Pension Benefits (Schedule Of Weighted-Average Assumptions Used to Estimate Net Periodic Pension Expense and Actuarial Present Value of Benefit Obligations) (Details)	12 Months Ended
	Mar. 31, 2015	Mar. 31, 2014	Mar. 31, 2013
United States [Member]
Defined Benefit Plan Disclosure [Line Items]
Net periodic pension expense, Discount rates	3.74%	3.39%	4.11%
Net periodic pension expense, Rate of increase in compensation	4.00%	4.00%	4.00%
Net periodic pension expense, Expected long-term rate of return on plan assets	7.25%	7.25%	7.25%
Defined Benefit Plan Assumptions Used Calculating Benefit Obligation Discount Rates	3.18%	3.58%	3.40%
Benefit Obligations Assumptions Rate Increase in Compensation	4.00%	4.00%	4.00%
Foreign Pension Plan, Defined Benefit [Member]
Defined Benefit Plan Disclosure [Line Items]
Net periodic pension expense, Discount rates	3.85%	3.95%	4.50%
Net periodic pension expense, Rate of increase in compensation	3.11%	2.66%	3.10%
Net periodic pension expense, Expected long-term rate of return on plan assets	5.39%	5.71%	6.13%
Defined Benefit Plan Assumptions Used Calculating Benefit Obligation Discount Rates	2.50%	3.92%	4.10%
Benefit Obligations Assumptions Rate Increase in Compensation	3.24%	3.27%	3.05%