Revenue - Summary of Revenue by Geography (Details) - USD ($) $ in Millions	3 Months Ended		9 Months Ended
	Mar. 31, 2020	Mar. 31, 2019	Mar. 31, 2020	Mar. 31, 2019
Disaggregation of Revenue [Line Items]
Consolidated net sales	$ 585.4	$ 609.9	$ 1,743.8	$ 1,738.8
United States
Disaggregation of Revenue [Line Items]
Consolidated net sales	367.7	414.1	1,123.6	1,183.3
Europe
Disaggregation of Revenue [Line Items]
Consolidated net sales	109.5	97.7	304.7	270.9
Asia Pacific
Disaggregation of Revenue [Line Items]
Consolidated net sales	62.6	47.1	183.7	139.4
Mexico
Disaggregation of Revenue [Line Items]
Consolidated net sales	17.8	22.7	55.3	65.4
Canada
Disaggregation of Revenue [Line Items]
Consolidated net sales	15.1	17.5	44.4	50.2
Other
Disaggregation of Revenue [Line Items]
Consolidated net sales	$ 12.7	$ 10.8	$ 32.1	$ 29.6