$	3,626,357


			EMEA
			Years Ended December 31,
	Sales Mix		2014		2013		2012
	Hardware		$	572,494	$	504,006	$	540,886
	Software			930,763		930,903		894,949
	Services			36,711		34,265		27,772

			$	1,539,968	$	1,469,174	$	1,463,607


			APAC
			Years Ended December 31,
	Sales Mix		2014		2013		2012
	Hardware		$	12,463	$	6,222	$	4,820
	Software			193,533		191,355		199,239
	Services			7,539		6,836		7,418

			$	213,535	$	204,413	$	211,477

Financial Information about Reportable Operating Segments	The tables below present information about our reportable operating segments as of and for the years ended December 31, 2014, 2013 and 2012 (in thousands):


			Year Ended December 31, 2014
			North		EMEA		APAC		Consolidated
			America		EMEA		APAC		Consolidated
	Net sales		$	3,562,726	$	1,539,968	$	213,535	$	5,316,229
	Costs of goods sold			3,085,279		1,340,052		178,495		4,603,826

	Gross profit			477,447		199,916		35,040		712,403
	Operating expenses:
	Selling and administrative expenses			372,936		178,816		25,215		576,967
	Severance and restructuring expenses			971		3,356		106		4,433

	Earnings from operations		$	103,540	$	17,744	$	9,719	$	131,003

	Total assets		$	1,840,242	$	575,847	$	117,447	$	2,533,536	*


			Year Ended December 31, 2013
			North		EMEA		APAC		Consolidated
			America		EMEA		APAC		Consolidated
	Net sales		$	3,470,760	$	1,469,174	$	204,413	$	5,144,347
	Costs of goods sold			2,998,573		1,277,850		169,037		4,445,460

	Gross profit			472,187		191,324		35,376		698,887
	Operating expenses:
	Selling and administrative expenses			362,380		178,012		24,518		564,910
	Severance and restructuring expenses			3,325		9,415		—		12,740

	Earnings from operations		$	106,482	$	3,897	$	10,858	$	121,237

	Total assets		$	1,645,393	$	577,448	$	125,322	$	2,348,163	*


			Year Ended December 31, 2012
			North		EMEA		APAC		Consolidated
			America		EMEA		APAC		Consolidated
	Net sales		$	3,626,357	$	1,463,607	$	211,477	$	5,301,441
	Costs of goods sold			3,147,835		1,259,762		174,168		4,581,765

	Gross profit			478,522		203,845		37,309		719,676
	Operating expenses:
	Selling and administrative expenses			359,634		179,979		25,593		565,206
	Severance and restructuring expenses			2,834		3,483		—		6,317

	Earnings from operations		$	116,054	$	20,383	$	11,716	$	148,153

	Total assets		$	1,749,890	$	538,968	$	130,673	$	2,419,531	*


	*	Consolidated total assets do not reflect intercompany eliminations and corporate assets of $585,413,000, $480,445,000 and $418,028,000 at December 31, 2014, 2013 and 2012, respectively.
Summary of Geographic Net Sales and Long-Lived Assets	The following is a summary of our geographic net sales and long-lived assets, consisting of property and equipment, net (in thousands):


			United States		Foreign		Total
	2014
	Net sales		$	3,368,798	$	1,947,431	$	5,316,229
	Total long-lived assets		$	70,439	$	33,742	$	104,181

	2013
	Net sales		$	3,281,403	$	1,862,944	$	5,144,347
	Total long-lived assets		$	91,768	$	41,052	$	132,820

	2012
	Net sales		$	3,398,516	$	1,902,925	$	5,301,441
	Total long-lived assets		$	104,431	$	39,082	$	143,513
Pre-Tax Depreciation and Amortization for Operating Segment	We recorded the following pre-tax amounts, by operating segment, for depreciation and amortization, in the accompanying consolidated financial statements (in thousands):


			Years Ended December 31,
			2014		2013		2012
	North America		$	31,365	$	31,815	$	32,457
	EMEA			8,325		8,608		7,803
	APAC			880		1,121		917

	Total		$	40,570	$	41,544	$	41,177

Selected_Quarterly_Financial_I1

Selected Quarterly Financial Information (Tables)	12 Months Ended
Selected Quarterly Financial Information (Tables)	Dec. 31, 2014
Quarterly Financial Information Disclosure [Abstract]
Consolidated Quarterly Financial Information	The following table sets forth selected unaudited consolidated quarterly financial information for the years ended December 31, 2014 and 2013 (in thousands, except per share data):


		Quarters Ended
		Dec. 31,			Sept. 30,			June 30,			Mar. 31,			Dec. 31,			Sept. 30,			June 30,			Mar. 31,
		2014			2014			2014			2014			2013			2013			2013			2013
	Net sales	$	1,446,134		$	1,237,668		$	1,417,897		$	1,214,530		$	1,395,158		$	1,151,020		$	1,416,547		$	1,181,622
	Costs of goods sold		1,263,895			1,065,848			1,223,298			1,050,785			1,214,003			982,352			1,225,620			1,023,485

	Gross profit		182,239			171,820			194,599			163,745			181,155			168,668			190,927			158,137
	Operating expenses:
	Selling and administrative expenses		143,594			143,134			147,810			142,429			140,799			139,965			143,158			140,988
	Severance and restructuring expenses		3,478			308			310			337			4,413			2,424			3,171			2,732

	Earnings from operations		35,167			28,378			46,479			20,979			35,943			26,279			44,598			14,417
	Non-operating (income) expense:
	Interest income		(251	)		(229	)		(333	)		(249	)		(259	)		(322	)		(337	)		(312	)
	Interest expense		1,466			1,594			1,501			1,458			1,560			1,603			1,556			1,618
	Net foreign currency exchange (gain) loss		(868	)		238			461			496			445			474			(886	)		161
	Other expense, net		286			369			443			249			332			364			342			374

	Earnings before income taxes		34,534			26,406			44,407			19,025			33,865			24,160			43,923			12,576
	Income tax expense		15,051			9,004			17,158			7,475			13,458			9,135			17,410			3,500

	Net earnings	$	19,483		$	17,402		$	27,249		$	11,550		$	20,407		$	15,025		$	26,513		$	9,076

	Net earnings per share:
	Basic	$	0.48		$	0.42		$	0.67		$	0.28		$	0.48		$	0.35		$	0.62		$	0.2

