Earnings Per Share Calculations of Earnings Per Share (Details) - USD ($) $ / shares in Units, $ in Millions	3 Months Ended								12 Months Ended
	Jun. 30, 2015	Mar. 31, 2015	Dec. 31, 2014	Sep. 30, 2014	Jun. 30, 2014	Mar. 31, 2014	Dec. 31, 2013	Sep. 30, 2013	Jun. 30, 2015	Jun. 30, 2014	Jun. 30, 2013
Earnings Per Share [Abstract]
Income (Loss) from Continuing Operations Attributable to Parent	$ 153.8	$ 31.5	$ 46.7	$ (19.9)	$ 27.2	$ 8.4	$ (18.6)	$ 1.9	$ 212.1	$ 18.9	$ (50.8)
Net earnings/(loss) from discontinued operations, net of tax	(0.1)	0.0	(0.2)	0.4	0.0	(1.7)	(0.6)	(0.4)	0.1	(2.7)	1.2
Net Income (Loss) Attributable to Parent	$ 153.7	$ 31.5	$ 46.5	$ (19.5)	$ 27.2	$ 6.7	$ (19.2)	$ 1.5	$ 212.2	$ 16.2	$ (49.6)
Weighted Average Number of Shares Outstanding, Basic									119,575,568	75,045,147	74,970,628
Weighted Average Number Diluted Shares Outstanding Adjustment									1,773,068	1,078,710	0
Weighted Average Number of Shares Outstanding, Diluted									121,348,636	76,123,857	74,970,628
Income (Loss) from Continuing Operations, Per Basic Share	$ 1.23	$ 0.25	$ 0.38	$ (0.19)	$ 0.36	$ 0.11	$ (0.25)	$ 0.03	$ 1.77	$ 0.25	$ (0.68)
Income (Loss) from Discontinued Operations and Disposal of Discontinued Operations, Net of Tax, Per Basic Share									0.00	(0.03)	0.02
Earnings Per Share, Basic	1.23	0.25	0.37	(0.18)	0.36	0.09	(0.26)	0.02	1.77	0.22	(0.66)
Income (Loss) from Continuing Operations, Per Diluted Share	1.22	0.25	0.37	(0.19)	(0.36)	0.11	(0.25)	0.02	1.75	0.25	(0.68)
Income (Loss) from Discontinued Operations and Disposal of Discontinued Operations, Net of Tax, Per Diluted Share									0.00	(0.04)	0.02
Earnings Per Share, Diluted	$ 1.22	$ 0.25	$ 0.37	$ (0.18)	$ (0.36)	$ 0.09	$ (0.26)	$ 0.02	$ 1.75	$ 0.21	$ (0.66)