v2.4.0.8
Other Current Liabilities (Detail) (USD $)
In Millions, unless otherwise specified
Jun. 30, 2014
Dec. 31, 2013
Other Liabilities Current [Line Items]    
Accrued payroll $ 59.3 $ 63.7
Accrued interest 20.4 23.1
Estimated Litigation Liability, Current 9.0 13.8
Deferred revenue 8.7 9.1
Accrued employee benefits 7.8 9.6
Other Current Liabilities 16.2 14.2
Total other current liabilities $ 121.4 $ 133.5