Indebtedness (Schedule Of Debt) (Details) (USD $) In Thousands, unless otherwise specified	Dec. 31, 2013	Mar. 31, 2013
Debt Instrument [Line Items]
Short-term debt	$ 443,209	$ 0
Total long-term debt	2,105,120	2,607,818
Less current portion of long-term debt	(400,376)	(303,573)
Long-term debt, excluding current portion	1,704,744	2,304,245
Total debt	2,548,329	2,607,818
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	52,236	36,705
Revolving Credit Borrowings France [Member]
Debt Instrument [Line Items]
Total long-term debt	8,040	7,372
Senior Notes, Net [Member]
Debt Instrument [Line Items]
Total long-term debt	1,748,669	2,050,820
Senior Subordinated Notes [Member]
Debt Instrument [Line Items]
Total long-term debt	0
Subordinated Debt		215,446
Other long-term debt [Member]
Debt Instrument [Line Items]
Total long-term debt	1,175	2,475
Money market loans [Member]
Debt Instrument [Line Items]
Short-term debt	0	0
Commercial paper [Member]
Debt Instrument [Line Items]
Short-term debt	$ 443,209	$ 0