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, 2013		25,898	9,765
Beginning balance at Mar. 31, 2013	$ 482,247	$ 26	$ (376,086)	$ 486,075	$ 12,809	$ (171)	$ (11,181)	$ 370,775
Increase (Decrease) in Stockholders' Equity [Roll Forward]
Net income (loss)	(115,873)							(115,873)
Foreign currency translation adjustment	4,288				4,288
Pension, net of taxes
Actuarial gain (loss)	1,386						1,386
Actuarial gain (loss) reclassified into results of operations	283						283
Derivative Instruments, net of taxes
Net change in fair value of cash flow hedges	(1,212)					(1,212)
Amounts reclassified into results of operations	1,125					1,125
Stock compensation expense	6,589			6,589
Dividends declared	(5,685)							(5,685)
Issuance of common stock	0	$ 0		0
Issuance of common stock (in shares)		238
Repurchases of common stock	(21,794)		$ (21,794)
Repurchase of common stock (in shares)			813
Proceeds from the exercise of stock options	988			988
Tax impact from equity awards	(1,225)			(1,225)
Ending balance at Mar. 31, 2014	351,117	$ 26	$ (397,880)	492,427	17,097	(258)	(9,512)	249,217
Ending balance (in shares) at Mar. 31, 2014		26,136	10,578
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	$ 0		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			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	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	$ 0		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			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