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Long-Term Debt (Schedule Of Europe And Mediterranean Credit Facilities) (Details) (USD $)
In Millions, unless otherwise specified
12 Months Ended
Dec. 31, 2012
Dec. 31, 2011
Outstanding borrowings $ 1,450.1 $ 1,048.9
Credit Facilities [Member] | Europe and Mediterranean [Member]
   
Outstanding borrowings 14.7 27.4
Undrawn availability $ 82.5 $ 108.8
Interest rate - weighted average 6.40% 5.20%
Maturity date Various Various