Graham (GHM) 10-Q 3 Nov 14 2015 Q2 Quarterly report Financial data

Document_and_Entity_Informatio

Document and Entity Information	6 Months Ended
	Sep. 30, 2014	Oct. 30, 2014
Document And Entity Information [Abstract]	'	'
Document Type	'10-Q	'
Amendment Flag	'false	'
Document Period End Date	30-Sep-14	'
Document Fiscal Year Focus	'2015	'
Document Fiscal Period Focus	'Q2	'
Trading Symbol	'GHM	'
Entity Registrant Name	'GRAHAM CORP	'
Entity Central Index Key	'0000716314	'
Current Fiscal Year End Date	'--03-31	'
Entity Filer Category	'Accelerated Filer	'
Entity Common Stock, Shares Outstanding	'	10,126,365

CONDENSED_CONSOLIDATED_STATEME

CONDENSED CONSOLIDATED STATEMENTS OF OPERATIONS AND RETAINED EARNINGS (Unaudited) (USD $)	3 Months Ended		6 Months Ended
In Thousands, except Per Share data, unless otherwise specified	Sep. 30, 2014	Sep. 30, 2013	Sep. 30, 2014	Sep. 30, 2013
Income Statement [Abstract]	'	'	'	'
Net sales	$35,566	$24,490	$64,068	$52,746
Cost of products sold	24,582	16,201	45,152	34,442
Gross profit	10,984	8,289	18,916	18,304
Other expenses and income:	'	'	'	'
Selling, general and administrative	4,694	4,393	8,989	8,739
Selling, general and administrative - amortization	58	56	112	113
Interest income	-43	-10	-89	-21
Interest expense	3	4	6	9
Total other expenses and income	4,712	4,443	9,018	8,840
Income before provision for income taxes	6,272	3,846	9,898	9,464
Provision for income taxes	2,086	1,257	3,320	3,067
Net income	4,186	2,589	6,578	6,397
Retained earnings at beginning of period	95,456	88,139	93,469	84,632
Dividends	-405	-302	-810	-603
Retained earnings at end of period	$99,237	$90,426	$99,237	$90,426
Basic:	'	'	'	'
Net income	$0.41	$0.26	$0.65	$0.64
Diluted:	'	'	'	'
Net income	$0.41	$0.26	$0.65	$0.63
Weighted average common shares outstanding:	'	'	'	'
Basic:	10,126	10,062	10,116	10,060
Diluted:	10,148	10,104	10,138	10,095
Dividends declared per share	$0.04	$0.03	$0.08	$0.06

CONDENSED_CONSOLIDATED_STATEME1

CONDENSED CONSOLIDATED STATEMENTS OF COMPREHENSIVE INCOME (Unaudited) (USD $)	3 Months Ended		6 Months Ended
In Thousands, unless otherwise specified	Sep. 30, 2014	Sep. 30, 2013	Sep. 30, 2014	Sep. 30, 2013
Statement of Comprehensive Income [Abstract]	'	'	'	'
Net income	$4,186	$2,589	$6,578	$6,397
Other comprehensive income:	'	'	'	'
Foreign currency translation adjustment	39	38	44	45
Defined benefit pension and other postretirement plans net of income tax of $45 and $78 for the three months ended September 30, 2014 and 2013, respectively, and $91 and $156 for the six months ended September 30, 2014 and 2013, respectively	84	143	168	286
Total other comprehensive income	123	181	212	331
Total comprehensive income	$4,309	$2,770	$6,790	$6,728

CONDENSED_CONSOLIDATED_STATEME2

CONDENSED CONSOLIDATED STATEMENTS OF COMPREHENSIVE INCOME (Unaudited) (Parenthetical) (USD $)	3 Months Ended		6 Months Ended
In Thousands, unless otherwise specified	Sep. 30, 2014	Sep. 30, 2013	Sep. 30, 2014	Sep. 30, 2013
Statement of Comprehensive Income [Abstract]	'	'	'	'
Defined benefit pension and other postretirement plans, tax	$45	$78	$91	$156

CONDENSED_CONSOLIDATED_BALANCE

CONDENSED CONSOLIDATED BALANCE SHEETS (Unaudited) (USD $)	Sep. 30, 2014	Mar. 31, 2014
In Thousands, unless otherwise specified
Current assets:	'	'
Cash and cash equivalents	$31,795	$32,146
Investments	33,000	29,000
Trade accounts receivable, net of allowances ($47 and $46 at September 30 and March 31, 2014, respectively)	15,288	10,339
Unbilled revenue	10,214	7,830
Inventories	14,036	16,518
Prepaid expenses and other current assets	928	457
Income taxes receivable	'	498
Deferred income tax asset	876	668
Total current assets	106,137	97,456
Property, plant and equipment, net	19,704	16,449
Prepaid pension asset	6,340	5,759
Goodwill	6,938	6,938
Permits	10,300	10,300
Other intangible assets, net	4,518	4,608
Other assets	194	124
Total assets	154,131	141,634
Current liabilities:	'	'
Current portion of capital lease obligations	61	80
Accounts payable	12,657	10,084
Accrued compensation	6,446	5,701
Accrued expenses and other current liabilities	2,834	2,233
Customer deposits	9,634	8,012
Income taxes payable	443	'
Total current liabilities	32,075	26,110
Capital lease obligations	110	136
Accrued compensation	'	158
Deferred income tax liability	8,361	8,197
Accrued pension liability	294	272
Accrued postretirement benefits	870	853
Total liabilities	41,710	35,726
Commitments and contingencies (Note 11)	'	'
Stockholders' equity:	'	'
Preferred stock, $1.00 par value - Authorized, 500 shares	0	0
Common stock, $.10 par value - Authorized, 25,500 shares Issued, 10,432 and 10,409 shares at September 30 and March 31, 2014, respectively	1,043	1,041
Capital in excess of par value	20,758	20,274
Retained earnings	99,237	93,469
Accumulated other comprehensive loss	-5,553	-5,765
Treasury stock, 306 and 311 shares at September 30 and March 31, 2014, respectively	-3,064	-3,111
Total stockholders' equity	112,421	105,908
Total liabilities and stockholders' equity	$154,131	$141,634

CONDENSED_CONSOLIDATED_BALANCE1

CONDENSED CONSOLIDATED BALANCE SHEETS (Unaudited) (Parenthetical) (USD $)	Sep. 30, 2014	Mar. 31, 2014
In Thousands, except Share data, unless otherwise specified
Statement of Financial Position [Abstract]	'	'
Allowances on trade accounts receivable	$47	$46
Preferred stock, par value	$1	$1
Preferred stock, shares authorized	500,000	500,000
Common stock, par value	$0.10	$0.10
Common stock, shares authorized	25,500,000	25,500,000
Common stock, shares issued	10,432,000	10,409,000
Treasury stock, shares	306,000	311,000