	Diluted	$	0.48		$	0.42		$	0.66		$	0.28		$	0.48		$	0.35		$	0.62		$	0.2

Operations_and_Summary_of_Sign3

Operations and Summary of Significant Accounting Policies - Additional Information (Detail) (USD $)	12 Months Ended			0 Months Ended
	Dec. 31, 2014	Dec. 31, 2013	Dec. 31, 2012	Feb. 01, 2012
	Segment	Dec. 31, 2013	Dec. 31, 2012	Feb. 01, 2012
Organization Consolidation And Presentation Of Financial Statements [Line Items]
Number of operating segments	3
Acquisition, net of cash acquired			$3,831,000
Gain on bargain purchase			2,022,000
Return policy for unopened and opened product	We make provisions for estimated product returns that we expect to occur under our return policy based upon historical return rates. Our manufacturers warrant most of the products we market, and it is our policy to request that clients return their defective products directly to the manufacturer for warranty service during the manufacturerbs warranty period. On selected products, and for selected client service reasons, we may accept returns directly from the client and then either credit the client or ship a replacement product. We generally offer a limited 15- to 30-day return policy for unopened products and certain opened products, which are consistent with manufacturersb terms; however, for some products we may charge restocking fees. Products returned opened are processed and returned to the manufacturer or partner for repair, replacement or credit to us. Subject to some manufacturersb restrictions, certain products cannot be returned to the manufacturer for warranty processing. We resell most unopened products returned to us. If we accept a return from ta client that we cannot return to the partner, we try to mitigate our losses by selling to inventory liquidators, to end users as bpreviously soldb or busedb products, or through other channels.
Partner funding recorded as reduction of selling and administrative expenses	40,106,000	34,900,000	30,714,000
Percentage of consolidated net sales attributable to significant client	No single client accounted for more than 2%
Percent of sales not exceeded by any single client	2.00%
Percentage of purchase from significant supplier	10.00%
Percentage of purchases from top 5 Partners	63.00%
Advertising expense	31,214,000	29,394,000	27,632,000
Quantitative effect of adoption of ASU 2013-11	1,027,000
Microsoft [Member]
Organization Consolidation And Presentation Of Financial Statements [Line Items]
Percentage of purchase from supplier	25.00%
Ingram Micro [Member]
Organization Consolidation And Presentation Of Financial Statements [Line Items]
Percentage of purchase from supplier	11.00%
Restricted Stock Units (RSUs) [Member]
Organization Consolidation And Presentation Of Financial Statements [Line Items]
Weighted-average outstanding stock options and restricted stock units excluded in the diluted EPS calculations	20,000	177,000	295,000
Inmac [Member]
Organization Consolidation And Presentation Of Financial Statements [Line Items]
Acquisition, net of cash acquired				3,831,000
Gain on bargain purchase			$2,022,000

Operations_and_Summary_of_Sign4

Operations and Summary of Significant Accounting Policies - Estimated Economic Lives of Property and Equipment (Detail)	12 Months Ended
	Dec. 31, 2014
Property, Plant and Equipment [Line Items]
Leasehold improvements	Shorter of underlying lease term of asset life
Buildings [Member]
Property, Plant and Equipment [Line Items]
Useful Life	29 years
Minimum [Member] \| Furniture and fixtures [Member]
Property, Plant and Equipment [Line Items]
Useful Life	2 years
Minimum [Member] \| Equipment [Member]
Property, Plant and Equipment [Line Items]
Useful Life	3 years
Minimum [Member] \| Software [Member]
Property, Plant and Equipment [Line Items]
Useful Life	3 years
Maximum [Member] \| Furniture and fixtures [Member]
Property, Plant and Equipment [Line Items]
Useful Life	7 years
Maximum [Member] \| Equipment [Member]
Property, Plant and Equipment [Line Items]
Useful Life	5 years
Maximum [Member] \| Software [Member]
Property, Plant and Equipment [Line Items]
Useful Life	10 years

Operations_and_Summary_of_Sign5

Operations and Summary of Significant Accounting Policies - Estimated Economic Life of Acquired Amortizable Intangible Assets (Detail)	12 Months Ended
	Dec. 31, 2014
Minimum [Member] \| Customer Relationships [Member]
Acquired Finite-Lived Intangible Assets [Line Items]
Useful Life	2 years
Minimum [Member] \| Other [Member]
Acquired Finite-Lived Intangible Assets [Line Items]
Useful Life	9 months
Maximum [Member] \| Customer Relationships [Member]
Acquired Finite-Lived Intangible Assets [Line Items]
Useful Life	11 years
Maximum [Member] \| Other [Member]
Acquired Finite-Lived Intangible Assets [Line Items]
Useful Life	3 years

Operations_and_Summary_of_Sign6

Operations and Summary of Significant Accounting Policies - Reconciliation of Denominators of Basic and Diluted EPS Calculations (Detail) (USD $)	3 Months Ended								12 Months Ended
In Thousands, except Per Share data, unless otherwise specified	Dec. 31, 2014	Sep. 30, 2014	Jun. 30, 2014	Mar. 31, 2014	Dec. 31, 2013	Sep. 30, 2013	Jun. 30, 2013	Mar. 31, 2013	Dec. 31, 2014	Dec. 31, 2013	Dec. 31, 2012
Numerator:
Net earnings	$19,483	$17,402	$27,249	$11,550	$20,407	$15,025	$26,513	$9,076	$75,684	$71,021	$92,763
Denominator:
Weighted-average shares used to compute basic EPS									41,062	43,012	44,413
Potential dilutive common shares due to dilutive stock options and restricted stock units									296	277	421
Weighted-average shares used to compute diluted EPS									41,358	43,289	44,834
Net earnings per share:
Basic	$0.48	$0.42	$0.67	$0.28	$0.48	$0.35	$0.62	$0.20	$1.84	$1.65	$2.09
Diluted	$0.48	$0.42	$0.66	$0.28	$0.48	$0.35	$0.62	$0.20	$1.83	$1.64	$2.07

Property_and_Equipment_Propert

Property and Equipment - Property and Equipment (Detail) (USD $)	Dec. 31, 2014	Dec. 31, 2013	Dec. 31, 2012
Property, Plant and Equipment [Line Items]
Property and equipment, gross	$373,575,000	$383,232,000
Accumulated depreciation and amortization	-269,394,000	-250,412,000
Property and equipment, net	104,181,000	132,820,000	143,513,000
Software [Member]
Property, Plant and Equipment [Line Items]
Property and equipment, gross	157,348,000	154,756,000
Buildings [Member]
Property, Plant and Equipment [Line Items]
Property and equipment, gross	66,796,000	77,287,000
Equipment [Member]
Property, Plant and Equipment [Line Items]
Property and equipment, gross	87,650,000	84,845,000
Furniture and fixtures [Member]
Property, Plant and Equipment [Line Items]
Property and equipment, gross	35,278,000	35,369,000
Leasehold improvements [Member]
Property, Plant and Equipment [Line Items]
Property and equipment, gross	21,268,000	23,319,000
Land [Member]
Property, Plant and Equipment [Line Items]
Property and equipment, gross	$5,235,000	$7,656,000

Property_and_Equipment_Additio

Property and Equipment - Additional Information (Detail) (USD $)	12 Months Ended
	Dec. 31, 2014	Dec. 31, 2013	Dec. 31, 2012
Property, Plant and Equipment [Abstract]
Non- cash charges to write-off certain property and equipment, primarily computer software development costs	$741,000	$606,000	$596,000
Gain on sale of real estate	895,000
Depreciation and amortization expense	$29,243,000	$29,898,000	$28,148,000

