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Indebtedness - Additional Information (Detail) - USD ($)
12 Months Ended
Dec. 20, 2017
Oct. 17, 2017
Apr. 26, 2017
Jan. 04, 2016
Dec. 31, 2017
Dec. 31, 2016
Oct. 16, 2017
Term Loan B              
Debt Instrument [Line Items]              
Loan facility principal amount     $ 545,000,000        
Term Loan B2 Facility              
Debt Instrument [Line Items]              
Debt instrument, maturity date     Apr. 30, 2024        
Revolving Facility | AR Financing Program              
Debt Instrument [Line Items]              
Percentage of transaction fee and interest rate paid         1.23%    
HSBC | AR Financing Program              
Debt Instrument [Line Items]              
Trade receivables as percentage of receivable advance       95.00%      
Percentage of trade receivables to be remitted upon customer cash payments       5.00%      
Accounts receivable outstanding under accounts receivable financing program           $ 0  
Account receivable financing program,Termination date           Jun. 30, 2017  
Second Amendment | Term Loan B2 Facility              
Debt Instrument [Line Items]              
Capitalized financing fees     $ 1,400,000        
Original issuance discount     4,500,000        
Expensed Amount of debt discount costs     4,500,000        
Write off amount of debt discount costs     $ 1,300,000        
Minimum | Term Loan B2 Facility | LIBOR              
Debt Instrument [Line Items]              
Debt instrument, basis spread on variable rate     2.25%        
Minimum | Term Loan B2 Facility | Prime Rate              
Debt Instrument [Line Items]              
Debt instrument, basis spread on variable rate     1.25%        
Maximum | Term Loan B2 Facility | LIBOR              
Debt Instrument [Line Items]              
Debt instrument, basis spread on variable rate     2.50%        
Maximum | Term Loan B2 Facility | Prime Rate              
Debt Instrument [Line Items]              
Debt instrument, basis spread on variable rate     1.50%        
Maximum | HSBC | AR Financing Program              
Debt Instrument [Line Items]              
Trade receivables       $ 50,000,000      
Senior Secured Credit Facilities              
Debt Instrument [Line Items]              
Mandatory payments related to senior secured credit facilities         $ 91,700,000    
Senior Secured Credit Facilities | Term Loan A | LIBOR              
Debt Instrument [Line Items]              
Debt instrument, basis spread on variable rate         1.75%    
Senior Secured Credit Facilities | Revolving Facility | LIBOR              
Debt Instrument [Line Items]              
Debt instrument, basis spread on variable rate [1]         1.75%    
Senior Secured Credit Facilities | Third Amendment              
Debt Instrument [Line Items]              
Cash that can be used to offset indebtedness   $ 500,000,000         $ 200,000,000
Senior Secured Credit Facilities | Third Amendment | Term Loan A              
Debt Instrument [Line Items]              
Debt instrument, maturity date   Oct. 17, 2022          
Senior Secured Credit Facilities | Third Amendment | Revolving Facility              
Debt Instrument [Line Items]              
Debt instrument, maturity date   Oct. 17, 2022          
Senior Secured Credit Facilities | Third Amendment | Refinancing Term Loan A              
Debt Instrument [Line Items]              
Line of credit facility   $ 391,000,000          
Senior Secured Credit Facilities | Third Amendment | Refinancing Term Loan A1 Facility              
Debt Instrument [Line Items]              
Line of credit facility   1,250,000,000          
Senior Secured Credit Facilities | Third Amendment | Refinancing Revolving Credit Facility              
Debt Instrument [Line Items]              
Line of credit facility   $ 500,000,000          
Senior Secured Credit Facilities | Fourth Amendment              
Debt Instrument [Line Items]              
Cash that can be used to offset indebtedness $ 500,000,000            
Senior Secured Credit Facilities | Fourth Amendment | Term Loan B              
Debt Instrument [Line Items]              
Loan facility principal amount $ 542,300,000            
Debt instrument, maturity date Apr. 26, 2024            
Senior Secured Credit Facilities | Minimum | Fourth Amendment | Term Loan B | LIBOR              
Debt Instrument [Line Items]              
Debt instrument, basis spread on variable rate 2.00%            
Senior Secured Credit Facilities | Minimum | Fourth Amendment | Term Loan B | Prime Rate              
Debt Instrument [Line Items]              
Debt instrument, basis spread on variable rate 1.00%            
Senior Secured Credit Facilities | Maximum | Third Amendment              
Debt Instrument [Line Items]              
Consolidated net leverage ratio   400.00%          
Senior Secured Credit Facilities | Maximum | Third Amendment | Fiscal Quarter Ending March 31, 2019              
Debt Instrument [Line Items]              
Consolidated net leverage ratio   375.00%          
Senior Secured Credit Facilities | Maximum | Fourth Amendment | Term Loan B | LIBOR              
Debt Instrument [Line Items]              
Debt instrument, basis spread on variable rate 2.25%            
Senior Secured Credit Facilities | Maximum | Fourth Amendment | Term Loan B | Prime Rate              
Debt Instrument [Line Items]              
Debt instrument, basis spread on variable rate 1.25%            
[1] Includes unused commitment fee of 0.30% and letter of credit fee of 1.75% not reflected in interest rate above.