Indebtedness (Schedule Of Debt) (Details) (USD $) In Thousands, unless otherwise specified	Mar. 31, 2013	Mar. 31, 2012
Debt Instrument [Line Items]
Short-term debt	$ 0	$ 388,452
Total long-term debt	2,607,818	1,772,287
Less current portion of long-term debt	(303,573)	(10,385)
Long-term debt, excluding current portion	2,304,245	1,761,902
Total debt	2,607,818	2,160,739
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	36,705	43,472
Revolving Credit Borrowings France [Member]
Debt Instrument [Line Items]
Total long-term debt	7,372	6,338
Senior Notes, Net [Member]
Debt Instrument [Line Items]
Total long-term debt	2,050,820	1,205,881
Senior Subordinated Notes [Member]
Debt Instrument [Line Items]
Total long-term debt	215,446	215,446
Other long-term debt [Member]
Debt Instrument [Line Items]
Total long-term debt	2,475	6,150
Money-market loans [Member]
Debt Instrument [Line Items]
Short-term debt	0	0
Commercial Paper [Member]
Debt Instrument [Line Items]
Short-term debt	$ 0	$ 388,452