Goodwill_Changes_in_Carrying_A

Goodwill - Changes in Carrying Amount of Goodwill (Detail) (USD $)	Dec. 31, 2014	Dec. 31, 2013
In Thousands, unless otherwise specified	Dec. 31, 2014	Dec. 31, 2013
Goodwill [Line Items]
Goodwill	$515,091	$515,091
Accumulated impairment losses	-488,834	-488,834
Goodwill, Total	26,257	26,257
North America Segment [Member]
Goodwill [Line Items]
Goodwill	349,679	349,679
Accumulated impairment losses	-323,422	-323,422
Goodwill, Total	26,257	26,257
EMEA Segment [Member]
Goodwill [Line Items]
Goodwill	151,439	151,439
Accumulated impairment losses	-151,439	-151,439
Goodwill, Total	0	0
APAC Segment [Member]
Goodwill [Line Items]
Goodwill	13,973	13,973
Accumulated impairment losses	-13,973	-13,973
Goodwill, Total	$0	$0

Intangible_Assets_Summary_of_I

Intangible Assets - Summary of Intangible Assets, Net (Detail) (USD $)	Dec. 31, 2014	Dec. 31, 2013
In Thousands, unless otherwise specified	Dec. 31, 2014	Dec. 31, 2013
Finite-Lived Intangible Assets [Line Items]
Intangible assets, Gross	$109,620	$114,195
Accumulated amortization	-86,053	-78,430
Intangible assets, net	23,567	35,765
Customer Relationships [Member]
Finite-Lived Intangible Assets [Line Items]
Intangible assets, Gross	109,620	113,897
Other [Member]
Finite-Lived Intangible Assets [Line Items]
Intangible assets, Gross		$298

Intangible_Assets_Additional_I

Intangible Assets - Additional Information (Detail) (USD $)	12 Months Ended
Intangible Assets - Additional Information (Detail) (USD $)	Dec. 31, 2014	Dec. 31, 2013	Dec. 31, 2012
Goodwill and Intangible Assets Disclosure [Abstract]
Amortization expense	$11,327,000	$11,646,000	$13,029,000

Intangible_Assets_Future_Amort

Intangible Assets - Future Amortization Expenses (Detail) (USD $)	Dec. 31, 2014	Dec. 31, 2013
In Thousands, unless otherwise specified	Dec. 31, 2014	Dec. 31, 2013
Goodwill and Intangible Assets Disclosure [Abstract]
2015	$10,977
2016	8,276
2017	2,286
2018	2,028
Intangible assets, net	$23,567	$35,765

Accounts_PayableInventory_Fina1

Accounts Payable-Inventory Financing Facility - Additional Information (Detail) (USD $)	12 Months Ended
	Dec. 31, 2014	Dec. 31, 2013	Dec. 31, 2012
Payables and Accruals [Abstract]
Accounts payable-inventory financing facility	$122,781,000	$115,252,000
Inventory financing facility maximum borrowing capacity	200,000,000
Inventory financing facility maturity date	26-Apr-17
Low end for range of stated vendor terms	30 days
High end for range of stated vendor terms	60 days
Imputed interest on inventory financing facility	2,386,000	2,453,000	1,838,000
Inventory financing facility deferred financing fees			$99,000
Inventory financing facility interest rate if balances are not paid within stated vendor terms	Prime plus 1.25%
Inventory financing facility rate if vendor terms not met equal prime plus	1.25%

Accrued_Expenses_and_Other_Cur1

Accrued Expenses and Other Current Liabilities - Additional Information (Detail) (USD $)	Dec. 31, 2014	Dec. 31, 2013
Payables and Accruals [Abstract]
Accrual of sales tax, value-added tax and other indirect taxes	$53,666,000	$62,800,000

Debt_Capital_Lease_and_Other_F2

Debt, Capital Lease and Other Financing Obligations - Long-Term Debt (Detail) (USD $)	Dec. 31, 2014	Dec. 31, 2013
In Thousands, unless otherwise specified	Dec. 31, 2014	Dec. 31, 2013
Debt Disclosure [Abstract]
Senior revolving credit facility		$16,500
Accounts receivable securitization financing facility	61,000	50,000
Capital lease and other financing obligations	2,301	666
Total	63,301	67,166
Total	63,301	67,166
Less: current portion of capital lease and other financing obligations	-766	-217
Less: current portion of revolving credit facilities	0	0
Long-term debt	$62,535	$66,949

Debt_Capital_Lease_and_Other_F3

Debt, Capital Lease and Other Financing Obligations - Additional Information (Detail) (USD $)	12 Months Ended
	Dec. 31, 2014	Dec. 31, 2013	Dec. 31, 2012
Debt Instrument [Line Items]
Accounts receivable securitization financing facility	$61,000,000	$50,000,000
Covenants compliance	At December 31, 2014, we were in compliance with all such covenants.
Maximum leverage ratio time adjusted earnings	2.75
Maximum combined borrowing capacity under senior revolving credit facility and ABS facility, accessible	497,426,000
Maximum combined borrowing capacity under senior revolving credit facility and ABS facility	550,000,000
Outstanding borrowing capacity	61,000,000
Property and equipment, net	104,181,000	132,820,000	143,513,000
Amount owed under other financing agreement	1,852,000
Senior Revolving Credit Facility [Member]
Debt Instrument [Line Items]
Maximum borrowing capacity	350,000,000
Line of credit facility amount available for borrowings in foreign currencies and U.S. dollars	25,000,000
Amount available for issuance of letter of credit	25,000,000
Line of credit facility interest rate description	Prime rate plus a predetermined spread of 0.00% to 0.75%
LIBOR, Interest rate description	LIBOR rate plus a pre-determined spread of 1.25% to 2.25%
Debt Instrument, Description of variable rate basis	LIBOR
Weighted average amount outstanding borrowings	6,634,000	17,943,000
Commitment fee and origination costs			3.10%
Interest expense	1,571,000	1,738,000
Remaining borrowing capacity available under senior revolving credit facility	350,000,000
Maturity date	26-Apr-17
Deferred financing fees			2,300,000
Senior Revolving Credit Facility [Member] \| Minimum [Member]
Debt Instrument [Line Items]
Prime rate plus pre-determined spread	0.00%
LIBOR rate plus pre-determined spread	1.25%
Commitment on the unused portion of the facility	0.25%
Participation fee on letter of credit	1.25%
Senior Revolving Credit Facility [Member] \| Maximum [Member]
Debt Instrument [Line Items]
Prime rate plus pre-determined spread	0.75%
LIBOR rate plus pre-determined spread	2.25%
Commitment on the unused portion of the facility	0.45%
Participation fee on letter of credit	2.25%
ABS Facility [Member]
Debt Instrument [Line Items]
Maximum borrowing capacity	200,000,000
Weighted average amount outstanding borrowings	105,992,000	112,959,000	102,674,000
Maturity date	30-Jun-17
Deferred financing fees	351,000		378,000
Receivables at fair value	788,632,000	715,415,000
Amount of facility permitted by qualified receivables	200,000,000
Accounts receivable securitization financing facility	61,000,000
Prime rate	1.07%
Applicable interest rate	0.90%
Monthly commitment fee on unused portion of ABS facility	0.40%
Weighted average interest rate	1.70%	1.60%	1.90%
Capital Lease Obligation [Member]
Debt Instrument [Line Items]
Property and equipment, net	735,000
Accumulated depreciation on the capital lease	210,000	105,000
Capital Lease Obligation [Member] \| Equipment [Member]
Debt Instrument [Line Items]
Increase in value of equipment held under the capitalized lease		$3,867,000

