Quarterly report pursuant to Section 13 or 15(d)

Debt - Credit Facility (Details)

v3.3.1.900
Debt - Credit Facility (Details)
1 Months Ended 3 Months Ended 6 Months Ended
Nov. 30, 2014
USD ($)
Dec. 31, 2015
USD ($)
Dec. 31, 2015
USD ($)
quarter
Debt Instrument      
Principle prepayments on term loans   $ 61,300,000 $ 61,300,000
Revolving credit facility      
Debt Instrument      
Maximum borrowing capacity $ 500,000,000    
Annual commitment fee on daily undrawn balance of revolving credit facility     0.15%
Revolving credit facility | Minimum      
Debt Instrument      
Annual commitment fee on daily undrawn balance of revolving credit facility     0.10%
Revolving credit facility | Maximum      
Debt Instrument      
Annual commitment fee on daily undrawn balance of revolving credit facility     0.25%
Term loans and revolving credit facility      
Debt Instrument      
Number of consecutive quarters required to maintain ratio | quarter     4
Minimum interest expense coverage ratio     3.50
Credit facility, amount outstanding   0 $ 0
Term loans and revolving credit facility | Covenant Compliance Period 1      
Debt Instrument      
Number of consecutive quarters required to maintain ratio | quarter     4
Term loans and revolving credit facility | December 31, 2015      
Debt Instrument      
Maximum leverage ratio     4.00
Term loans and revolving credit facility | March 31, 2016 through September 30, 2016      
Debt Instrument      
Maximum leverage ratio     3.75
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     1.25%
Term loans and revolving credit facility | LIBOR | Minimum      
Debt Instrument      
Basis spread on variable rate     1.00%
Term loans and revolving credit facility | LIBOR | Maximum      
Debt Instrument      
Basis spread on variable rate     1.75%
Term loans      
Debt Instrument      
Principal amount $ 750,000,000    
Term of debt instrument 5 years    
Early repayment of senior debt   $ 20,000,000  
Term loans | March 31, 2016 through December 31, 2016      
Debt Instrument      
Periodic principal payment     $ 9,375,000
Term loans | March 31, 2017 through December 31, 2017      
Debt Instrument      
Periodic principal payment     14,063,000
Term loans | March 31, 2018 through September 30, 2019      
Debt Instrument      
Periodic principal payment     18,750,000
Term loans | December 31, 2019      
Debt Instrument      
Periodic principal payment     $ 487,500,000