CONDENSED_CONSOLIDATED_STATEME3

CONDENSED CONSOLIDATED STATEMENTS OF CASH FLOWS (Unaudited) (USD $)	6 Months Ended
In Thousands, unless otherwise specified	Sep. 30, 2014	Sep. 30, 2013
Operating activities:	'	'
Net income	$6,578	$6,397
Adjustments to reconcile net income to net cash provided by operating activities:	'	'
Depreciation	1,041	986
Amortization	112	113
Amortization of unrecognized prior service cost and actuarial losses	259	442
Discount accretion on investments	'	-4
Stock-based compensation expense	298	342
Deferred income taxes	-145	220
(Increase) decrease in operating assets:	'	'
Accounts receivable	-4,946	-4,596
Unbilled revenue	-2,371	3,640
Inventories	2,486	139
Prepaid expenses and other current and non-current assets	-552	-457
Prepaid pension asset	-581	-397
Increase (decrease) in operating liabilities:	'	'
Accounts payable	2,360	-1,938
Accrued compensation, accrued expenses and other current and non-current liabilities	1,516	135
Customer deposits	1,615	-1,343
Income taxes payable/receivable	939	568
Long-term portion of accrued compensation, accrued pension liability and accrued postretirement benefits	-119	46
Net cash provided by operating activities	8,490	4,293
Investing activities:	'	'
Purchase of property, plant and equipment	-4,096	-898
Purchase of investments	-23,000	-54,997
Redemption of investments at maturity	19,000	50,500
Net cash used by investing activities	-8,096	-5,395
Financing activities:	'	'
Principal repayments on capital lease obligations	-44	-44
Issuance of common stock	29	259
Dividends paid	-810	-603
Excess tax benefit on stock awards	34	119
Net cash used by financing activities	-791	-269
Effect of exchange rate changes on cash	46	39
Net decrease in cash and cash equivalents	-351	-1,332
Cash and cash equivalents at beginning of period	32,146	24,194
Cash and cash equivalents at end of period	$31,795	$22,862

Basis_of_Presentation

Basis of Presentation	6 Months Ended
	Sep. 30, 2014
Accounting Policies [Abstract]	'
Basis of Presentation	'
	NOTE 1 – BASIS OF PRESENTATION:
	Graham Corporation’s (the “Company’s”) Condensed Consolidated Financial Statements include: (i) its wholly-owned foreign subsidiary located in China; and (ii) its wholly-owned domestic subsidiary located in Lapeer, Michigan. The Condensed Consolidated Financial Statements have been prepared in accordance with accounting principles generally accepted in the U.S. (“GAAP”) for interim financial information and the instructions to Form 10-Q and Rule 10-01 of Regulation S-X, each as promulgated by the Securities and Exchange Commission. The Company’s Condensed Consolidated Financial Statements do not include all information and notes required by GAAP for complete financial statements. The unaudited Condensed Consolidated Balance Sheet as of March 31, 2014 presented herein was derived from the Company’s audited Consolidated Balance Sheet as of March 31, 2014. For additional information, please refer to the consolidated financial statements and notes included in the Company’s Annual Report on Form 10-K for the fiscal year ended March 31, 2014 (“fiscal 2014”). In the opinion of management, all adjustments, including normal recurring accruals considered necessary for a fair presentation, have been included in the Company’s Condensed Consolidated Financial Statements.
	The Company’s results of operations and cash flows for the three and six months ended September 30, 2014 are not necessarily indicative of the results that may be expected for the fiscal year ending March 31, 2015 (“fiscal 2015”).

Revenue_Recognition

Revenue Recognition	6 Months Ended
	Sep. 30, 2014
Text Block [Abstract]	'
Revenue Recognition	'
	NOTE 2 – REVENUE RECOGNITION:
	The Company recognizes revenue on all contracts with a planned manufacturing process in excess of four weeks (which approximates 575 direct labor hours) using the percentage-of-completion method. The majority of the Company’s revenue is recognized under this methodology. The percentage-of-completion method is determined by comparing actual labor incurred to a specific date to management’s estimate of the total labor to be incurred on each contract. Contracts in progress are reviewed monthly, and sales and earnings are adjusted in current accounting periods based on revisions in the contract value and estimated costs at completion. Losses on contracts are recognized immediately when evident to management. There is no reserve for credit losses related to unbilled revenue recorded for contracts accounted for on the percentage-of-completion method. Any reserve for credit losses related to unbilled revenue is recorded as a reduction to revenue.
	Revenue on contracts not accounted for using the percentage-of-completion method is recognized utilizing the completed contract method. The majority of the Company’s contracts (as opposed to revenue) have a planned manufacturing process of less than four weeks and the results reported under this method do not vary materially from the percentage-of-completion method. The Company recognizes revenue and all related costs on these contracts upon substantial completion or shipment to the customer. Substantial completion is consistently defined as at least 95% complete with regard to direct labor hours. Customer acceptance is generally required throughout the construction process and the Company has no further material obligations under its contracts after the revenue is recognized.
	Receivables billed but not paid under retainage provisions in its customer contracts were $1,243 and $901 at September 30, 2014 and March 31, 2014, respectively.

Investments

Investments	6 Months Ended
	Sep. 30, 2014
Investments, Debt and Equity Securities [Abstract]	'
Investments	'
	NOTE 3 – INVESTMENTS:
	Investments consist solely of certificates of deposit with financial institutions and fixed income debt securities issued by the U.S. Treasury. All investments have original maturities of greater than three months and less than one year and are classified as held-to-maturity, as the Company believes it has the intent and ability to hold the securities to maturity. The investments are stated at amortized cost which approximates fair value. All investments held by the Company at September 30, 2014 are scheduled to mature on or before May 13, 2015.

Inventories

Inventories	6 Months Ended
	Sep. 30, 2014
Inventory Disclosure [Abstract]	'
Inventories	'
	NOTE 4 – INVENTORIES:
	Inventories are stated at the lower of cost or market, using the average cost method. For contracts accounted for on the completed contract method, progress payments received are netted against inventory to the extent the payment is less than the inventory balance relating to the applicable contract. Progress payments that are in excess of the corresponding inventory balance are presented as customer deposits in the Condensed Consolidated Balance Sheets. Unbilled revenue in the Condensed Consolidated Balance Sheets represents revenue recognized that has not been billed to customers on contracts accounted for using the percentage-of-completion method. For contracts accounted for using the percentage–of–completion method, progress payments are netted against unbilled revenue to the extent the payment is less than the unbilled revenue for the applicable contract. Progress payments exceeding unbilled revenue are netted against inventory to the extent the payment is less than or equal to the inventory balance relating to the applicable contract, and the excess is presented as customer deposits in the Condensed Consolidated Balance Sheets.
	Major classifications of inventories are as follows:
		September 30,		March 31,
		2014		2014
	Raw materials and supplies	$	2,995	$	3,185
	Work in process		18,354		17,767
	Finished products		679		646
			22,028		21,598
	Less - progress payments		7,992		5,080
	Total	$	14,036	$	16,518