Operating_Leases_Additional_In

Operating Leases - Additional Information (Detail) (USD $)	12 Months Ended
Operating Leases - Additional Information (Detail) (USD $)	Dec. 31, 2014	Dec. 31, 2013	Dec. 31, 2012
Leases [Abstract]
Operating leases rental expense	$15,493,000	$15,731,000	$14,740,000
Non-cancellable rental income	$1,500,000

Operating_Leases_Future_Minimu

Operating Leases - Future Minimum Lease Payment (Detail) (USD $)	Dec. 31, 2014
In Thousands, unless otherwise specified	Dec. 31, 2014
Leases [Abstract]
2015	$17,277
2016	11,930
2017	9,533
2018	8,258
2019	5,948
Thereafter	8,551
Total minimum lease payments	$61,497

Severance_and_Restructuring_Ac2

Severance and Restructuring Activities - Activity Related to Resource Actions and Outstanding Obligation (Detail) (USD $)	12 Months Ended
In Thousands, unless otherwise specified	Dec. 31, 2014	Dec. 31, 2013	Dec. 31, 2012
Restructuring Cost and Reserve [Line Items]
Beginning Balance	$4,957	$2,640	$2,114
Severance costs, net of adjustments	4,433	12,740	6,317
Foreign currency translation adjustments	-195	212	46
Cash payments	-5,367	-10,635	-5,837
Ending balance	3,828	4,957	2,640
North America Segment [Member]
Restructuring Cost and Reserve [Line Items]
Beginning Balance	1,710	1,249	659
Severance costs, net of adjustments	971	3,325	2,834
Foreign currency translation adjustments	-38
Cash payments	-1,786	-2,864	-2,244
Ending balance	857	1,710	1,249
EMEA Segment [Member]
Restructuring Cost and Reserve [Line Items]
Beginning Balance	3,247	1,391	1,455
Severance costs, net of adjustments	3,356	9,415	3,483
Foreign currency translation adjustments	-157	212	46
Cash payments	-3,475	-7,771	-3,593
Ending balance	2,971	3,247	1,391
APAC Segment [Member]
Restructuring Cost and Reserve [Line Items]
Severance costs, net of adjustments	106
Cash payments	($106)

Severance_and_Restructuring_Ac3

Severance and Restructuring Activities - Additional Information (Detail) (USD $)	12 Months Ended
	Dec. 31, 2014	Dec. 31, 2013	Dec. 31, 2012
Restructuring and Related Activities [Abstract]
Reduction to severance and restructuring expenses	$1,023,000	$292,000	$678,000

StockBased_Compensation_Pretax

Stock-Based Compensation - Pre-tax Amounts by Operating Segment for Stock-Based Compensation (Detail) (USD $)	12 Months Ended
	Dec. 31, 2014	Dec. 31, 2013	Dec. 31, 2012
Employee Service Share-based Compensation, Allocation of Recognized Period Costs [Line Items]
Stock-based compensation expense related to restricted stock units (RSUs)	$7,750,000	$6,430,000	$8,548,000
North America Segment [Member]
Employee Service Share-based Compensation, Allocation of Recognized Period Costs [Line Items]
Stock-based compensation expense related to restricted stock units (RSUs)	5,933,000	5,118,000	6,260,000
EMEA Segment [Member]
Employee Service Share-based Compensation, Allocation of Recognized Period Costs [Line Items]
Stock-based compensation expense related to restricted stock units (RSUs)	1,547,000	1,061,000	2,030,000
APAC Segment [Member]
Employee Service Share-based Compensation, Allocation of Recognized Period Costs [Line Items]
Stock-based compensation expense related to restricted stock units (RSUs)	$270,000	$251,000	$258,000

StockBased_Compensation_Additi

Stock-Based Compensation - Additional Information (Detail) (USD $)	12 Months Ended			36 Months Ended
	Dec. 31, 2014	Dec. 31, 2013	Dec. 31, 2012	Dec. 31, 2014	18-May-11
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]
Description of share based compensation under Amended 2007 Omnibus Plan	On May 18, 2011, Insight's stockholders approved the Company's Amended 2007 Omnibus Plan ("the Amended 2007 Plan") to, among other changes, increase the number of shares of common stock authorized to be issued thereunder to a total of 7,250,000 shares.
Payments for employees' tax obligations to taxing authorities	$2,028,000	$3,094,000	$3,288,000
Options granted				0
Stock-based compensation expense	7,750,000	6,430,000	8,548,000
Stock Options [Member]
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]
Stock-based compensation expense				0
Amended 2007 Plan [Member]
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]
Maximum number of authorized shares under the Amended 2007 Omnibus Plan	7,250,000			7,250,000	7,250,000
Number of shares of stock available for grant	4,091,786			4,091,786
Restricted Stock Units (RSUs) [Member]
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]
Total compensation cost related to RSU's not yet recognized	12,805,000			12,805,000
Weighted average number of years for recognition of outstanding nonvested RSUs	1 year 3 months 29 days
Shares withheld to cover taxes	86,732	151,521	158,231
Payments for employees' tax obligations to taxing authorities	$2,028,000	$3,094,000	$3,288,000

StockBased_Compensation_Summar

Stock-Based Compensation - Summary of Restricted Stock Units (Detail) (Restricted Stock Units (RSUs) [Member], USD $)	12 Months Ended
	Dec. 31, 2014	Dec. 31, 2013	Dec. 31, 2012
Restricted Stock Units (RSUs) [Member]
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]
Nonvested Number, Beginning balance	811,565
Number, Granted	495,405
Number, Vested, including shares withheld to cover taxes	-351,187
Number, Forfeited	-66,816
Nonvested Number, Ending balance	888,967	811,565
Number, Expected to vest	814,070
Nonvested Weighted Average Grant Date Fair Value, Beginning balance	$19.91
Weighted Average Grant Date Fair Value, Granted	$23.49
Weighted Average Grant Date Fair Value, Vested, including shares withheld to cover taxes	$19.10
Weighted Average Grant Date Fair Value, Forfeited	$20.84
Nonvested Weighted Average Grant Date Fair Value, Ending balance	$22.06	$19.91
Fair Value, Vested, including shares withheld to cover taxes	$8,371,565	$11,829,527	$14,112,284
Fair Value, Nonvested at the end of year	23,015,356
Fair Value, Expected to vest	$21,076,272

StockBased_Compensation_Summar1

Stock-Based Compensation - Summary of Restricted Stock Units (Parenthetical) (Detail) (USD $)	12 Months Ended
	Dec. 31, 2014	Dec. 31, 2013	Dec. 31, 2012
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]
Closing stock price	$25.89
Restricted Stock Units (RSUs) [Member]
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]
Aggregate intrinsic value for vested shares of restricted common stock and RSUs	$8,371,565	$11,829,527	$14,112,284

Impairment_Loss_on_Assets_Held1

Impairment Loss on Assets Held for Sale - Additional Information (Detail) (North America Segment [Member], USD $)	12 Months Ended
	Dec. 31, 2014
North America Segment [Member]
Impairment of Long Lived Assets Held for Sale [Line Items]
Non-cash charges impairment charges	$5,178,000
Impairment loss	4,558,000
Accelerated depreciation	$620,000

