Consolidated Statements of Stockholders' Equity - USD ($) shares in Thousands, $ in Thousands	Total	Common Stock [Member]	Treasury Stock [Member]	Additional Paid-in Capital [Member]	Accumulated Other Comprehensive Income, Foreign Currency Translation Adjustment [Member]	Accumulated Other Comprehensive Income, Derivative Instruments [Member]	Accumulated Other Comprehensive Income, Defined Benefit Pension [Member]	Retained Earnings [Member]
Beginning balance (in shares) at Mar. 31, 2014		26,136	10,578
Beginning balance at Mar. 31, 2014	$ 351,117	$ 26	$ (397,880)	$ 492,427	$ 17,097	$ (258)	$ (9,512)	$ 249,217
Increase (Decrease) in Stockholders' Equity [Roll Forward]
Net income (loss)	15,342							15,342
Foreign currency translation adjustment	(17,954)				(17,954)
Pension, net of taxes
Actuarial gain (loss)	(2,999)						(2,999)
Actuarial gain (loss) reclassified into results of operations	172						172
Derivative Instruments, net of taxes
Net change in fair value of cash flow hedges	(250)					(250)
Amounts reclassified into results of operations	305					305
Stock compensation expense	6,008			6,008
Dividends declared	(6,171)							(6,171)
Issuance of common stock	0
Issuance of common stock (in shares)		169
Repurchases of common stock	(8,076)		$ (8,076)
Repurchase of common stock (in shares)			361
Proceeds from the exercise of stock options	0
Tax impact from equity awards	(383)			(383)
Ending balance at Mar. 31, 2015	337,111	$ 26	$ (405,956)	498,052	(857)	(203)	(12,339)	258,388
Ending balance (in shares) at Mar. 31, 2015		26,305	10,939
Increase (Decrease) in Stockholders' Equity [Roll Forward]
Net income (loss)	(171,102)							(171,102)
Foreign currency translation adjustment	1,970				1,970
Pension, net of taxes
Actuarial gain (loss)	(1,881)						(1,881)
Actuarial gain (loss) reclassified into results of operations	287						(287)
Derivative Instruments, net of taxes
Net change in fair value of cash flow hedges	(580)					(580)
Amounts reclassified into results of operations	528					(528)
Stock compensation expense	5,064			5,064
Dividends declared	(6,733)							(6,733)
Issuance of common stock	0
Issuance of common stock (in shares)		165
Repurchases of common stock	(7,154)		$ (7,154)
Repurchase of common stock (in shares)			512
Proceeds from the exercise of stock options	0
Tax impact from equity awards	(1,277)			(1,277)
Ending balance at Mar. 31, 2016	$ 156,233	$ 26	$ (413,110)	501,839	1,113	(255)	(13,933)	80,553
Ending balance (in shares) at Mar. 31, 2016	26,470	26,470	11,451
Increase (Decrease) in Stockholders' Equity [Roll Forward]
Net income (loss)	$ (7,051)							(7,051)
Foreign currency translation adjustment	(4,956)				(4,956)
Pension, net of taxes
Actuarial gain (loss)	2,969						2,969
Actuarial gain (loss) reclassified into results of operations	(326)						326
Derivative Instruments, net of taxes
Net change in fair value of cash flow hedges	(892)					(892)
Amounts reclassified into results of operations	799					(799)
Stock compensation expense	4,610			4,610
Dividends declared	(7,256)							(7,256)
Issuance of common stock	0
Issuance of common stock (in shares)		184
Repurchases of common stock	(2,481)		$ (2,481)
Repurchase of common stock (in shares)			243
Proceeds from the exercise of stock options	0
Tax impact from equity awards	0
Ending balance at Mar. 31, 2017	$ 141,649	$ 26	$ (415,591)	$ 506,449	$ (3,843)	$ (348)	$ (11,290)	$ 66,246
Ending balance (in shares) at Mar. 31, 2017	26,654	26,654	11,694