Goodwill and Other Intangible Assets, Net - Schedule of Other Intangible Assets (Details) - USD ($) $ in Millions	Jun. 30, 2024	Jun. 30, 2023
Other intangible assets
Gross Carrying Amount	$ 100.7	$ 115.7
Accumulated Amortization	(85.5)	(87.0)
Net  Carrying Amount	$ 15.2	28.7
Trademarks and trade names
Other intangible assets
Useful Life (in Years)	30 years
Gross Carrying Amount	$ 29.9	29.9
Accumulated Amortization	(27.3)	(26.3)
Net  Carrying Amount	$ 2.6	3.6
Customer relationships
Other intangible assets
Useful Life (in Years)	15 years
Gross Carrying Amount	$ 70.8	70.8
Accumulated Amortization	(58.2)	(53.5)
Net  Carrying Amount	$ 12.6	17.3
Technology
Other intangible assets
Useful Life (in Years)	11 years
Gross Carrying Amount	$ 0.0	3.6
Accumulated Amortization	0.0	(3.5)
Net  Carrying Amount	$ 0.0	0.1
Patents
Other intangible assets
Useful Life (in Years)	15 years
Gross Carrying Amount	$ 0.0	11.4
Accumulated Amortization	0.0	(3.7)
Net  Carrying Amount	$ 0.0	$ 7.7