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Restructuring and Asset Impairment Charges - Narrative (Details) - USD ($) $ in Millions	3 Months Ended			9 Months Ended		12 Months Ended
	Mar. 31, 2025	Jun. 30, 2024	Mar. 31, 2024	Mar. 31, 2025	Mar. 31, 2024	Jun. 30, 2024
Restructuring Cost and Reserve [Line Items]
Restructuring and asset impairment charges	$ 0.0		$ 0.0	$ 3.6	$ 0.0
Restructuring charges excluding noncash impairments		$ 1.1		1.1		$ 1.1
Business Exit, Oil And Gas \| Performance Engineered Products
Restructuring Cost and Reserve [Line Items]
Tangible asset impairment charges				$ 2.5