Revenue - Summary of revenue by geography (Details) - USD ($) $ in Millions	3 Months Ended		9 Months Ended
	Mar. 31, 2022	Mar. 31, 2021	Mar. 31, 2022	Mar. 31, 2021
Disaggregation of Revenue [Line Items]
Consolidated net sales	$ 489.0	$ 351.9	$ 1,272.6	$ 1,054.0
United States
Disaggregation of Revenue [Line Items]
Consolidated net sales	312.7	224.6	813.7	657.5
Europe
Disaggregation of Revenue [Line Items]
Consolidated net sales	71.5	55.5	172.3	184.9
Asia Pacific
Disaggregation of Revenue [Line Items]
Consolidated net sales	56.6	45.6	171.4	132.4
Mexico
Disaggregation of Revenue [Line Items]
Consolidated net sales	24.2	11.0	61.6	34.8
Canada
Disaggregation of Revenue [Line Items]
Consolidated net sales	12.5	9.3	28.4	24.2
Other
Disaggregation of Revenue [Line Items]
Consolidated net sales	$ 11.5	$ 5.9	$ 25.2	$ 20.2