XML 45 R34.htm IDEA: XBRL DOCUMENT v3.5.0.2
Fair Value Measurements - Additional Information (Detail) - USD ($)
Sep. 30, 2016
Dec. 31, 2015
Sep. 30, 2015
Aug. 13, 2015
Fair Value, Balance Sheet Grouping, Financial Statement Captions [Line Items]        
Fair value measurements assets, significant transfers from level 1 to level 2 $ 0   $ 0  
Fair value measurements assets, significant transfers from level 2 to level 1 0   0  
Fair value measurements liabilities, significant transfers from level 1 to level 2 0   0  
Fair value measurements liabilities, significant transfers from level 2 to level 1 0   $ 0  
Senior term loans [Member]        
Fair Value, Balance Sheet Grouping, Financial Statement Captions [Line Items]        
Estimated fair value of senior loans 855,800,000 $ 878,600,000    
Senior term loans 856,700,000 877,900,000    
5.00% Senior Notes [Member]        
Fair Value, Balance Sheet Grouping, Financial Statement Captions [Line Items]        
Estimated fair value of senior loans $ 853,500,000 $ 802,600,000    
Interest rate of long-term debt 5.00% 5.00%    
Senior notes $ 790,100,000 $ 789,100,000    
5.00% Senior Notes [Member] | Senior Notes [Member]        
Fair Value, Balance Sheet Grouping, Financial Statement Captions [Line Items]        
Interest rate of long-term debt 5.00% 5.00%    
4.875% Senior Notes [Member]        
Fair Value, Balance Sheet Grouping, Financial Statement Captions [Line Items]        
Estimated fair value of senior loans $ 638,000,000 $ 598,800,000    
Interest rate of long-term debt 4.875% 4.875%    
Senior notes $ 591,000,000 $ 590,500,000    
4.875% Senior Notes [Member] | Senior Notes [Member]        
Fair Value, Balance Sheet Grouping, Financial Statement Captions [Line Items]        
Interest rate of long-term debt 4.875% 4.875%   4.875%
5.25% Senior Notes [Member]        
Fair Value, Balance Sheet Grouping, Financial Statement Captions [Line Items]        
Estimated fair value of senior loans $ 458,100,000 $ 430,400,000    
Interest rate of long-term debt 5.25% 5.25%    
Senior notes $ 422,100,000 $ 422,000,000    
5.25% Senior Notes [Member] | Senior Notes [Member]        
Fair Value, Balance Sheet Grouping, Financial Statement Captions [Line Items]        
Interest rate of long-term debt 5.25% 5.25%    
Senior notes $ 426,545,000 $ 426,682,000