Quarterly report pursuant to Section 13 or 15(d)

Debt - Credit Facility (Details)

v3.8.0.1
Debt - Credit Facility (Details)
1 Months Ended 3 Months Ended
Nov. 30, 2014
USD ($)
Sep. 30, 2017
USD ($)
quarter
Sep. 30, 2016
USD ($)
Jun. 30, 2017
USD ($)
Debt Instrument        
Repayment of debt   $ 156,250,000 $ 40,000,000  
Remaining term loan balance   $ 2,790,000,000   $ 2,946,250,000
Revolving credit facility        
Debt Instrument        
Maximum borrowing capacity $ 500,000,000      
Commitment fee percentage (in bps)   0.15%    
Revolving credit facility | Minimum        
Debt Instrument        
Commitment fee percentage (in bps)   0.10%    
Revolving credit facility | Maximum        
Debt Instrument        
Commitment fee percentage (in bps)   0.25%    
Term loans and revolving credit facility        
Debt Instrument        
Covenant compliance, number of consecutive quarters | quarter   4    
Covenant compliance, minimum interest expense coverage ratio   3.50    
Maximum leverage ratio   3.00    
Credit facility, amount outstanding   $ 0    
Term loans and revolving credit facility | LIBOR        
Debt Instrument        
Basis spread on variable rate (in bps)   1.25%    
Term loans and revolving credit facility | LIBOR | Minimum        
Debt Instrument        
Basis spread on variable rate (in bps)   1.00%    
Term loans and revolving credit facility | LIBOR | Maximum        
Debt Instrument        
Basis spread on variable rate (in bps)   1.75%    
Term loans        
Debt Instrument        
Face amount $ 750,000,000      
Debt instrument, term 5 years      
Repayment of debt   $ 156,300,000    
Remaining term loan balance   $ 290,000,000   $ 446,250,000