Income_Taxes_Earnings_Before_I

Income Taxes - Earnings Before Income Taxes (Detail) (USD $)	3 Months Ended								12 Months Ended
In Thousands, unless otherwise specified	Dec. 31, 2014	Sep. 30, 2014	Jun. 30, 2014	Mar. 31, 2014	Dec. 31, 2013	Sep. 30, 2013	Jun. 30, 2013	Mar. 31, 2013	Dec. 31, 2014	Dec. 31, 2013	Dec. 31, 2012
Income Tax Disclosure [Abstract]
U.S.									$89,679	$95,481	$99,970
Foreign									34,693	19,043	44,698
Earnings before income taxes	$34,534	$26,406	$44,407	$19,025	$33,865	$24,160	$43,923	$12,576	$124,372	$114,524	$144,668

Income_Taxes_Income_Tax_Expens

Income Taxes - Income Tax Expense (Detail) (USD $)	3 Months Ended								12 Months Ended
In Thousands, unless otherwise specified	Dec. 31, 2014	Sep. 30, 2014	Jun. 30, 2014	Mar. 31, 2014	Dec. 31, 2013	Sep. 30, 2013	Jun. 30, 2013	Mar. 31, 2013	Dec. 31, 2014	Dec. 31, 2013	Dec. 31, 2012
Current:
U.S. Federal									$27,332	$27,782	$25,319
U.S. State and local									3,242	2,662	2,436
Foreign									14,320	9,614	15,172
Total current income tax expense									44,894	40,058	42,927
Deferred:
U.S. Federal									4,541	4,039	7,785
U.S. State and local									330	921	-823
Foreign									-1,077	-1,515	2,016
Total deferred income tax expense									3,794	3,445	8,978
Income tax expense	$15,051	$9,004	$17,158	$7,475	$13,458	$9,135	$17,410	$3,500	$48,688	$43,503	$51,905

Income_Taxes_Schedule_Reconcil

Income Taxes - Schedule Reconciles Difference between U.S. Federal Income Taxes at U.S. Statutory Rate and Our Income Tax Expense (Detail) (USD $)	3 Months Ended								12 Months Ended
In Thousands, unless otherwise specified	Dec. 31, 2014	Sep. 30, 2014	Jun. 30, 2014	Mar. 31, 2014	Dec. 31, 2013	Sep. 30, 2013	Jun. 30, 2013	Mar. 31, 2013	Dec. 31, 2014	Dec. 31, 2013	Dec. 31, 2012
Income Tax Disclosure [Abstract]
Expected expense at U.S. statutory rate of 35%									$43,530	$40,083	$50,634
Change resulting from:
State income tax expense, net of federal income tax benefit									3,416	3,662	2,088
Audits and adjustments, net									-186	-1,730	2,424
Change in valuation allowances									6,471	4,160	641
Foreign income taxed at different rates									-5,309	-2,665	-3,823
Non-deductible compensation									404	275	485
Other, net									362	-282	-544
Income tax expense	$15,051	$9,004	$17,158	$7,475	$13,458	$9,135	$17,410	$3,500	$48,688	$43,503	$51,905
Effective tax rate									39.10%	38.00%	35.90%

Income_Taxes_Schedule_Reconcil1

Income Taxes - Schedule Reconciles Difference between U.S. Federal Income Taxes at U.S. Statutory Rate and Our Income Tax Expense (Parenthetical) (Detail)	12 Months Ended
	Dec. 31, 2014	Dec. 31, 2013	Dec. 31, 2012
Income Tax Disclosure [Abstract]
Expected income tax expense in percentage	35.00%	35.00%	35.00%

Income_Taxes_Additional_Inform

Income Taxes - Additional Information (Detail) (USD $)	12 Months Ended
Income Taxes - Additional Information (Detail) (USD $)	Dec. 31, 2014	Dec. 31, 2013	Dec. 31, 2012
Income Tax [Line Items]
Undistributed earnings of foreign subsidiaries	$79,570,000
U.S. state net operating loss carryforwards	681,000
NOLs from non-U.S. jurisdictions	63,081,000
NOLs fully expire between 2015 and 2021	4,345,000
Valuation allowances	28,709,000	24,508,000	20,176,000
Net tax benefit shortfall related to the employee stock options and other employee stock programs	560,000	760,000	1,036,000
Unrecognized tax benefits	4,306,000	4,546,000
Unrecognized tax benefits, interest on income taxes accrued	$336,000	$364,000
Subsidiaries under audit for tax years	2006 through 2013
Period during which examination phase of tax audits may conclude	Next 12 months
Period during which federal income tax returns remain open to examination	2011, 2012 and 2013
Statute of limitations for tax examination, Minimum	3 years
Statute of limitations for tax examination, Maximum	10 years
State and Local Jurisdictions [Member]
Income Tax [Line Items]
Operating loss carryforwards expiration date, start	2015
Operating loss carryforwards expiration date, end	2030
Foreign [Member]
Income Tax [Line Items]
Operating loss carryforwards expiration date, start	2015
Operating loss carryforwards expiration date, end	2021

Income_Taxes_Significant_Compo

Income Taxes - Significant Components of Deferred Tax Assets and Liabilities (Detail) (USD $)	Dec. 31, 2014	Dec. 31, 2013	Dec. 31, 2012
In Thousands, unless otherwise specified	Dec. 31, 2014	Dec. 31, 2013	Dec. 31, 2012
Deferred tax assets:
Goodwill and other intangibles	$53,869	$59,828
Net operating losses	17,439	16,489
Foreign tax credits	13,106	12,651
Accruals	7,311	10,243
Accounts receivable	6,206	6,389
Stock-based compensation	3,137	2,881
Inventories	2,216	1,837
Deferred revenue	321	567
Other	1,307	320
Gross deferred tax assets	104,912	111,205
Valuation allowances	-28,709	-24,508	-20,176
Total deferred tax assets	76,203	86,697
Deferred tax liabilities:
Property and equipment	-4,933	-11,803
Prepaid expenses	-205	-250
Total deferred tax liabilities	-5,138	-12,053
Net deferred tax assets	$71,065	$74,644

Income_Taxes_Net_Current_and_N

Income Taxes - Net Current and Non-Current Portions of Deferred Tax Assets and Liabilities (Detail) (USD $)	Dec. 31, 2014	Dec. 31, 2013
In Thousands, unless otherwise specified	Dec. 31, 2014	Dec. 31, 2013
Income Tax Disclosure [Abstract]
Net current deferred tax assets	$13,385	$16,436
Net non-current deferred tax assets	57,680	58,208
Net deferred tax assets	$71,065	$74,644

Income_Taxes_Change_in_Valuati

Income Taxes - Change in Valuation Allowance (Detail) (USD $)	12 Months Ended
In Thousands, unless otherwise specified	Dec. 31, 2014	Dec. 31, 2013	Dec. 31, 2012
Income Tax Disclosure [Abstract]
Valuation allowances at beginning of year	$24,508	$20,176
Increase in income tax expense	6,471	4,160	641
Foreign currency translation adjustments	-2,270	172
Valuation allowances at end of year	$28,709	$24,508	$20,176

