RESTRUCTURING CHARGES - Additional Information (Details) - USD ($) $ in Millions  | 
12 Months Ended | |
|---|---|---|
Jun. 30, 2021  | 
Jun. 30, 2020  | 
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| Restructuring and Related Activities [Abstract] | ||
| Restructuring charges | $ 12.4 | $ 7.7 | 
| Accelerated depreciation charges | 3.9 | |
| Restructuring reserve | $ 3.3 | $ 5.7 | 
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- References No definition available. 
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| X | ||||||||||
- Definition Amount of expenses associated with exit or disposal activities pursuant to an authorized plan. Excludes expenses related to a discontinued operation or an asset retirement obligation. Reference 1: http://www.xbrl.org/2009/role/commonPracticeRef 
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| X | ||||||||||
- Definition Carrying amount (including both current and noncurrent portions of the accrual) as of the balance sheet date pertaining to a specified type of cost associated with exit from or disposal of business activities or restructuring pursuant to a duly authorized plan. Reference 1: http://www.xbrl.org/2003/role/disclosureRef 
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| X | ||||||||||
- Definition Amount of accelerated depreciation charged against earnings associated with exit from or disposal of business activities or restructuring plan. No definition available. 
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