v2.4.0.8
Other Current Assets (Detail) (USD $)
In Millions, unless otherwise specified
 3 Months Ended
Mar. 31, 2014
Dec. 31, 2013
Other Assets, Current [Line Items]    
Increase Decrease In Current Deferred Tax Assets $ (17.0)  
Prepaid expenses 41.2 34.9
Deferred financing fees 7.3 6.8
Income taxes receivable 6.5 6.8
Deferred income tax assets 5.2 22.1
Other 1.8 2.9
Total other current assets $ 62.0 $ 73.5