Income_Taxes_Reconciliation_of

Income Taxes - Reconciliation of Unrecognized Tax Benefits (Detail) (USD $)	12 Months Ended
In Thousands, unless otherwise specified	Dec. 31, 2014
Income Tax Disclosure [Abstract]
Beginning Balance	$4,182
Additions for tax positions in prior periods	93
Additions for tax positions in current period	497
Subtractions due to foreign currency translation	-33
Subtractions due to audit settlements and statute expirations	-769
Ending Balance	$3,970

Market_Risk_Management_Additio

Market Risk Management - Additional Information (Detail) (USD $)	12 Months Ended
	Dec. 31, 2014	Dec. 31, 2013
Line of Credit Facility [Line Items]
Debt outstanding		$16,500,000
Hypothetical increase or decrease in the highest applicable interest rate	10.00%
Forward contracts maturities	1 month
Fair value of forwards contracts	376,000
Senior Revolving Credit Facility [Member]
Line of Credit Facility [Line Items]
Debt outstanding	0
ABS Facility [Member]
Line of Credit Facility [Line Items]
Debt outstanding	$61,000,000
Interest rates	1.07%

Market_Risk_Management_Foreign

Market Risk Management - Foreign Currency Amounts (Detail)	12 Months Ended
In Thousands, unless otherwise specified	Dec. 31, 2014	Dec. 31, 2014	Dec. 31, 2014	Dec. 31, 2014
	British Pounds Contracts [Member]	British Pounds Contracts [Member]	Euro Contracts [Member]	Euro Contracts [Member]
	USD ($)	GBP (£)	USD ($)	EUR (€)
Derivative Instruments and Hedging Activities Disclosures [Line Items]
Foreign Currency	GBP	GBP	EUR	EUR
Notional Amount of Foreign Currency Derivative Purchase Contracts	$10,000	£ 6,365	$10,000	€ 8,022
Weighted Average Maturity	1 month	1 month	1 month	1 month

Derivative_Financial_Instrumen2

Derivative Financial Instruments - Additional Information (Detail) (USD $)	12 Months Ended
	Dec. 31, 2014
	DerivativeInstrument
Derivative Instruments and Hedging Activities Disclosure [Abstract]
Foreign currency forward contracts, maturity	1 month
Approximate number of foreign exchange forward contracts per month	4
Average notional value of foreign exchange forward contracts	$8,476,000
Average maturity of foreign exchange forward contracts	10 days

Derivative_Financial_Instrumen3

Derivative Financial Instruments - Summary of Derivative Financial Instruments (Detail) (Not Designated as Hedging Instruments [Member], USD $)	Dec. 31, 2014	Dec. 31, 2013
In Thousands, unless otherwise specified	Dec. 31, 2014	Dec. 31, 2013
Derivatives, Fair Value [Line Items]
Asset Derivatives Fair Value		$91
Liability derivatives fair value	376
Foreign Exchange Forward Contracts [Member] \| Accrued Expenses and Other Current Liabilities [Member]
Derivatives, Fair Value [Line Items]
Liability derivatives fair value	376
Foreign Exchange Forward Contracts [Member] \| Other Current Assets [Member]
Derivatives, Fair Value [Line Items]
Asset Derivatives Fair Value		$91

Derivative_Financial_Instrumen4

Derivative Financial Instruments - Summary of Effect of Derivative Financial Instruments on Our Results of Operations (Detail) (USD $)	12 Months Ended
In Thousands, unless otherwise specified	Dec. 31, 2014	Dec. 31, 2013	Dec. 31, 2012
Derivative Instruments, (Gain) Loss
Amount of Loss (Gain) Recognized in Earnings on Derivatives	$205	($398)	$813
Foreign Exchange Forward Contracts [Member]
Derivative Instruments, (Gain) Loss
Amount of Loss (Gain) Recognized in Earnings on Derivatives	$205	($398)	$813

Fair_Value_Measurements_Summar

Fair Value Measurements - Summary of Valuation of Financial Instruments (Detail) (Foreign Exchange Derivatives [Member], USD $)	Dec. 31, 2013	Dec. 31, 2014
In Thousands, unless otherwise specified	Dec. 31, 2013	Dec. 31, 2014
Fair Value [Line Items]
Asset Derivatives Fair Value	$91
Other Current Assets [Member] \| Level 2 [Member]
Fair Value [Line Items]
Asset Derivatives Fair Value	91
Accrued Expenses and Other Current Liabilities [Member]
Fair Value [Line Items]
Liability derivatives fair value		376
Accrued Expenses and Other Current Liabilities [Member] \| Level 2 [Member]
Fair Value [Line Items]
Liability derivatives fair value		$376

Benefit_Plans_Additional_Infor

Benefit Plans - Additional Information (Detail) (USD $)	12 Months Ended
Benefit Plans - Additional Information (Detail) (USD $)	Dec. 31, 2014	Dec. 31, 2013	Dec. 31, 2012
Compensation Related Costs [Abstract]
Discretionary match contribution to defined contribution plan provided to participants-U.S. teammates	25.00%
Maximum pre-tax contributions of compensation per pay period eligible for match- U.S. teammates	6.00%
Contribution expense	$7,083,000	$6,923,000	$6,579,000

Share_Repurchase_Programs_Addi

Share Repurchase Programs - Additional Information (Detail) (USD $)	12 Months Ended
	Dec. 31, 2014	Dec. 31, 2013	Oct. 31, 2014	Oct. 31, 2013	Feb. 28, 2013	Feb. 11, 2015
Equity, Class of Treasury Stock [Line Items]
Common stock repurchase program, authorized amount			$25,000,000	$50,000,000	$50,000,000
Common stock shares repurchased	2,140,225	3,000,038
Repurchased shares of common stock, total cost	50,383,000	57,774,000
Repurchase shares of common stock, average cost per share	$23.54	$19.26
Remaining stock repurchase authorization amount	16,843,000
Subsequent Event [Member]
Equity, Class of Treasury Stock [Line Items]
Common stock repurchase program, authorized amount						$75,000,000

Commitments_and_Contingencies_

Commitments and Contingencies - Additional Information (Detail) (USD $)	12 Months Ended
	Dec. 31, 2014	Dec. 31, 2013	Dec. 31, 2012
Commitments and Contingencies Disclosure [Abstract]
Minimum months of salary paid as severance	3 months
Maximum months of salary paid as severance	24 months
Legal costs recovered	$390,000	$0	$2,000,000

Related_Party_Transaction_Addi

Related Party Transaction - Additional Information (Detail) (USD $)	1 Months Ended	12 Months Ended
	Dec. 31, 2014	Dec. 31, 2014
Related Party Transaction [Line Items]
Sale of facility	$2,500,000
Amounts outstanding on sale of facility	0	0
Gain on sale of facility	895,000
Proceeds from sale of facility net of related closing costs and fees	$2,472,000	$2,472,000
Trust [Member]
Related Party Transaction [Line Items]
Area of Company-owned facility sold (Square feet)	21,375

