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Pension And Other Employee Benefit Plans (Schedule Of Amounts Recognized In Consolidated Balance Sheet) (Detail) (USD $)
In Millions, unless otherwise specified
Dec. 31, 2012
Dec. 31, 2011
Pension Plans, Postretirement and Other Employee Benefits [Line Items]    
Unfunded status - non-current liability $ (39.1) $ (12.2)
Accumulated OCI 62.0 37.3
Net amount recognized $ 22.9 $ 25.1