Intangible_Assets

Intangible Assets	6 Months Ended
	Sep. 30, 2014
Goodwill and Intangible Assets Disclosure [Abstract]	'
Intangible Assets	'
	NOTE 5 – INTANGIBLE ASSETS:
	Intangible assets are comprised of the following:
		Gross		Accumulated		Net
		Carrying		Amortization		Carrying
		Amount				Amount
	At September 30, 2014
	Intangibles subject to amortization:
	Backlog	$	170	$	170	$	-
	Customer relationships		2,700		682		2,018
		$	2,870	$	852	$	2,018
	Intangibles not subject to amortization:
	Permits	$	10,300	$	-	$	10,300
	Tradename		2,500		-		2,500
		$	12,800	$	-	$	12,800
	At March 31, 2014
	Intangibles subject to amortization:
	Backlog	$	170	$	170	$	-
	Customer relationships		2,700		592		2,108
		$	2,870	$	762	$	2,108
	Intangibles not subject to amortization:
	Permits	$	10,300	$	-	$	10,300
	Tradename		2,500		-		2,500
		$	12,800	$	-	$	12,800
	Intangible assets are amortized on a straight line basis over their estimated useful lives. Intangible amortization expense for each of the three-month periods ended September 30, 2014 and 2013 was $45. Intangible amortization expense for each of the six months ended September 30, 2014 and 2013 was $90. As of September 30, 2014, amortization expense is estimated to be $90 for the remainder of fiscal 2015 and $180 in each of the fiscal years ending March 31, 2016, 2017, 2018 and 2019.

StockBased_Compensation

Stock-Based Compensation	6 Months Ended
	Sep. 30, 2014
Disclosure of Compensation Related Costs, Share-based Payments [Abstract]	'
Stock-Based Compensation	'
	NOTE 6 – STOCK-BASED COMPENSATION:
	The Amended and Restated 2000 Graham Corporation Incentive Plan to Increase Shareholder Value provides for the issuance of up to 1,375 shares of common stock in connection with grants of incentive stock options, non-qualified stock options, stock awards and performance awards to officers, key employees and outside directors; provided, however, that no more than 250 shares of common stock may be used for awards other than stock options. Stock options may be granted at prices not less than the fair market value at the date of grant and expire no later than ten years after the date of grant.
	Restricted stock awards granted in the three-month periods ended September 30, 2014 and 2013 were 2 and 0, respectively. The restricted shares were granted to directors and vest 100% on the first anniversary of the grant date.
	Restricted stock awards granted in the six-month periods ended September 30, 2014 and 2013 were 30 and 32, respectively. Restricted shares of 12 and 14 granted to officers in fiscal 2015 and fiscal 2014, respectively, vest 100% on the third anniversary of the grant date subject to the satisfaction of the performance metrics for the applicable three-year period. Restricted shares of 11 and 12 granted to officers and key employees in fiscal 2015 and fiscal 2014, respectively, vest 33 1⁄3% per year over a three-year term. Restricted shares of 7 and 6 granted to directors in fiscal 2015 and fiscal 2014, respectively, vest 100% on the first year anniversary of the grant date. There were no stock option awards granted in the three-month or six-month periods ended September 30, 2014 and 2013.
	During the three months ended September 30, 2014 and 2013, the Company recognized stock-based compensation costs related to stock option and restricted stock awards of $163 and $134, respectively. The income tax benefit recognized related to stock-based compensation was $57 and $47 for the three months ended September 30, 2014 and 2013, respectively. During the six months ended September 30, 2014 and 2013, the Company recognized stock-based compensation costs related to stock option and restricted stock awards of $269 and $314, respectively. The income tax benefit recognized related to stock-based compensation was $94 and $110 for the six months ended September 30, 2014 and 2013, respectively.
	The Company has an Employee Stock Purchase Plan (the “ESPP”), which allows eligible employees to purchase shares of the Company’s common stock on the last day of a six-month offering period at a purchase price equal to the lesser of 85% of the fair market value of the common stock on either the first day or the last day of the offering period. A total of 200 shares of common stock may be purchased under the ESPP. During each of the three months ended September 30, 2014 and 2013, the Company recognized stock-based compensation costs of $13 related to the ESPP and $4 of related tax benefits. During the six months ended September 30, 2014 and 2013, the Company recognized stock-based compensation costs of $30 and $28, respectively, related to the ESPP and $10 and $9, respectively, of related tax benefits.

Income_Per_Share

Income Per Share	6 Months Ended
	Sep. 30, 2014
Earnings Per Share [Abstract]	'
Income Per Share	'
	NOTE 7 – INCOME PER SHARE:
	Basic income per share is computed by dividing net income by the weighted average number of common shares outstanding for the period. Common shares outstanding include share equivalent units, which are contingently issuable shares. Diluted income per share is calculated by dividing net income by the weighted average number of common shares outstanding and, when applicable, potential common shares outstanding during the period. A reconciliation of the numerators and denominators of basic and diluted income per share is presented below:
		Three Months Ended				Six Months Ended
		September 30,				September 30,
		2014		2013		2014		2013
	Basic income per share
	Numerator:
	Net income	$	4,186	$	2,589	$	6,578	$	6,397
	Denominator:
	Weighted common shares outstanding		10,126		10,051		10,116		10,033
	Share equivalent units (“SEUs”) outstanding		-		11		-		27
	Weighted average common shares and SEUs outstanding		10,126		10,062		10,116	$	10,060
	Basic income per share	$	0.41	$	0.26	$	0.65	$	0.64
	Diluted income per share
	Numerator:
	Net income	$	4,186	$	2,589	$	6,578	$	6,397
	Denominator:
	Weighted average shares and SEUs outstanding		10,126		10,062		10,116		10,060
	Stock options outstanding		22		42		22		35
	Weighted average common and potential common shares outstanding		10,148		10,104		10,138		10,095
	Diluted income per share	$	0.41	$	0.26	$	0.65	$	0.63
	Options to purchase a total of 2 shares of common stock were outstanding at each of September 2014 and 2013, respectively, but were not included in the above computation of diluted income per share given their exercise prices as they would be anti-dilutive upon issuance.

Product_Warranty_Liability

Product Warranty Liability	6 Months Ended
	Sep. 30, 2014
Guarantees [Abstract]	'
Product Warranty Liability	'
	NOTE 8 – PRODUCT WARRANTY LIABILITY:
	The reconciliation of the changes in the product warranty liability is as follows:
		Three Months Ended						Six Months Ended
		September 30,						September 30,
		2014			2013			2014			2013
	Balance at beginning of period	$	373		$	331		$	308		$	408
	Expense for product warranties		40			78			137			58
	Product warranty claims paid		(66	)		(110	)		(98	)		(167	)
	Balance at end of period	$	347		$	299		$	347		$	299
	The product warranty liability is included in the line item “Accrued expenses and other current liabilities” in the Condensed Consolidated Balance Sheets.

