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Derivative Instruments - Additional Information (Detail)
1 Months Ended 12 Months Ended
Oct. 27, 2014
USD ($)
Jun. 30, 2014
tranch
Dec. 31, 2015
USD ($)
Oct. 03, 2015
USD ($)
Dec. 31, 2014
USD ($)
Derivative Instruments and Hedging Activities Disclosures [Line Items]          
Interest rate description     Term Loan that accrues interest at a variable rate of LIBOR (subject to a floor of 0.75% per annum) plus a margin of 4.0%.    
Interest rate variable 4.00%        
Net liability position of derivatives       $ 11,000,000 $ 15,000,000
Gain (loss) on accumulated other comprehensive income     $ 0    
Losses on the forward interest rate swaps designated in a hedging relationship expected to be reclassified from accumulated other comprehensive loss into earnings during the next 12 months.     11,000,000    
Floor Rate          
Derivative Instruments and Hedging Activities Disclosures [Line Items]          
Interest rate variable 0.75%        
Term Loan          
Derivative Instruments and Hedging Activities Disclosures [Line Items]          
Total outstanding debt $ 2,200,000,000.0        
Term Loan | Floor Rate          
Derivative Instruments and Hedging Activities Disclosures [Line Items]          
Interest rate variable 4.75%        
Revolving Credit Agreement          
Derivative Instruments and Hedging Activities Disclosures [Line Items]          
Revolving credit facility maximum borrowing capacity $ 250,000,000   $ 250,000,000.0    
Forward Interest Rate Swap Contracts          
Derivative Instruments and Hedging Activities Disclosures [Line Items]          
Derivative, Term of Contract     1 year    
Number of tranches | tranch   2