Other Comprehensive Income (Loss) Component of Accumulated Other Comprehensive Loss, Net of Tax (Details) - USD ($) $ in Thousands	3 Months Ended
	Jun. 30, 2015	Jun. 30, 2014
Accumulated Other Comprehensive Income (Loss) [Roll Forward]
Accumulated Other Comprehensive Income (Loss), Net of Tax, Beginning Balance	$ (66,386)	$ (38,326)
Other comprehensive earnings before reclassifications	2,532	208
Amounts reclassified to net earnings, net of tax	1,000	414
Other comprehensive earnings, net of tax	3,532	622
Accumulated Other Comprehensive Income (Loss), Net of Tax, Ending Balance	(62,854)	(37,704)
Currency Translation Adjustment [Member]
Accumulated Other Comprehensive Income (Loss) [Roll Forward]
Accumulated Other Comprehensive Income (Loss), Net of Tax, Beginning Balance	(14,154)	(1,640)
Other comprehensive earnings before reclassifications	2,307	208
Amounts reclassified to net earnings, net of tax	0	0
Other comprehensive earnings, net of tax	2,307	208
Accumulated Other Comprehensive Income (Loss), Net of Tax, Ending Balance	(11,847)	(1,432)
Pensions, Net of Tax [Member]
Accumulated Other Comprehensive Income (Loss) [Roll Forward]
Accumulated Other Comprehensive Income (Loss), Net of Tax, Beginning Balance	(52,232)	(36,686)
Other comprehensive earnings before reclassifications	225	0
Amounts reclassified to net earnings, net of tax	1,000	414
Other comprehensive earnings, net of tax	1,225	414
Accumulated Other Comprehensive Income (Loss), Net of Tax, Ending Balance	$ (51,007)	$ (36,272)