Consolidated Statements of Operations - USD ($) $ in Millions	3 Months Ended		9 Months Ended
	Mar. 31, 2020	Mar. 31, 2019	Mar. 31, 2020	Mar. 31, 2019
Income Statement [Abstract]
Net revenue	$ 760.6	$ 617.5	$ 2,146.7	$ 1,792.3
Cost of sales	521.8	418.8	1,498.0	1,243.7
Gross margin	238.8	198.7	648.7	548.6
Selling, general, and administrative expenses	136.1	129.9	419.9	368.6
Impairment charges and (gain)/loss on sale of assets	0.6	(0.1)	2.1	2.7
Restructuring and other	1.3	3.1	2.5	12.9
Operating earnings	100.8	65.8	224.2	164.4
Interest expense, net	34.4	26.4	105.6	80.0
Other (income)/expense, net	36.7	(3.2)	37.2	3.9
Earnings from continuing operations, before income taxes	29.7	42.6	81.4	80.5
Income tax expense	8.8	10.9	14.9	14.2
Net earnings/(loss)	20.9	31.7	66.5	66.3
Participating Securities, Distributed and Undistributed Earnings (Loss), Basic	(9.1)	0.0	(27.8)	0.0
Net Income (Loss) Available to Common Stockholders, Basic	$ 11.8	$ 31.7	$ 38.7	$ 66.3
Earnings Per Share, Basic	$ 0.08	$ 0.22	$ 0.26	$ 0.46
Earnings Per Share, Diluted	$ 0.08	$ 0.22	$ 0.26	$ 0.46