Quarterly Financial Data - Unaudited (Details) - USD ($) $ / shares in Units, $ in Millions	3 Months Ended								12 Months Ended
	Jun. 30, 2017	Mar. 31, 2017	Dec. 31, 2016	Sep. 30, 2016	Jun. 30, 2016	Mar. 31, 2016	Dec. 31, 2015	Sep. 30, 2015	Jun. 30, 2017	Jun. 30, 2016	Jun. 30, 2015
Quarterly Financial Information Disclosure [Abstract]
Net revenue	$ 616.9	$ 532.6	$ 483.7	$ 442.2	$ 532.2	$ 438.0	$ 454.9	$ 423.0	$ 2,075.4	$ 1,848.1	$ 1,830.8
Gross Profit	215.2	167.4	147.9	124.1	187.8	126.2	152.1	121.5	654.6	587.6	615.3
Net Income (Loss) Attributable to Parent	$ 61.8	$ 26.0	$ 17.4	$ 4.6	$ 58.1	$ 10.7	$ 30.8	$ 11.9	$ 109.8	$ 111.5	$ 212.2
Earnings Per Share, Basic	$ 0.49	$ 0.21	$ 0.14	$ 0.04	$ 0.47	$ 0.09	$ 0.25	$ 0.10	$ 0.88	$ 0.89	$ 1.77
Earnings Per Share, Diluted	$ 0.49	$ 0.21	$ 0.14	$ 0.04	$ 0.46	$ 0.09	$ 0.24	$ 0.09	$ 0.87	$ 0.89	$ 1.75