Cash_Flow_Statement

Cash Flow Statement	6 Months Ended
	Sep. 30, 2014
Supplemental Cash Flow Elements [Abstract]	'
Cash Flow Statement	'
	NOTE 9 – CASH FLOW STATEMENT:
	Interest paid was $6 for each of the six-month periods ended September 30, 2014 and 2013, respectively. In addition, income taxes paid for the six months ended September 30, 2014 and 2013 were $2,492 and $2,161, respectively.
	During the six months ended September 30, 2014 and 2013, respectively, stock option awards were exercised and restricted stock awards vested. In connection with such stock option exercises and vesting, the related income tax benefit realized exceeded the tax benefit that had been recorded pertaining to the compensation cost recognized by $34 and $119, respectively, for such periods. This excess tax benefit has been separately reported under “Financing activities” in the Condensed Consolidated Statements of Cash Flows.
	At September 30, 2014 and 2013, there were $199 and $38, respectively, of capital purchases that were recorded in accounts payable and are not included in the caption “Purchase of property, plant and equipment” in the Condensed Consolidated Statements of Cash Flows.

Employee_Benefit_Plans

Employee Benefit Plans (Pension Plans, Defined Benefit [Member])	6 Months Ended
	Sep. 30, 2014
Pension Plans, Defined Benefit [Member]	'
Employee Benefit Plans	'
	NOTE 10 – EMPLOYEE BENEFIT PLANS:
	The components of pension cost are as follows:
		Three Months Ended						Six Months Ended
		September 30,						September 30,
		2014			2013			2014			2013
	Service cost	$	137		$	144		$	273		$	288
	Interest cost		358			339			717			679
	Expected return on assets		(759	)		(682	)		(1,517	)		(1,364	)
	Amortization of:
	Unrecognized prior service cost		1			1			2			2
	Actuarial loss		145			251			290			501
	Net pension cost	$	(118	)	$	53		$	(235	)	$	106
	The Company made contributions to its defined benefit pension plan during the six months ended September 30, 2014 of $55. The Company does not expect to make any contributions to the plan for the balance of fiscal 2015.
	The components of the postretirement benefit income are as follows:
		Three Months Ended						Six Months Ended
		September 30,						September 30,
		2014			2013			2014			2013
	Service cost	$	-		$	-		$	-		$	-
	Interest cost		8			8			16			16
	Amortization of prior service benefit		(27	)		(42	)		(53	)		(83	)
	Amortization of actuarial loss		10			11			20			22
	Net postretirement benefit income	$	(9	)	$	(23	)	$	(17	)	$	(45	)
	The Company paid benefits of $0 related to its postretirement benefit plan during the six months ended September 30, 2014. The Company expects to pay benefits of approximately $98 during the balance of fiscal 2015.
	The Company self-funds the medical insurance coverage it provides to its U.S. based employees. The Company has obtained a stop loss insurance policy in an effort to limit its exposure to claims. The liability of $305 and $221 on September 30 and March 31, 2014, respectively, related to the Company’s self-insured medical plan is primarily based upon claim history and is included in the caption “Accrued compensation” in the Condensed Consolidated Balance Sheets.

Commitments_and_Contingencies

Commitments and Contingencies	6 Months Ended
	Sep. 30, 2014
Commitments and Contingencies Disclosure [Abstract]	'
Commitments and Contingencies	'
	NOTE 11 – COMMITMENTS AND CONTINGENCIES:
	The Company has been named as a defendant in lawsuits alleging personal injury from exposure to asbestos allegedly contained in products made by the Company. The Company is a co-defendant with numerous other defendants in these lawsuits and intends to vigorously defend itself against these claims. The claims are similar to previous asbestos suits that named the Company as defendant, which either were dismissed when it was shown that the Company had not supplied products to the plaintiffs’ places of work or were settled for immaterial amounts.
	As of September 30, 2014, the Company was subject to the claims noted above, as well as other legal proceedings and potential claims that have arisen in the ordinary course of business.
	Although the outcome of the lawsuits to which the Company is a party cannot be determined and an estimate of the reasonably possible loss or range of loss cannot be made, management does not believe that the outcomes, either individually or in the aggregate, will have a material effect on the Company’s results of operations, financial position or cash flows.

Income_Taxes

Income Taxes	6 Months Ended
	Sep. 30, 2014
Income Tax Disclosure [Abstract]	'
Income Taxes	'
	NOTE 12 – INCOME TAXES:
	The Company files federal and state income tax returns in several domestic and international jurisdictions. In most tax jurisdictions, returns are subject to examination by the relevant tax authorities for a number of years after the returns have been filed. The Company is subject to U.S. federal examination for the tax year 2013 and examination in state tax jurisdictions for the tax years 2009 through 2013. The Company is subject to examination in the People’s Republic of China for tax years 2011 through 2013.
	The liability for unrecognized tax benefits was $0 at both September 30 and March 31, 2014. It is the Company’s policy to recognize any interest related to uncertain tax positions in interest expense and any penalties related to uncertain tax positions in selling, general and administrative expense. During each of the three and six months ended September 30, 2014, the Company recorded no interest related to its uncertain tax positions. During the three and six months ended September 30, 2013, the Company recorded $2 and $4, respectively, for interest related to its uncertain tax positions. No penalties related to uncertain tax positions were recorded in the three-month or six-month periods ended September 30, 2014 or 2013.

