Defined Benefit Pension and Other Postretirement Benefit Plans (Details) - USD ($) $ in Thousands	3 Months Ended		9 Months Ended
	Dec. 31, 2015	Dec. 31, 2014	Dec. 31, 2015	Dec. 31, 2014
Europe
Defined Benefit Plan Disclosure
Defined Benefit Plan, Other Information			6
Singapore
Defined Benefit Plan Disclosure
Defined Benefit Plan, Other Information			1
Mexico
Defined Benefit Plan Disclosure
Defined Benefit Plan, Other Information			2
Landsberg Germany [Member]
Amortization:
Defined Benefit Plan, Curtailments			$ 6,700
Pension
Net periodic benefit (income) costs
Net service cost	$ 404	$ 338	1,514	$ 1,014
Interest cost	338	478	1,013	1,435
Expected return on net assets	(105)	(124)	(315)	(371)
Amortization:
Actuarial (gain) loss	197	81	591	213
Prior service cost	15	4	44	13
Total net periodic benefit (income) costs	849	777	2,847	2,304
Contribution by employer			900
Pension | Maximum
Amortization:
Estimated employer contribution in current fiscal year			1,500
Post-retirement Benefit Plan
Net periodic benefit (income) costs
Interest cost	3	9	14	21
Amortization:
Actuarial (gain) loss	(64)	(36)	(143)	(140)
Total net periodic benefit (income) costs	$ (61)	$ (27)	$ (129)	$ (119)