Indebtedness (Schedule Of Debt) (Details) (USD $) In Thousands, unless otherwise specified	Sep. 30, 2014	Mar. 31, 2014
Debt Instrument [Line Items]
Short-term debt	$ 433,174	$ 387,866
Total long-term debt	2,007,148	2,107,096
Less current portion of long-term debt	(205)	(400,322)
Long-term debt, excluding current portion	2,006,943	1,706,774
Total debt	2,440,322	2,494,962
Trade receivables securitization [Member]
Debt Instrument [Line Items]
Total long-term debt	295,000	295,000
Revolving credit borrowings - US [Member]
Debt Instrument [Line Items]
Total long-term debt	0	0
Revolving credit borrowings - multi-currency [Member]
Debt Instrument [Line Items]
Total long-term debt	55,598	54,230
Revolving credit borrowings - France [Member]
Debt Instrument [Line Items]
Total long-term debt	7,390	8,056
Senior notes, net [Member]
Debt Instrument [Line Items]
Total long-term debt	1,648,417	1,748,774
Other long-term debt [Member]
Debt Instrument [Line Items]
Total long-term debt	743	1,036
Money market loans [Member]
Debt Instrument [Line Items]
Short-term debt	0	0
Commercial paper [Member]
Debt Instrument [Line Items]
Short-term debt	$ 433,174	$ 387,866