Changes_in_Accumulated_Other_C

Changes in Accumulated Other Comprehensive Loss	6 Months Ended
	Sep. 30, 2014
Equity [Abstract]	'
Changes in Accumulated Other Comprehensive Loss	'
	NOTE 13 – CHANGES IN ACCUMULATED OTHER COMPREHENSIVE LOSS:
	The changes in accumulated other comprehensive loss by component for the six months ended September 30, 2014 and 2013 are as follows:
			Pension and					Foreign			Total
			Other					Currency
			Postretirement					Items
			Benefit Items
	Balance at April 1, 2014		$	-6,168				$	403		$	-5,765
	Other comprehensive income before reclassifications			-					44			44
	Amounts reclassified from accumulated other comprehensive loss			168					-			168
	Net current-period other comprehensive income			168					44			212
	Balance at September 30, 2014		$	-6,000				$	447		$	-5,553
			Pension and					Foreign			Total
			Other					Currency
			Postretirement					Items
			Benefit Items
	Balance at April 1, 2013		$	(8,443)				$	410		$	(8,033)
	Other comprehensive income before reclassifications			-					45			45
	Amounts reclassified from accumulated other comprehensive loss			286					-			286
	Net current-period other comprehensive income			286					45			331
	Balance at September 30, 2013		$	(8,157)				$	455		$	-7,702
	The reclassifications out of accumulated other comprehensive loss by component for the three and six months ended September 30, 2014 and 2013 are as follows:
	Details about Accumulated Other		Amount Reclassified from							Affected Line Item in the Condensed
			Accumulated Other
	Comprehensive Loss Components		Comprehensive Loss							Consolidated Statements of Operations and
										Retained Earnings
			Three Months			Three Months
			Ended			Ended
			September 30,			September 30,
			2014			2013
	Pension and other postretirement benefit items:
	Amortization of unrecognized prior service benefit		$	26	(1)	$	41	(1)
	Amortization of actuarial loss			(155	)(1)		(262	)(1)
				(129	)		(221	)		Income before provision for income taxes
				(45	)		(78	)		Provision for income taxes
			$	(84	)	$	(143	)		Net income
	Details about Accumulated Other		Amount Reclassified from							Affected Line Item in the Condensed
			Accumulated Other
	Comprehensive Loss Components		Comprehensive Loss							Consolidated Statements of Operations and
										Retained Earnings
			Six Months			Six Months
			Ended			Ended
			September 30,			September 30,
			2014			2013
	Pension and other postretirement benefit items:
	Amortization of unrecognized prior service benefit		$	51	(1)	$	81	(1)
	Amortization of actuarial loss			(310	)(1)		(523	)(1)
				(259	)		(442	)		Income before provision for income taxes
				(91	)		(156	)		Provision for income taxes
			$	(168	)	$	(286	)		Net income
	(1)	These accumulated other comprehensive loss components are included within the computation of net periodic pension and other postretirement benefit costs. See Note 10.

Accounting_and_Reporting_Chang

Accounting and Reporting Changes	6 Months Ended
	Sep. 30, 2014
Accounting Changes and Error Corrections [Abstract]	'
Accounting and Reporting Changes	'
	NOTE 14 – ACCOUNTING AND REPORTING CHANGES:
	In the normal course of business, management evaluates all new accounting pronouncements issued by the Financial Accounting Standards Board (“FASB”), the Securities and Exchange Commission, the Emerging Issues Task Force, the American Institute of Certified Public Accountants or any other authoritative accounting body to determine their potential impact on the Company’s consolidated financial statements.
	In May 2014, the FASB issued guidance related to the accounting for revenue from contracts with customers. This guidance establishes principles for reporting information about the nature, amount, timing and uncertainty of revenue and cash flows arising from a company’s contracts with customers. The guidance requires companies to apply a five-step model when recognizing revenue to depict the transfer of promised goods or services to customers in an amount that reflects the consideration to which the company expects to be entitled in exchange for those goods and services. The guidance also includes a comprehensive set of disclosure requirements regarding revenue recognition. The provisions of the guidance are effective for fiscal years, and interim periods within those fiscal years, beginning after December 15, 2016. The Company is currently evaluating the impact this guidance will have on its financial position, results of operations and cash flows. See Note 2 for a description of the Company’s current revenue recognition policy.
	Management does not expect any other recently issued accounting pronouncements, which have not already been adopted, to have a material impact on the Company’s consolidated financial statements.

Inventories_Tables

Inventories (Tables)	6 Months Ended
	Sep. 30, 2014
Inventory Disclosure [Abstract]	'
Major Classifications of Inventories	'
	Major classifications of inventories are as follows:
		September 30,		March 31,
		2014		2014
	Raw materials and supplies	$	2,995	$	3,185
	Work in process		18,354		17,767
	Finished products		679		646
			22,028		21,598
	Less - progress payments		7,992		5,080
	Total	$	14,036	$	16,518

Intangible_Assets_Tables

Intangible Assets (Tables)	6 Months Ended
	Sep. 30, 2014
Goodwill and Intangible Assets Disclosure [Abstract]	'
Summary of Intangible Assets	'
	Intangible assets are comprised of the following:
		Gross		Accumulated		Net
		Carrying		Amortization		Carrying
		Amount				Amount
	At September 30, 2014
	Intangibles subject to amortization:
	Backlog	$	170	$	170	$	-
	Customer relationships		2,700		682		2,018
		$	2,870	$	852	$	2,018
	Intangibles not subject to amortization:
	Permits	$	10,300	$	-	$	10,300
	Tradename		2,500		-		2,500
		$	12,800	$	-	$	12,800
	At March 31, 2014
	Intangibles subject to amortization:
	Backlog	$	170	$	170	$	-
	Customer relationships		2,700		592		2,108
		$	2,870	$	762	$	2,108
	Intangibles not subject to amortization:
	Permits	$	10,300	$	-	$	10,300
	Tradename		2,500		-		2,500
		$	12,800	$	-	$	12,800

Income_Per_Share_Tables

Income Per Share (Tables)	6 Months Ended
	Sep. 30, 2014
Earnings Per Share [Abstract]	'
Reconciliation of Numerators and Denominators of Basic and Diluted Income Per Share	'
	A reconciliation of the numerators and denominators of basic and diluted income per share is presented below:
		Three Months Ended				Six Months Ended
		September 30,				September 30,
		2014		2013		2014		2013
	Basic income per share
	Numerator:
	Net income	$	4,186	$	2,589	$	6,578	$	6,397
	Denominator:
	Weighted common shares outstanding		10,126		10,051		10,116		10,033
	Share equivalent units (“SEUs”) outstanding		-		11		-		27
	Weighted average common shares and SEUs outstanding		10,126		10,062		10,116	$	10,060
	Basic income per share	$	0.41	$	0.26	$	0.65	$	0.64
	Diluted income per share
	Numerator:
	Net income	$	4,186	$	2,589	$	6,578	$	6,397
	Denominator:
	Weighted average shares and SEUs outstanding		10,126		10,062		10,116		10,060
	Stock options outstanding		22		42		22		35
	Weighted average common and potential common shares outstanding		10,148		10,104		10,138		10,095
	Diluted income per share	$	0.41	$	0.26	$	0.65	$	0.63

Product_Warranty_Liability_Tab

Product Warranty Liability (Tables)	6 Months Ended
	Sep. 30, 2014
Guarantees [Abstract]	'
Reconciliation of the Changes in Product Warranty Liability	'
	The reconciliation of the changes in the product warranty liability is as follows:
		Three Months Ended						Six Months Ended
		September 30,						September 30,
		2014			2013			2014			2013
	Balance at beginning of period	$	373		$	331		$	308		$	408
	Expense for product warranties		40			78			137			58
	Product warranty claims paid		(66	)		(110	)		(98	)		(167	)
	Balance at end of period	$	347		$	299		$	347		$	299