Supplemental_Financial_Informa2

Supplemental Financial Information - Summary of Additions and Deductions Related to Allowances for Doubtful Accounts (Detail) (USD $)	12 Months Ended
In Thousands, unless otherwise specified	Dec. 31, 2014	Dec. 31, 2013	Dec. 31, 2012
Quarterly Financial Information Disclosure [Abstract]
Allowance for doubtful accounts receivable, Beginning Balance	$19,908	$18,905	$18,803
Allowance for doubtful accounts receivable, Additions	4,409	4,696	4,195
Allowance for doubtful accounts receivable, Deductions	-4,981	-3,693	-4,093
Allowance for doubtful accounts receivable, Ending Balance	$19,336	$19,908	$18,905

Cash_Flows_Schedule_of_Cash_Pa

Cash Flows - Schedule of Cash Payments for Interest on Indebtedness and Cash Payments for Taxes on Income (Detail) (USD $)	12 Months Ended
In Thousands, unless otherwise specified	Dec. 31, 2014	Dec. 31, 2013	Dec. 31, 2012
Supplemental disclosures of cash flow information:
Cash paid during the year for interest	$2,439	$2,700	$3,265
Cash paid during the year for income taxes, net of refunds	$51,715	$37,872	$43,936

Cash_Flows_Additional_Informat

Cash Flows - Additional Information (Detail) (USD $)	12 Months Ended
Cash Flows - Additional Information (Detail) (USD $)	Dec. 31, 2014
Supplemental Cash Flow Elements [Abstract]
Capital expenditures in accounts payable, purchased at period end but not yet paid	$1,668,000

Segment_and_Geographic_Informa2

Segment and Geographic Information - Additional Information (Detail) (USD $)	3 Months Ended								12 Months Ended
	Dec. 31, 2014	Sep. 30, 2014	Jun. 30, 2014	Mar. 31, 2014	Dec. 31, 2013	Sep. 30, 2013	Jun. 30, 2013	Mar. 31, 2013	Dec. 31, 2014	Dec. 31, 2013	Dec. 31, 2012
	Dec. 31, 2014	Sep. 30, 2014	Jun. 30, 2014	Mar. 31, 2014	Dec. 31, 2013	Sep. 30, 2013	Jun. 30, 2013	Mar. 31, 2013	Segment	Dec. 31, 2013	Dec. 31, 2012
Revenue from External Customer [Line Items]
Number of operating segments									3
Net sales	$1,446,134,000	$1,237,668,000	$1,417,897,000	$1,214,530,000	$1,395,158,000	$1,151,020,000	$1,416,547,000	$1,181,622,000	$5,316,229,000	$5,144,347,000	$5,301,441,000
Total long-lived assets	104,181,000				132,820,000				104,181,000	132,820,000	143,513,000
Sales [Member]
Revenue from External Customer [Line Items]
Percentage of Net Sales									10.00%
United Kingdom [Member]
Revenue from External Customer [Line Items]
Net sales									746,123,000	656,559,000	686,047,000
Total long-lived assets	$19,522,000				$23,687,000				$19,522,000	$23,687,000	$23,616,000

Segment_and_Geographic_Informa3

Segment and Geographic Information - Net Sales by Product or Service Type for North America, EMEA and APAC (Detail) (USD $)	3 Months Ended								12 Months Ended
In Thousands, unless otherwise specified	Dec. 31, 2014	Sep. 30, 2014	Jun. 30, 2014	Mar. 31, 2014	Dec. 31, 2013	Sep. 30, 2013	Jun. 30, 2013	Mar. 31, 2013	Dec. 31, 2014	Dec. 31, 2013	Dec. 31, 2012
Revenue from External Customer [Line Items]
Revenues from external customers	$1,446,134	$1,237,668	$1,417,897	$1,214,530	$1,395,158	$1,151,020	$1,416,547	$1,181,622	$5,316,229	$5,144,347	$5,301,441
North America Segment [Member]
Revenue from External Customer [Line Items]
Revenues from external customers									3,562,726	3,470,760	3,626,357
North America Segment [Member] \| Hardware Net Sales [Member]
Revenue from External Customer [Line Items]
Revenues from external customers									2,175,397	2,130,006	2,238,363
North America Segment [Member] \| Software Net Sales [Member]
Revenue from External Customer [Line Items]
Revenues from external customers									1,174,234	1,129,114	1,177,538
North America Segment [Member] \| Services Net Sales [Member]
Revenue from External Customer [Line Items]
Revenues from external customers									213,095	211,640	210,456
EMEA Segment [Member]
Revenue from External Customer [Line Items]
Revenues from external customers									1,539,968	1,469,174	1,463,607
EMEA Segment [Member] \| Hardware Net Sales [Member]
Revenue from External Customer [Line Items]
Revenues from external customers									572,494	504,006	540,886
EMEA Segment [Member] \| Software Net Sales [Member]
Revenue from External Customer [Line Items]
Revenues from external customers									930,763	930,903	894,949
EMEA Segment [Member] \| Services Net Sales [Member]
Revenue from External Customer [Line Items]
Revenues from external customers									36,711	34,265	27,772
APAC Segment [Member]
Revenue from External Customer [Line Items]
Revenues from external customers									213,535	204,413	211,477
APAC Segment [Member] \| Hardware Net Sales [Member]
Revenue from External Customer [Line Items]
Revenues from external customers									12,463	6,222	4,820
APAC Segment [Member] \| Software Net Sales [Member]
Revenue from External Customer [Line Items]
Revenues from external customers									193,533	191,355	199,239
APAC Segment [Member] \| Services Net Sales [Member]
Revenue from External Customer [Line Items]
Revenues from external customers									$7,539	$6,836	$7,418

