Annual report pursuant to Section 13 and 15(d)

Debt - Credit Facility (Details)

v3.10.0.1
Debt - Credit Facility (Details)
1 Months Ended 6 Months Ended 12 Months Ended
Nov. 30, 2017
USD ($)
Nov. 30, 2014
USD ($)
Jun. 30, 2018
USD ($)
Jun. 30, 2018
USD ($)
quarter
Jun. 30, 2017
USD ($)
Jun. 30, 2016
USD ($)
Debt Instrument            
Payment of revolving credit facility       $ 946,250,000 $ 130,000,000 $ 135,000,000
Revolving credit facility            
Debt Instrument            
Maximum borrowing capacity   $ 500,000,000        
Term loans            
Debt Instrument            
Face amount   $ 750,000,000        
Debt instrument, term   5 years        
Line of credit | Revolving credit facility            
Debt Instrument            
Debt instrument, term 5 years          
Maximum borrowing capacity $ 750,000,000.0          
Increase limit to borrowing capacity 250,000,000          
Borrowings under the revolving credit facility $ 250,000,000          
Payment of revolving credit facility     $ 250,000,000      
Commitment fee percentage (in bps)       15.00%    
Covenant compliance, number of consecutive quarters | quarter       4    
Covenant compliance, minimum interest expense coverage ratio       3.50    
Maximum leverage ratio     3.00 3.00    
Minimum leverage ratio under a material acquisition or series of material acquisitions     4.00 4.00    
Line of credit | Revolving credit facility | Minimum            
Debt Instrument            
Commitment fee percentage (in bps)       10.00%    
Line of credit | Revolving credit facility | Maximum            
Debt Instrument            
Commitment fee percentage (in bps)       25.00%    
Line of credit | Revolving credit facility | Alternative base rate | Minimum            
Debt Instrument            
Basis spread on variable rate (in bps)       0.00%    
Line of credit | Revolving credit facility | Alternative base rate | Maximum            
Debt Instrument            
Basis spread on variable rate (in bps)       75.00%    
Line of credit | Revolving credit facility | LIBOR | Minimum            
Debt Instrument            
Basis spread on variable rate (in bps)       100.00%    
Line of credit | Revolving credit facility | LIBOR | Maximum            
Debt Instrument            
Basis spread on variable rate (in bps)       175.00%