Employee_Benefit_Plans_Tables

Employee Benefit Plans (Tables)	6 Months Ended
	Sep. 30, 2014
Pension Plans, Defined Benefit [Member]	'
Components of Postretirement Benefit Income and Pension Cost	'
	The components of pension cost are as follows:
		Three Months Ended						Six Months Ended
		September 30,						September 30,
		2014			2013			2014			2013
	Service cost	$	137		$	144		$	273		$	288
	Interest cost		358			339			717			679
	Expected return on assets		(759	)		(682	)		(1,517	)		(1,364	)
	Amortization of:
	Unrecognized prior service cost		1			1			2			2
	Actuarial loss		145			251			290			501
	Net pension cost	$	(118	)	$	53		$	(235	)	$	106
Other Postretirement Benefit Plans [Member]	'
Components of Postretirement Benefit Income and Pension Cost	'
	The components of the postretirement benefit income are as follows:
		Three Months Ended						Six Months Ended
		September 30,						September 30,
		2014			2013			2014			2013
	Service cost	$	-		$	-		$	-		$	-
	Interest cost		8			8			16			16
	Amortization of prior service benefit		(27	)		(42	)		(53	)		(83	)
	Amortization of actuarial loss		10			11			20			22
	Net postretirement benefit income	$	(9	)	$	(23	)	$	(17	)	$	(45	)

Changes_in_Accumulated_Other_C1

Changes in Accumulated Other Comprehensive Loss (Tables)	6 Months Ended
	Sep. 30, 2014
Equity [Abstract]	'
Changes in Accumulated Other Comprehensive Loss by Component	'
	The changes in accumulated other comprehensive loss by component for the six months ended September 30, 2014 and 2013 are as follows:
			Pension and					Foreign			Total
			Other					Currency
			Postretirement					Items
			Benefit Items
	Balance at April 1, 2014		$	-6,168				$	403		$	-5,765
	Other comprehensive income before reclassifications			-					44			44
	Amounts reclassified from accumulated other comprehensive loss			168					-			168
	Net current-period other comprehensive income			168					44			212
	Balance at September 30, 2014		$	-6,000				$	447		$	-5,553
			Pension and					Foreign			Total
			Other					Currency
			Postretirement					Items
			Benefit Items
	Balance at April 1, 2013		$	(8,443)				$	410		$	(8,033)
	Other comprehensive income before reclassifications			-					45			45
	Amounts reclassified from accumulated other comprehensive loss			286					-			286
	Net current-period other comprehensive income			286					45			331
	Balance at September 30, 2013		$	(8,157)				$	455		$	-7,702
The Reclassifications Out of Accumulated Other Comprehensive Loss by Component	'
	The reclassifications out of accumulated other comprehensive loss by component for the three and six months ended September 30, 2014 and 2013 are as follows:
	Details about Accumulated Other		Amount Reclassified from							Affected Line Item in the Condensed
			Accumulated Other
	Comprehensive Loss Components		Comprehensive Loss							Consolidated Statements of Operations and
										Retained Earnings
			Three Months			Three Months
			Ended			Ended
			September 30,			September 30,
			2014			2013
	Pension and other postretirement benefit items:
	Amortization of unrecognized prior service benefit		$	26	(1)	$	41	(1)
	Amortization of actuarial loss			(155	)(1)		(262	)(1)
				(129	)		(221	)		Income before provision for income taxes
				(45	)		(78	)		Provision for income taxes
			$	(84	)	$	(143	)		Net income
	Details about Accumulated Other		Amount Reclassified from							Affected Line Item in the Condensed
			Accumulated Other
	Comprehensive Loss Components		Comprehensive Loss							Consolidated Statements of Operations and
										Retained Earnings
			Six Months			Six Months
			Ended			Ended
			September 30,			September 30,
			2014			2013
	Pension and other postretirement benefit items:
	Amortization of unrecognized prior service benefit		$	51	(1)	$	81	(1)
	Amortization of actuarial loss			(310	)(1)		(523	)(1)
				(259	)		(442	)		Income before provision for income taxes
				(91	)		(156	)		Provision for income taxes
			$	(168	)	$	(286	)		Net income
	(1)	These accumulated other comprehensive loss components are included within the computation of net periodic pension and other postretirement benefit costs. See Note 10.

Revenue_Recognition_Additional

Revenue Recognition - Additional Information (Detail) (USD $)	6 Months Ended
In Thousands, unless otherwise specified	Sep. 30, 2014	Mar. 31, 2014
Revenue Recognition [Line Items]	'	'
Company recognizes planned manufacturing process	'28 days	'
Direct labor hours worked on contracts	'0 days 575 hours	'
Reserve for credit losses related to unbilled revenue	$0	'
Receivables billed but not paid under retainage provisions in its customer contracts	$1,243	$901
Minimum [Member]	'	'
Revenue Recognition [Line Items]	'	'
Substantial completion of manufacturing process	95.00%	'

Investments_Additional_Informa

Investments - Additional Information (Detail)	6 Months Ended
	Sep. 30, 2014
Minimum [Member]	'
Investment Securities [Line Items]	'
Treasury with original maturities period	'3 months
Maximum [Member]	'
Investment Securities [Line Items]	'
Investment maturity date range end	13-May-15
Treasury with original maturities period	'1 year

Inventories_Major_Classificati

Inventories - Major Classifications of Inventories (Detail) (USD $)	Sep. 30, 2014	Mar. 31, 2014
In Thousands, unless otherwise specified
Inventory Disclosure [Abstract]	'	'
Raw materials and supplies	$2,995	$3,185
Work in process	18,354	17,767
Finished products	679	646
Inventory Gross	22,028	21,598
Less - progress payments	7,992	5,080
Total	$14,036	$16,518

Intangible_Assets_Summary_of_I

Intangible Assets - Summary of Intangible Assets (Detail) (USD $)	Sep. 30, 2014	Mar. 31, 2014
In Thousands, unless otherwise specified
Schedule Of Intangible Assets [Line Items]	'	'
Finite-Lived Intangible Assets, Gross Carrying Amount	$2,870	$2,870
Finite-Lived Intangible Assets, Accumulated Amortization	852	762
Finite-Lived Intangible Assets, Net Carrying Amount	2,018	2,108
Indefinite Lived Intangible Assets, Net Carrying Amount	12,800	12,800
Backlog [Member]	'	'
Schedule Of Intangible Assets [Line Items]	'	'
Finite-Lived Intangible Assets, Gross Carrying Amount	170	170
Finite-Lived Intangible Assets, Accumulated Amortization	170	170
Finite-Lived Intangible Assets, Net Carrying Amount	0	0
Customer Relationships [Member]	'	'
Schedule Of Intangible Assets [Line Items]	'	'
Finite-Lived Intangible Assets, Gross Carrying Amount	2,700	2,700
Finite-Lived Intangible Assets, Accumulated Amortization	682	592
Finite-Lived Intangible Assets, Net Carrying Amount	2,018	2,108
Permits [Member]	'	'
Schedule Of Intangible Assets [Line Items]	'	'
Indefinite Lived Intangible Assets, Net Carrying Amount	10,300	10,300
Tradename [Member]	'	'
Schedule Of Intangible Assets [Line Items]	'	'
Indefinite Lived Intangible Assets, Net Carrying Amount	$2,500	$2,500

