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LONG-TERM DEBT - Senior Notes (Details)
Jan. 31, 2020
USD ($)
Feb. 11, 2019
USD ($)
Jul. 15, 2011
EUR (€)
2019 Credit Agreement      
Debt Instrument [Line Items]      
Debt issued   $ 700,000,000.0  
Senior Notes | Senior Notes due 2027      
Debt Instrument [Line Items]      
Debt issued   $ 500,000,000.0  
Interest of senior notes   6.50%  
Debt issuance costs $ 2,600,000    
Senior Notes | Senior Notes due 2021      
Debt Instrument [Line Items]      
Debt issued | €     € 200,000,000.0
Interest of senior notes     7.375%