Quarterly report pursuant to Section 13 or 15(d)

Debt - Credit Facility (Details)

v3.6.0.2
Debt - Credit Facility (Details)
1 Months Ended 3 Months Ended 6 Months Ended
Nov. 30, 2014
USD ($)
Dec. 31, 2016
USD ($)
Dec. 31, 2016
USD ($)
quarter
Dec. 31, 2015
USD ($)
Debt Instrument        
Repayment of debt     $ 80,000,000 $ 60,000,000
Principal prepayments on term loans, net of quarterly payments   $ 178,800,000 $ 178,800,000  
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  
Credit facility, amount outstanding   0 $ 0  
Term loans and revolving credit facility | December 31, 2016 and March 31, 2017        
Debt Instrument        
Maximum leverage ratio     3.50  
Term loans and revolving credit facility | Thereafter        
Debt Instrument        
Maximum leverage ratio     3.00  
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 (in years) 5 years      
Repayment of debt   $ 40,000,000    
Term loans | March 31, 2017 through December 31, 2017        
Debt Instrument        
Quarterly payment, principal     $ 14,063,000  
Term loans | March 31, 2018 through September 30, 2019        
Debt Instrument        
Quarterly payment, principal     18,750,000  
Term loans | December 31, 2019        
Debt Instrument        
Quarterly payment, principal     $ 487,500,000  
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%