Employee Benefits Weighted Average Assumptions (Details) - USD ($) $ in Thousands	12 Months Ended
	Mar. 31, 2015	Mar. 31, 2014	Mar. 31, 2013
Defined Benefit Plan Disclosure [Line Items]
Period of projection (in years)	10 years
Discount rate	10.54%	11.13%
U.S. Pension Plans [Member]
Defined Benefit Plan Disclosure [Line Items]
Discount rate	4.20%	3.86%	4.30%
Rate of increase in future compensation	4.50%	4.00%	4.00%
Expected long-term rate of return on plan assets	7.25%	7.25%	7.75%
Discount rate	3.60%	4.20%
Rate of increase in future compensation	4.50%	4.50%
Amount to be amortized from AOCI next year	$ (2,183)
Non-U.S. Pension Plans [Member]
Defined Benefit Plan Disclosure [Line Items]
Discount rate	4.30%	4.31%	5.22%
Rate of increase in future compensation	3.94%	4.36%	4.45%
Expected long-term rate of return on plan assets	6.83%	6.56%	6.93%
Discount rate	3.13%	4.30%
Rate of increase in future compensation	3.56%	3.94%
Amount to be amortized from AOCI next year	$ (1,381)