v2.4.0.8
Other Current Assets (Detail) (USD $)
In Millions, unless otherwise specified
 6 Months Ended
Jun. 30, 2014
Dec. 31, 2013
Other Assets, Current [Line Items]    
Increase Decrease In Current Deferred Tax Assets $ (20.7)  
Prepaid expenses 43.1 34.9
Deferred financing fees 7.8 6.8
Income taxes receivable 6.3 6.8
Deferred income tax assets 1.4 22.1
Other 13.1 2.9
Total other current assets $ 71.7 $ 73.5