Intangible_Assets_Additional_I

Intangible Assets - Additional Information (Detail) (USD $)	3 Months Ended		6 Months Ended
In Thousands, unless otherwise specified	Sep. 30, 2014	Sep. 30, 2013	Sep. 30, 2014	Sep. 30, 2013
Indefinite-lived Intangible Assets [Line Items]	'	'	'	'
Intangible amortization expense	$58	$56	$112	$113
Customer Relationships [Member]	'	'	'	'
Indefinite-lived Intangible Assets [Line Items]	'	'	'	'
Intangible amortization expense	45	45	90	90
Future amortization expenses, 2015	90	'	90	'
Future amortization expenses, 2016	180	'	180	'
Future amortization expenses, 2017	180	'	180	'
Future amortization expenses, 2018	180	'	180	'
Future amortization expenses, 2019	$180	'	$180	'

StockBased_Compensation_Additi

Stock-Based Compensation - Additional Information (Detail) (USD $)	3 Months Ended		6 Months Ended
In Thousands, unless otherwise specified	Sep. 30, 2014	Sep. 30, 2013	Sep. 30, 2014	Sep. 30, 2013
Employee Stock Purchase Plan [Member]	'	'	'	'
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]	'	'	'	'
Stock based compensation expense	$13	$13	$30	$28
Income tax benefit to stock based compensation	4	4	10	9
Discounted purchase price of common stock percentage on fair market value	85.00%	85.00%	85.00%	85.00%
Shares approved for purchase under ESPP	200	'	200	'
Restricted Stock [Member]	'	'	'	'
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]	'	'	'	'
Stock based compensation expense	163	134	269	314
Income tax benefit to stock based compensation	$57	$47	$94	$110
Amended And Restated 2000 Incentive Plan [Member] | Employee Stock Option [Member]	'	'	'	'
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]	'	'	'	'
Stock options maximum term	'10 years	'10 years	'10 years	'10 years
Stock option awards granted	'	'	0	0
Amended And Restated 2000 Incentive Plan [Member] | Employee Stock Option [Member] | Maximum [Member]	'	'	'	'
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]	'	'	'	'
Number of shares authorized	1,375	'	1,375	'
Amended And Restated 2000 Incentive Plan [Member] | Restricted Stock [Member]	'	'	'	'
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]	'	'	'	'
Restricted stock awards	'	'	30	32
Amended And Restated 2000 Incentive Plan [Member] | Restricted Stock [Member] | Time Vested Restricted Stock [Member] | Director [Member]	'	'	'	'
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]	'	'	'	'
Restricted stock awards	2	0	7	6
Share-based compensation vesting percentage	100.00%	100.00%	100.00%	100.00%
Vesting period	'1 year	'1 year	'1 year	'1 year
Amended And Restated 2000 Incentive Plan [Member] | Restricted Stock [Member] | Time Vested Restricted Stock [Member] | Officers and Key Employees [Member]	'	'	'	'
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]	'	'	'	'
Restricted stock awards	'	'	11	12
Share-based compensation vesting percentage	'	'	33.33%	33.33%
Vesting period	'	'	'3 years	'3 years
Amended And Restated 2000 Incentive Plan [Member] | Restricted Stock [Member] | Performance Vested Restricted Stock [Member] | Officer [Member]	'	'	'	'
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]	'	'	'	'
Restricted stock awards	'	'	12	14
Share-based compensation vesting percentage	'	'	100.00%	100.00%
Vesting period	'	'	'3 years	'3 years
Amended And Restated 2000 Incentive Plan [Member] | Restricted Stock [Member] | Maximum [Member]	'	'	'	'
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]	'	'	'	'
Number of shares authorized	250	'	250	'

Income_Per_Share_Reconciliatio

Income Per Share - Reconciliation of Numerators and Denominators of Basic and Diluted Income Per Share (Detail) (USD $)	3 Months Ended		6 Months Ended
In Thousands, except Per Share data, unless otherwise specified	Sep. 30, 2014	Sep. 30, 2013	Sep. 30, 2014	Sep. 30, 2013
Numerator:	'	'	'	'
Net income	$4,186	$2,589	$6,578	$6,397
Denominator:	'	'	'	'
Weighted common shares outstanding	10,126	10,051	10,116	10,033
Share equivalent units ("SEUs") outstanding	'	11	'	27
Weighted average common shares and SEUs outstanding	10,126	10,062	10,116	10,060
Basic income per share	$0.41	$0.26	$0.65	$0.64
Numerator:	'	'	'	'
Net income	$4,186	$2,589	$6,578	$6,397
Denominator:	'	'	'	'
Weighted average shares and SEUs outstanding	10,126	10,062	10,116	10,060
Stock options outstanding	22	42	22	35
Weighted average common and potential common shares outstanding	10,148	10,104	10,138	10,095
Diluted income per share	$0.41	$0.26	$0.65	$0.63

Income_Per_Share_Additional_In

Income Per Share - Additional Information (Detail)	6 Months Ended
In Thousands, unless otherwise specified	Sep. 30, 2014	Sep. 30, 2013
Earnings Per Share [Abstract]	'	'
Antidilutive securities excluded from computation of earnings per share	2	2

Product_Warranty_Liability_Rec

Product Warranty Liability - Reconciliation of the Changes in Product Warranty Liability (Detail) (USD $)	3 Months Ended		6 Months Ended
In Thousands, unless otherwise specified	Sep. 30, 2014	Sep. 30, 2013	Sep. 30, 2014	Sep. 30, 2013
Guarantees [Abstract]	'	'	'	'
Balance at beginning of period	$373	$331	$308	$408
Expense for product warranties	40	78	137	58
Product warranty claims paid	-66	-110	-98	-167
Balance at end of period	$347	$299	$347	$299

Cash_Flow_Statement_Additional

Cash Flow Statement - Additional Information (Detail) (USD $)	6 Months Ended
In Thousands, unless otherwise specified	Sep. 30, 2014	Sep. 30, 2013
Supplemental Cash Flow Elements [Abstract]	'	'
Interest paid	$6	$6
Income taxes paid	2,492	2,161
Excess tax benefit on stock awards	34	119
Capital expenditures	$199	$38

