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Long-Term Debt (Additional Information) (Detail)
3 Months Ended 6 Months Ended
Dec. 23, 2013
USD ($)
Dec. 06, 2013
USD ($)
May 13, 2011
USD ($)
Jun. 30, 2017
USD ($)
Jun. 30, 2016
USD ($)
Jun. 30, 2017
USD ($)
Jun. 30, 2016
USD ($)
Dec. 31, 2016
USD ($)
Line of Credit Facility [Line Items]                
Interest rate       7.75%   7.75%   7.75%
Senior Notes issued     $ 610,000,000.0          
Amount repaid under outstanding term loan facility     $ 575,800,000          
Percentage of Senior Notes to be redeemed     100.00%          
Amortization of debt issuance costs and discounts       $ 2,500,000 $ 2,400,000 $ 5,055,000 $ 4,860,000  
7.75% senior notes:                
Line of Credit Facility [Line Items]                
Springing maturity period threshold 91 days              
Interest rate     7.75% 7.75%   7.75%   7.75%
Amended and Restated Credit Agreement | Line of Credit                
Line of Credit Facility [Line Items]                
Term loan $ 2,025,000,000.000              
Interest rate 2.00%              
Basis spread on LIBOR/base rate 1.00%              
Amortization rate per annum 1.00%              
Interest rate per annum       4.30%   4.30%    
Amount outstanding       $ 1,810,000,000   $ 1,810,000,000   $ 1,810,000,000
Percentage ownership of capital stock of any future first-tier foreign subsidiaries 66.00%              
Amended and Restated Credit Agreement | Line of Credit | Maximum                
Line of Credit Facility [Line Items]                
Consolidated net leverage ratio       4.5   4.5    
Amended and Restated Credit Agreement | Line of Credit | Minimum                
Line of Credit Facility [Line Items]                
Consolidated net leverage ratio       4.0   4.0    
Amended and Restated Credit Agreement | Line of Credit | LIBOR                
Line of Credit Facility [Line Items]                
Basis spread on LIBOR/base rate 3.25%              
Amended and Restated Credit Agreement | Line of Credit | LIBOR | Minimum                
Line of Credit Facility [Line Items]                
Interest rate 1.00%              
Amended and Restated Credit Agreement | Line of Credit | Base Rate                
Line of Credit Facility [Line Items]                
Basis spread on LIBOR/base rate 2.25%              
Amended and Restated Credit Agreement | Line of Credit | Federal Funds Rate                
Line of Credit Facility [Line Items]                
Basis spread on LIBOR/base rate 0.50%              
Amended and Restated Credit Agreement | Securitization facility                
Line of Credit Facility [Line Items]                
Term loan $ 200,000,000.0              
Unused capacity, commitment fee rate           0.50%    
Amount outstanding       $ 0   $ 0   0
Amended and Restated Credit Agreement | Letter of Credit                
Line of Credit Facility [Line Items]                
Term loan $ 30,000,000.0              
Securitization Facility | Accounts Receivable Securitization Facility                
Line of Credit Facility [Line Items]                
Term loan   $ 50,000,000.0            
Amount outstanding       $ 0   $ 0   $ 0
Term of revolving accounts receivable securitization facility   5 years            
Securitization Facility | Accounts Receivable Securitization Facility | LIBOR                
Line of Credit Facility [Line Items]                
Basis spread on LIBOR/base rate   2.50%            
Securitization Facility | Accounts Receivable Securitization Facility | Index Rate                
Line of Credit Facility [Line Items]                
Basis spread on LIBOR/base rate   1.00%