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BORROWINGS (Details)
 1 Months Ended 12 Months Ended
Dec. 31, 2021
USD ($)
Jun. 30, 2022
USD ($)
D
$ / shares
Jun. 30, 2021
USD ($)
Jun. 30, 2020
USD ($)
Jul. 01, 2021
USD ($)
Feb. 28, 2017
USD ($)
Borrowings            
Borrowings outstanding   $ 60,000,000        
Increase to retained earnings   663,869,000 $ 548,842,000      
Reduction in common stock   17,000 105,724,000      
ASU 2020-06 | Cumulative effect period of adoption, adjustment            
Borrowings            
Liability component of convertible debt         $ 10,000,000  
Increase to retained earnings         19,000,000  
Reduction in common stock         27,000,000  
Revolving credit facility            
Borrowings            
Maximum borrowing capacity $ 600,000,000          
Credit facility under term loan 150,000,000 $ 100,000,000        
Unused commitment fee (as a percent)   0.10%        
Borrowings outstanding   $ 60,000,000.0        
Available credit facility   $ 461,500,000        
Revolving credit facility | Minimum            
Borrowings            
Maximum borrowing capacity 535,000,000          
Unused commitment fee (as a percent)   0.10%        
Revolving credit facility | Maximum            
Borrowings            
Maximum borrowing capacity 750,000,000          
Increase in the credit agreement's borrowing capacity available under certain circumstances 250,000,000          
Unused commitment fee (as a percent)   0.25%        
Revolving credit facility | LIBOR            
Borrowings            
Interest rate margin (as a percent)   1.00%        
Revolving credit facility | LIBOR | Minimum            
Borrowings            
Interest rate margin (as a percent)   1.00%        
Revolving credit facility | LIBOR | Maximum            
Borrowings            
Interest rate margin (as a percent)   1.75%        
Letters of credit sub facility            
Borrowings            
Maximum borrowing capacity $ 300,000,000          
Amount outstanding under lines of credit facilities   $ 78,500,000        
1.25% Convertible Senior Notes Due 2022            
Borrowings            
Principal amount   $ 287,500,000       $ 287,500,000
Interest rate (as a percentage)   1.25%        
Conversion ratio   9.3056        
Principal amounts   $ 1,000        
Conversion price | $ / shares   $ 107.46        
Premium on stock price   38.50%        
Threshold percentage of stock price   130.00%        
Number of trading days | D   20        
Number of consecutive trading days | D   30        
Principal amount of the notes to be repurchased (as a percentage)   100.00%        
Liability component of convertible debt   $ 242,400,000        
Equity component of convertible debt   45,100,000        
Debt Component of debt issuance costs   6,500,000        
Equity component of debt issuance costs   1,200,000        
Total interest expense   4,700,000 13,400,000 $ 13,000,000.0    
Contractual interest expense   3,500,000 3,600,000 3,600,000    
Amortization of debt discount   1,200,000 8,600,000 8,200,000    
Amortization of debt issuance costs     1,200,000 $ 1,200,000    
Unamortized debt discount     10,494,000      
Unamortized debt issuance costs   200,000 $ 1,400,000      
Principal value of notes repurchased and cancelled   45,200,000        
Debt issuance costs   7,700,000        
Loss on debt extinguishment   100,000        
1.25% Convertible Senior Notes Due 2022 | ASU 2020-06 | Cumulative effect period of adoption, adjustment            
Borrowings            
Liability component of convertible debt         10,000,000  
Increase to retained earnings         19,000,000  
Reduction in common stock         $ 27,000,000  
Bank lines-of-credit            
Borrowings            
Amount outstanding under lines of credit facilities   60,000,000.0        
Available credit facility   9,600,000        
Term Loan            
Borrowings            
Borrowings outstanding   $ 50,000,000