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RESTRUCTURING, DIVESTITURES, AND IMPAIRMENTS - Narrative (Detail)
3 Months Ended 6 Months Ended 12 Months Ended
Sep. 30, 2021
USD ($)
Jun. 30, 2021
USD ($)
Jun. 30, 2020
USD ($)
Mar. 31, 2020
USD ($)
Jun. 30, 2021
USD ($)
Jun. 30, 2020
USD ($)
Dec. 31, 2020
Aug. 04, 2021
USD ($)
Apr. 06, 2020
USD ($)
Restructuring Cost and Reserve [Line Items]                  
Restructuring charges   $ 0 $ 0   $ 0 $ 0      
Loss on sale of business   $ 0 3,800,000   $ 0 $ 62,100,000      
Disposed of by sale | Japan operations                  
Restructuring Cost and Reserve [Line Items]                  
Percentage of revenue in last fiscal period             0.01    
Disposed of by sale | Japan operations | Forecast                  
Restructuring Cost and Reserve [Line Items]                  
Reclassification of accumulated currency translation adjustments to earnings $ (4,000,000.0)                
Disposed of by sale | Subsequent Event | Japan operations                  
Restructuring Cost and Reserve [Line Items]                  
Sale price for transaction               $ 10,000,000.0  
Disposed of by sale | Subsequent Event | Japan operations | Forecast                  
Restructuring Cost and Reserve [Line Items]                  
Loss on sale of business $ 15,000,000.0                
Domestic Environmental Solutions                  
Restructuring Cost and Reserve [Line Items]                  
Sale price for transaction                 $ 462,500,000
Loss on sale of business     $ 3,800,000            
Recognized impairment charge       $ 58,300,000          
Estimated deal costs       $ 10,800,000