Debt (Schedule Of Debts) (Details) - USD ($) $ in Thousands	Dec. 31, 2015	Mar. 31, 2015
Debt [Abstract]
Short-term debt	$ 98,677	$ 145,639
Long-term debt due within one year	74,985	130,426
Total debt, current	173,662	276,065
Long-term debt, non-current portion	300,323	144,627
Total	$ 473,985	$ 420,692