Condensed Consolidated Statements Of Cash Flows (USD $) | 9 Months Ended |
In Thousands, unless otherwise specified | Sep. 30, 2013 | Sep. 30, 2012 |
Cash Flows from Operating Activities: | ' | ' |
Net income | $25,841 | $24,202 |
Adjustments to reconcile net income to net cash provided by operating activities: | ' | ' |
Depreciation and amortization | 5,011 | 4,851 |
Provision for doubtful accounts | 727 | 1,453 |
Deferred income taxes | -126 | 1,523 |
Stock-based compensation expense | 753 | 1,376 |
Loss on disposal of fixed assets | 7 | 80 |
Income tax benefit from stock-based compensation | 505 | 213 |
Excess tax benefit from exercise of stock options | -228 | -15 |
Fair value adjustment to contingent consideration | ' | -44 |
Changes in assets and liabilities: | ' | ' |
Accounts receivable | 15,592 | 23,427 |
Inventories | -6,736 | 11,959 |
Prepaid expenses and other current assets | -157 | 861 |
Other non-current assets | -17 | -82 |
Accounts payable | -963 | -2,398 |
Accrued expenses and other liabilities | 1,198 | -3,725 |
Net cash provided by operating activities | 41,407 | 63,681 |
Cash Flows from Investing Activities: | ' | ' |
Purchases of property and equipment | -4,943 | -7,010 |
Proceeds from sale of equipment | ' | 10 |
Net cash used for investing activities | -4,943 | -7,000 |
Cash Flows from Financing Activities: | ' | ' |
Repayment of short-term borrowings | ' | -12,471 |
Proceeds from short-term borrowings | ' | 7,204 |
Exercise of stock options | 1,654 | 872 |
Issuance of stock under Employee Stock Purchase Plan | 307 | 260 |
Excess tax benefit from exercise of stock options | 228 | 15 |
Repayment of capital lease obligation to affiliate | -802 | -718 |
Payment of payroll taxes on stock-based compensation through shares withheld | -577 | -504 |
Purchase of treasury shares | ' | -1,466 |
Payment of contingent consideration | ' | -960 |
Net cash provided by (used for) financing activities | 810 | -7,768 |
Increase in cash and cash equivalents | 37,274 | 48,913 |
Cash and cash equivalents, beginning of period | 39,907 | 4,615 |
Cash and cash equivalents, end of period | 77,181 | 53,528 |
Non-cash Investing and Financing Activities: | ' | ' |
Issuance of nonvested stock from treasury | 403 | 1,314 |
Accrued capital expenditures | $320 | $388 |