Employee_Benefit_Plans_Compone

Employee Benefit Plans - Components of Postretirement Benefit Income and Pension Cost (Detail) (USD $)	3 Months Ended		6 Months Ended
In Thousands, unless otherwise specified	Sep. 30, 2014	Sep. 30, 2013	Sep. 30, 2014	Sep. 30, 2013
Pension Plans, Defined Benefit [Member]	'	'	'	'
Defined Benefit Plan Disclosure [Line Items]	'	'	'	'
Service cost	$137	$144	$273	$288
Interest cost	358	339	717	679
Expected return on assets	-759	-682	-1,517	-1,364
Amortization of prior service benefit	1	1	2	2
Amortization of actuarial loss	145	251	290	501
Net pension cost (income) and postretirement benefit (income)	-118	53	-235	106
Other Postretirement Benefit Plans [Member]	'	'	'	'
Defined Benefit Plan Disclosure [Line Items]	'	'	'	'
Service cost	0	'	0	'
Interest cost	8	8	16	16
Amortization of prior service benefit	-27	-42	-53	-83
Amortization of actuarial loss	10	11	20	22
Net pension cost (income) and postretirement benefit (income)	($9)	($23)	($17)	($45)

Employee_Benefit_Plans_Additio

Employee Benefit Plans - Additional Information (Detail) (USD $)	Sep. 30, 2014	Mar. 31, 2014	Sep. 30, 2014	Sep. 30, 2014
In Thousands, unless otherwise specified			Pension Plans, Defined Benefit [Member]	Other Postretirement Benefit Plans [Member]
Defined Benefit Plan Disclosure [Line Items]	'	'	'	'
Contributions to its defined benefit pension plan	'	'	$55	'
Contributions to the plan for the fiscal 2015	'	'	0	'
Post retirement benefit plan	'	'	'	0
Defined benefit plan, benefit expected to pay	'	'	'	98
Self-Insured medical plan liability	$305	$221	'	'

Income_Taxes_Additional_Inform

Income Taxes - Additional Information (Detail) (USD $)	3 Months Ended		6 Months Ended
In Thousands, unless otherwise specified	Sep. 30, 2014	Sep. 30, 2013	Sep. 30, 2014	Sep. 30, 2013	Mar. 31, 2014
Income Taxes [Line Items]	'	'	'	'	'
Liability unrecognized tax benefits	$0	'	$0	'	$0
Unrecognized tax benefits, interest expense on income taxes	0	2	0	4	'
Penalties related to uncertain tax positions	$0	$0	$0	$0	'
Maximum [Member] | Federal Tax Jurisdictions [Member]	'	'	'	'	'
Income Taxes [Line Items]	'	'	'	'	'
Federal and State tax jurisdictions for tax period	'	'	'2013	'	'
Maximum [Member] | State Tax Jurisdictions [Member]	'	'	'	'	'
Income Taxes [Line Items]	'	'	'	'	'
Federal and State tax jurisdictions for tax period	'	'	'2013	'	'
Maximum [Member] | International Tax Jurisdictions [Member]	'	'	'	'	'
Income Taxes [Line Items]	'	'	'	'	'
Federal and State tax jurisdictions for tax period	'	'	'2013	'	'
Minimum [Member] | State Tax Jurisdictions [Member]	'	'	'	'	'
Income Taxes [Line Items]	'	'	'	'	'
Federal and State tax jurisdictions for tax period	'	'	'2009	'	'
Minimum [Member] | International Tax Jurisdictions [Member]	'	'	'	'	'
Income Taxes [Line Items]	'	'	'	'	'
Federal and State tax jurisdictions for tax period	'	'	'2011	'	'

Changes_in_Accumulated_Other_C2

Changes in Accumulated Other Comprehensive Loss - Changes in Accumulated Other Comprehensive Loss by Component (Detail) (USD $)	3 Months Ended		6 Months Ended
In Thousands, unless otherwise specified	Sep. 30, 2014	Sep. 30, 2013	Sep. 30, 2014	Sep. 30, 2013
Accumulated Other Comprehensive Income (Loss) [Line Items]	'	'	'	'
Accumulated other comprehensive loss, beginning balance	'	'	($5,765)	($8,033)
Other comprehensive income before reclassifications	'	'	44	45
Amounts reclassified from accumulated other comprehensive loss	'	'	168	286
Total other comprehensive income	123	181	212	331
Accumulated other comprehensive loss, ending balance	-5,553	-7,702	-5,553	-7,702
Pension and Other Postretirement Benefits Items [Member]	'	'	'	'
Accumulated Other Comprehensive Income (Loss) [Line Items]	'	'	'	'
Accumulated other comprehensive loss, beginning balance	'	'	-6,168	-8,443
Other comprehensive income before reclassifications	'	'	0	'
Amounts reclassified from accumulated other comprehensive loss	'	'	168	286
Total other comprehensive income	'	'	168	286
Accumulated other comprehensive loss, ending balance	-6,000	-8,157	-6,000	-8,157
Foreign Currency Items [Member]	'	'	'	'
Accumulated Other Comprehensive Income (Loss) [Line Items]	'	'	'	'
Accumulated other comprehensive loss, beginning balance	'	'	403	410
Other comprehensive income before reclassifications	'	'	44	45
Amounts reclassified from accumulated other comprehensive loss	'	'	0	'
Total other comprehensive income	'	'	44	45
Accumulated other comprehensive loss, ending balance	$447	$455	$447	$455

Changes_in_Accumulated_Other_C3

Changes in Accumulated Other Comprehensive Loss - The Reclassifications Out of Accumulated Other Comprehensive Loss by Component (Detail) (USD $)	3 Months Ended		6 Months Ended
In Thousands, unless otherwise specified	Sep. 30, 2014	Sep. 30, 2013	Sep. 30, 2014	Sep. 30, 2013
Reclassification Adjustment out of Accumulated Other Comprehensive Income [Line Items]	'	'	'	'
Income before provision for income taxes	$6,272	$3,846	$9,898	$9,464
Provision for income taxes	2,086	1,257	3,320	3,067
Net income	4,186	2,589	6,578	6,397
Reclassifications Out of Accumulated Other Comprehensive Loss [Member] | Amortization of Unrecognized Prior Service Benefit [Member]	'	'	'	'
Reclassification Adjustment out of Accumulated Other Comprehensive Income [Line Items]	'	'	'	'
Income before provision for income taxes	26	41	51	81
Reclassifications Out of Accumulated Other Comprehensive Loss [Member] | Amortization of Actuarial Loss [Member]	'	'	'	'
Reclassification Adjustment out of Accumulated Other Comprehensive Income [Line Items]	'	'	'	'
Income before provision for income taxes	-155	-262	-310	-523
Reclassifications Out of Accumulated Other Comprehensive Loss [Member] | Pension and Other Postretirement Benefits Items [Member]	'	'	'	'
Reclassification Adjustment out of Accumulated Other Comprehensive Income [Line Items]	'	'	'	'
Income before provision for income taxes	-129	-221	-259	-442
Provision for income taxes	-45	-78	-91	-156
Net income	($84)	($143)	($168)	($286)