Revenue - Summary of Revenues by End-use Markets (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
Aerospace and Defense
Disaggregation of Revenue [Line Items]
Consolidated net sales	356.4	342.1	1,058.4	951.9
Medical
Disaggregation of Revenue [Line Items]
Consolidated net sales	53.0	55.1	151.0	147.6
Transportation
Disaggregation of Revenue [Line Items]
Consolidated net sales	33.5	39.9	111.9	118.0
Energy
Disaggregation of Revenue [Line Items]
Consolidated net sales	32.7	49.0	103.2	136.1
Industrial and Consumer
Disaggregation of Revenue [Line Items]
Consolidated net sales	80.1	87.4	231.4	280.9
Distribution
Disaggregation of Revenue [Line Items]
Consolidated net sales	$ 29.7	$ 36.4	$ 87.9	$ 104.3