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FINANCING ARRANGEMENTS - Revolving Credit Facility (Details) - USD ($)
1 Months Ended
Jul. 31, 2020
Mar. 31, 2022
Dec. 31, 2021
May 30, 2019
2021 Second Amended Credit Agreement        
Debt Instrument [Line Items]        
Aggregate principal amount $ 225,000,000      
Debt collateral, percentage of outstanding capital stock, domestic subsidiaries   100.00%    
Debt collateral, percentage of outstanding capital stock, first-tier foreign subsidiaries   65.00%    
Amount of borrowings   $ 100,000,000 $ 100,000,000  
Outstanding letters of credit   25,000,000 $ 25,800,000  
2021 Second Amended Credit Agreement | Minimum        
Debt Instrument [Line Items]        
Commitment fee percentage, daily amount of unused commitments 0.25%      
2021 Second Amended Credit Agreement | Maximum        
Debt Instrument [Line Items]        
Commitment fee percentage, daily amount of unused commitments 0.35%      
2021 Second Amended Credit Agreement | LIBOR | Minimum        
Debt Instrument [Line Items]        
Basis spread on variable rate 0.50%      
2021 Second Amended Credit Agreement | LIBOR | Maximum        
Debt Instrument [Line Items]        
Basis spread on variable rate 2.00%      
Revolving Credit Facility | 2019 Credit Agreement        
Debt Instrument [Line Items]        
Aggregate principal amount       $ 400,000,000
Revolving Credit Facility | 2021 Second Amended Credit Agreement        
Debt Instrument [Line Items]        
Debt issuance costs   3,500,000    
Minimum liquidity required under debt agreement   $ 250,000,000    
Letter of Credit | 2021 Second Amended Credit Agreement        
Debt Instrument [Line Items]        
Aggregate principal amount $ 75,000,000