Consolidated Statements of Operations - USD ($) $ in Millions		3 Months Ended		6 Months Ended
		Dec. 31, 2018	Dec. 31, 2017	Dec. 31, 2018	Dec. 31, 2017
Income Statement [Abstract]
Net revenue		$ 623.0	$ 606.3	$ 1,174.8	$ 1,150.2
Cost of sales		421.6	418.9	824.9	822.7
Gross margin		201.4	187.4	349.9	327.5
Selling, general, and administrative expenses		123.2	114.8	238.7	222.3
Impairment charges and (gain)/loss on sale of assets		(0.1)	4.2	2.8	4.2
Restructuring and other		0.1	0.1	9.8	1.3
Operating earnings		78.2	68.3	98.6	99.7
Interest expense, net		25.5	27.2	53.6	51.5
Other expense, net	[1]	1.4	13.1	7.1	18.3
Earnings from continuing operations, before income taxes		51.3	28.0	37.9	29.9
Income tax expense		2.3	49.9	3.3	48.0
Net earnings/(loss)		$ 49.0	$ (21.9)	$ 34.6	$ (18.1)
Earnings Per Share, Basic		$ 0.34	$ (0.16)	$ 0.24	$ (0.14)
Earnings Per Share, Diluted		$ 0.33	$ (0.16)	$ 0.24	$ (0.14)

[1] Refer to Note 8, Other Expense for details of financing changes and foreign currency translation adjustments recorded within Other (expense), net.