Defined Benefit Pension and Other Postretirement Benefit Plans (Details) $ in Thousands	3 Months Ended
	Jun. 30, 2016 USD ($) plan	Jun. 30, 2015 USD ($)
Pension
Defined Benefit Plan Disclosure
Contribution by employer	$ 300
Net periodic benefit (income) costs
Net service cost	347	$ 717
Interest cost	358	338
Expected return on net assets	(94)	(105)
Amortization:
Defined Benefit Plan, Actuarial Gain (Loss)	115	197
Prior service cost	21	15
Total net periodic benefit (income) costs	747	1,162
Pension | Maximum
Defined Benefit Plan Disclosure
Estimated employer contribution in current fiscal year	$ 1,700
Pension | Europe
Defined Benefit Plan Disclosure
Defined Benefit Plan, Number of Plans | plan	6
Pension | Singapore
Defined Benefit Plan Disclosure
Defined Benefit Plan, Number of Plans | plan	1
Pension | Mexico
Defined Benefit Plan Disclosure
Defined Benefit Plan, Number of Plans | plan	2
Other Postretirement Benefit Plan [Member]
Net periodic benefit (income) costs
Net service cost	$ 0	0
Interest cost	4	6
Expected return on net assets	0	0
Amortization:
Defined Benefit Plan, Actuarial Gain (Loss)	(42)	(40)
Prior service cost	0	0
Total net periodic benefit (income) costs	$ (38)	$ (34)