Summary of Significant Accounting Policies - Narrative (Details) $ in Millions	12 Months Ended
	Jun. 30, 2023 USD ($) reporting_unit facility	Jun. 30, 2022 USD ($)	Jun. 30, 2021 USD ($)
Summary of significant accounting policies
Discounts, rebates, returns and allowances	$ 22.8	$ 25.8	$ 14.4
Research and development expenditures	24.4	20.4	$ 19.7
Inventory accounted under method other than LIFO	$ 133.2	$ 122.9
Number of reporting units | reporting_unit	3
Number of former operating facility site that the liability for future costs is discounted to present value (facility) | facility	1
Liability for future costs discount amortization period	20 years
Environmental expenditures, discount rate	5.00%	3.00%
Environmental Loss Contingency, Statement Of Financial Position Extensible Enumeration Not Disclosed Flag	true	true
Environmental expenditures, liability	$ 10.1	$ 11.2
Performance Engineered Products
Summary of significant accounting policies
Number of reporting units | reporting_unit	2
Minimum | Capitalized software
Summary of significant accounting policies
Estimated useful life	3 years
Minimum | Intangible Assets
Summary of significant accounting policies
Estimated useful life	11 years
Maximum | Capitalized software
Summary of significant accounting policies
Estimated useful life	15 years
Maximum | Intangible Assets
Summary of significant accounting policies
Estimated useful life	30 years