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Restructuring and Asset Impairment Charges - Narrative (Details) - USD ($)
$ in Millions
3 Months Ended 6 Months Ended
Dec. 31, 2021
Dec. 31, 2020
Sep. 30, 2020
Dec. 31, 2021
Dec. 31, 2020
Restructuring Cost and Reserve [Line Items]          
Restructuring and asset impairment charges $ 0.0 $ 0.0   $ 0.0 $ 10.0
Performance Engineered Products          
Restructuring Cost and Reserve [Line Items]          
Asset impairment charges     $ 8.7    
Severance costs     $ 1.3