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DEBT - Credit Facility (Narrative) (Details)
3 Months Ended 9 Months Ended
Apr. 10, 2017
USD ($)
Dec. 02, 2016
USD ($)
Oct. 31, 2016
USD ($)
Jun. 04, 2015
USD ($)
Mar. 31, 2017
USD ($)
Mar. 31, 2017
USD ($)
Mar. 31, 2016
USD ($)
Line of Credit Facility [Line Items]              
Draws on the Credit Facility           $ 425,000,000 $ 150,000,000
Repaid borrowings under the Credit Facility           $ 57,500,000 $ 100,000,000
Credit Facility              
Line of Credit Facility [Line Items]              
Maximum borrowing capacity       $ 750,000,000.0      
Additional borrowing capacity       $ 250,000,000.0      
Commitment fee (as a percent)           0.125%  
Maximum total leverage ratio       3.00      
Maximum consecutive period for total leverage ratio to exceed limit       12 months      
Minimum consolidated interest coverage ratio       3.00      
Indebtedness or guarantee threshold       $ 30,000,000.0      
Judgment default threshold       $ 30,000,000.0      
Draws on the Credit Facility     $ 50,000,000     $ 425,000,000  
Repaid borrowings under the Credit Facility         $ 57,500,000    
Credit Facility | Minimum              
Line of Credit Facility [Line Items]              
Contractual commitment fee on daily unused amount (as a percent)       0.125%      
Credit Facility | Maximum              
Line of Credit Facility [Line Items]              
Contractual commitment fee on daily unused amount (as a percent)       0.25%      
Credit Facility | Base Rate Loans | Federal funds effective rate              
Line of Credit Facility [Line Items]              
Basis spread on variable rate       0.50%      
Credit Facility | Base Rate Loans | LIBOR              
Line of Credit Facility [Line Items]              
Basis spread on variable rate       1.00%      
Credit Facility | Base Rate Loans | Applicable Rate | Minimum              
Line of Credit Facility [Line Items]              
Basis spread on variable rate       0.125%      
Credit Facility | Base Rate Loans | Applicable Rate | Maximum              
Line of Credit Facility [Line Items]              
Basis spread on variable rate       0.75%      
Credit Facility | Base Rate Loans | Three-month Eurodollar              
Line of Credit Facility [Line Items]              
Interest rate         4.125% 4.125%  
Credit Facility | Eurodollar Loans | Applicable Rate | Minimum              
Line of Credit Facility [Line Items]              
Basis spread on variable rate       1.125%      
Credit Facility | Eurodollar Loans | Applicable Rate | Maximum              
Line of Credit Facility [Line Items]              
Basis spread on variable rate       1.75%      
Credit Facility | Eurodollar Loans | Three-month Eurodollar              
Line of Credit Facility [Line Items]              
Interest rate         2.275% 2.275%  
Standby letters of credit              
Line of Credit Facility [Line Items]              
Maximum borrowing capacity       $ 25,000,000.0      
Swingline loans              
Line of Credit Facility [Line Items]              
Maximum borrowing capacity       $ 75,000,000.0      
Innovatix and Essensa | Credit Facility              
Line of Credit Facility [Line Items]              
Draws on the Credit Facility   $ 325,000,000          
Subsequent Event | Credit Facility              
Line of Credit Facility [Line Items]              
Repaid borrowings under the Credit Facility $ 97,500,000