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BASIS OF PRESENTATION (Details) - USD ($)
$ in Thousands
 12 Months Ended
Jul. 01, 2020
Jun. 30, 2020
Jun. 30, 2019
Mar. 31, 2021
Dec. 31, 2020
Sep. 30, 2020
Mar. 31, 2020
Dec. 31, 2019
Sep. 30, 2019
New Accounting Pronouncements or Change in Accounting Principle [Line Items]                  
Cumulative effect of adoption of accounting standard   $ 1,443,554 $ 1,519,319 $ 1,501,682 $ 1,454,649 $ 1,436,581 $ 1,439,048 $ 1,521,083 $ 1,470,938
Accounting Standards Update us-gaap:AccountingStandardsUpdate201613Member us-gaap:AccountingStandardsUpdate201613Member us-gaap:AccountingStandardsUpdate201602Member            
Retained Earnings                  
New Accounting Pronouncements or Change in Accounting Principle [Line Items]                  
Cumulative effect of adoption of accounting standard   $ 614,171 $ 695,017 $ 650,740 $ 616,486 $ 614,346 $ 610,932 $ 586,593 $ 587,557
Cumulative Effect, Period of Adoption, Adjustment                  
New Accounting Pronouncements or Change in Accounting Principle [Line Items]                  
Cumulative effect of adoption of accounting standard   (310) (439)            
Cumulative Effect, Period of Adoption, Adjustment | Retained Earnings                  
New Accounting Pronouncements or Change in Accounting Principle [Line Items]                  
Cumulative effect of adoption of accounting standard   $ (310) $ (439)