Business Segments - Schedule of Long Lived Assets (Details) - USD ($) $ in Millions	Sep. 30, 2025	Jun. 30, 2025
Segment Reporting Information [Line Items]
Consolidated long-lived assets	$ 1,372.9	$ 1,359.4
United States
Segment Reporting Information [Line Items]
Consolidated long-lived assets	1,368.3	1,354.4
Europe
Segment Reporting Information [Line Items]
Consolidated long-lived assets	2.8	3.0
Mexico
Segment Reporting Information [Line Items]
Consolidated long-lived assets	1.1	1.2
Asia Pacific
Segment Reporting Information [Line Items]
Consolidated long-lived assets	0.4	0.4
Canada
Segment Reporting Information [Line Items]
Consolidated long-lived assets	$ 0.3	$ 0.4