Annual report pursuant to Section 13 and 15(d)

Deferred Income Tax Assets, Included in Other Current Assets, and Liabilities (Detail)

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Deferred Income Tax Assets, Included in Other Current Assets, and Liabilities (Detail) (USD $)
In Millions, unless otherwise specified
Dec. 31, 2011
Dec. 31, 2010
Income Taxes [Line Items]    
Current deferred income tax assets, included in other current assets $ 8.1 $ 14.6
Long-term deferred income tax liabilities (227.8) (248.1)
Net deferred income tax liability $ (219.7) $ (233.5)