Segment_and_Geographic_Informa4

Segment and Geographic Information - Financial Information about Reportable Operating Segments (Detail) (USD $)	3 Months Ended								12 Months Ended
In Thousands, unless otherwise specified	Dec. 31, 2014	Sep. 30, 2014	Jun. 30, 2014	Mar. 31, 2014	Dec. 31, 2013	Sep. 30, 2013	Jun. 30, 2013	Mar. 31, 2013	Dec. 31, 2014	Dec. 31, 2013	Dec. 31, 2012
Segment Reporting Information [Line Items]
Net sales	$1,446,134	$1,237,668	$1,417,897	$1,214,530	$1,395,158	$1,151,020	$1,416,547	$1,181,622	$5,316,229	$5,144,347	$5,301,441
Costs of goods sold	1,263,895	1,065,848	1,223,298	1,050,785	1,214,003	982,352	1,225,620	1,023,485	4,603,826	4,445,460	4,581,765
Gross profit	182,239	171,820	194,599	163,745	181,155	168,668	190,927	158,137	712,403	698,887	719,676
Operating expenses:
Selling and administrative expenses	143,594	143,134	147,810	142,429	140,799	139,965	143,158	140,988	576,967	564,910	565,206
Severance and restructuring expenses	3,478	308	310	337	4,413	2,424	3,171	2,732	4,433	12,740	6,317
Earnings from operations	35,167	28,378	46,479	20,979	35,943	26,279	44,598	14,417	131,003	121,237	148,153
Total assets	2,533,536				2,348,163				2,533,536	2,348,163	2,419,531
North America Segment [Member]
Segment Reporting Information [Line Items]
Net sales									3,562,726	3,470,760	3,626,357
EMEA Segment [Member]
Segment Reporting Information [Line Items]
Net sales									1,539,968	1,469,174	1,463,607
APAC Segment [Member]
Segment Reporting Information [Line Items]
Net sales									213,535	204,413	211,477
Operating Segments [Member] \| North America Segment [Member]
Segment Reporting Information [Line Items]
Net sales									3,562,726	3,470,760	3,626,357
Costs of goods sold									3,085,279	2,998,573	3,147,835
Gross profit									477,447	472,187	478,522
Operating expenses:
Selling and administrative expenses									372,936	362,380	359,634
Severance and restructuring expenses									971	3,325	2,834
Earnings from operations									103,540	106,482	116,054
Total assets	1,840,242				1,645,393				1,840,242	1,645,393	1,749,890
Operating Segments [Member] \| EMEA Segment [Member]
Segment Reporting Information [Line Items]
Net sales									1,539,968	1,469,174	1,463,607
Costs of goods sold									1,340,052	1,277,850	1,259,762
Gross profit									199,916	191,324	203,845
Operating expenses:
Selling and administrative expenses									178,816	178,012	179,979
Severance and restructuring expenses									3,356	9,415	3,483
Earnings from operations									17,744	3,897	20,383
Total assets	575,847				577,448				575,847	577,448	538,968
Operating Segments [Member] \| APAC Segment [Member]
Segment Reporting Information [Line Items]
Net sales									213,535	204,413	211,477
Costs of goods sold									178,495	169,037	174,168
Gross profit									35,040	35,376	37,309
Operating expenses:
Selling and administrative expenses									25,215	24,518	25,593
Severance and restructuring expenses									106
Earnings from operations									9,719	10,858	11,716
Total assets	$117,447				$125,322				$117,447	$125,322	$130,673

Segment_and_Geographic_Informa5

Segment and Geographic Information - Financial Information about Reportable Operating Segments (Parenthetical) (Detail) (Consolidation, Eliminations [Member], USD $)	Dec. 31, 2014	Dec. 31, 2013	Dec. 31, 2012
Consolidation, Eliminations [Member]
Segment Reporting Information [Line Items]
Corporate assets and intercompany elimination amount	$585,413,000	$480,445,000	$418,028,000

Segment_and_Geographic_Informa6

Segment and Geographic Information - Summary of Geographic Net Sales and Long-Lived Assets (Detail) (USD $)	3 Months Ended								12 Months Ended
	Dec. 31, 2014	Sep. 30, 2014	Jun. 30, 2014	Mar. 31, 2014	Dec. 31, 2013	Sep. 30, 2013	Jun. 30, 2013	Mar. 31, 2013	Dec. 31, 2014	Dec. 31, 2013	Dec. 31, 2012
Revenues from External Customers and Long-Lived Assets [Line Items]
Net sales	$1,446,134,000	$1,237,668,000	$1,417,897,000	$1,214,530,000	$1,395,158,000	$1,151,020,000	$1,416,547,000	$1,181,622,000	$5,316,229,000	$5,144,347,000	$5,301,441,000
Total long-lived assets	104,181,000				132,820,000				104,181,000	132,820,000	143,513,000
United States [Member]
Revenues from External Customers and Long-Lived Assets [Line Items]
Net sales									3,368,798,000	3,281,403,000	3,398,516,000
Total long-lived assets	70,439,000				91,768,000				70,439,000	91,768,000	104,431,000
Foreign [Member]
Revenues from External Customers and Long-Lived Assets [Line Items]
Net sales									1,947,431,000	1,862,944,000	1,902,925,000
Total long-lived assets	$33,742,000				$41,052,000				$33,742,000	$41,052,000	$39,082,000

Segment_and_Geographic_Informa7

Segment and Geographic Information - Pre-Tax Depreciation and Amortization for Operating Segment (Detail) (USD $)	12 Months Ended
In Thousands, unless otherwise specified	Dec. 31, 2014	Dec. 31, 2013	Dec. 31, 2012
Segment Reporting Information [Line Items]
Depreciation and amortization	$40,570	$41,544	$41,177
North America Segment [Member]
Segment Reporting Information [Line Items]
Depreciation and amortization	31,365	31,815	32,457
EMEA Segment [Member]
Segment Reporting Information [Line Items]
Depreciation and amortization	8,325	8,608	7,803
APAC Segment [Member]
Segment Reporting Information [Line Items]
Depreciation and amortization	$880	$1,121	$917

Selected_Quarterly_Financial_I2

Selected Quarterly Financial Information - Consolidated Quarterly Financial Information (Detail) (USD $)	3 Months Ended								12 Months Ended
In Thousands, except Per Share data, unless otherwise specified	Dec. 31, 2014	Sep. 30, 2014	Jun. 30, 2014	Mar. 31, 2014	Dec. 31, 2013	Sep. 30, 2013	Jun. 30, 2013	Mar. 31, 2013	Dec. 31, 2014	Dec. 31, 2013	Dec. 31, 2012
Quarterly Financial Information Disclosure [Abstract]
Net sales	$1,446,134	$1,237,668	$1,417,897	$1,214,530	$1,395,158	$1,151,020	$1,416,547	$1,181,622	$5,316,229	$5,144,347	$5,301,441
Costs of goods sold	1,263,895	1,065,848	1,223,298	1,050,785	1,214,003	982,352	1,225,620	1,023,485	4,603,826	4,445,460	4,581,765
Gross profit	182,239	171,820	194,599	163,745	181,155	168,668	190,927	158,137	712,403	698,887	719,676
Operating expenses:
Selling and administrative expenses	143,594	143,134	147,810	142,429	140,799	139,965	143,158	140,988	576,967	564,910	565,206
Severance and restructuring expenses	3,478	308	310	337	4,413	2,424	3,171	2,732	4,433	12,740	6,317
Earnings from operations	35,167	28,378	46,479	20,979	35,943	26,279	44,598	14,417	131,003	121,237	148,153
Non-operating (income) expense:
Interest income	-251	-229	-333	-249	-259	-322	-337	-312	-1,062	-1,230	-1,468
Interest expense	1,466	1,594	1,501	1,458	1,560	1,603	1,556	1,618	6,019	6,337	6,101
Net foreign currency exchange (gain) loss	-868	238	461	496	445	474	-886	161	327	194	-463
Other expense, net	286	369	443	249	332	364	342	374	1,347	1,412	1,337
Earnings before income taxes	34,534	26,406	44,407	19,025	33,865	24,160	43,923	12,576	124,372	114,524	144,668
Income tax expense	15,051	9,004	17,158	7,475	13,458	9,135	17,410	3,500	48,688	43,503	51,905
Net earnings	$19,483	$17,402	$27,249	$11,550	$20,407	$15,025	$26,513	$9,076	$75,684	$71,021	$92,763
Net earnings per share:
Basic	$0.48	$0.42	$0.67	$0.28	$0.48	$0.35	$0.62	$0.20	$1.84	$1.65	$2.09
Diluted	$0.48	$0.42	$0.66	$0.28	$0.48	$0.35	$0.62	$0.20	$1.83	$1.64	$2.07