Indebtedness (Schedule Of Debt) (Details) (USD $) In Thousands, unless otherwise specified	Jun. 30, 2014	Mar. 31, 2014
Debt Instrument [Line Items]
Short-term debt	$ 53,000	$ 387,866
Total long-term debt	2,408,761	2,107,096
Less current portion of long-term debt	(400,235)	(400,322)
Long-term debt, excluding current portion	2,008,526	1,706,774
Total debt	2,461,761	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	56,600	54,230
Revolving credit borrowings - France [Member]
Debt Instrument [Line Items]
Total long-term debt	8,009	8,056
Senior notes, net [Member]
Debt Instrument [Line Items]
Total long-term debt	2,048,297	1,748,774
Other long-term debt [Member]
Debt Instrument [Line Items]
Total long-term debt	855	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	$ 53,000	$ 387,866