Income Taxes (Details) - USD ($) $ in Millions	12 Months Ended
	Jun. 30, 2015	Jun. 30, 2014	Jun. 30, 2013
Income from continuing operations before income taxes for the Company's domestic and foreign operations
Domestic	$ 64.3	$ 178.6	$ 198.0
Foreign	24.8	17.8	18.8
Income before income taxes	89.1	196.4	216.8
Provision (benefit) for income taxes from continuing operations
Federal, current	(39.3)	61.3	49.7
State, current	1.2	6.5	5.9
Foreign, current	8.1	5.5	5.3
Total current	(30.0)	73.3	60.9
Federal, deferred	60.2	(8.0)	7.8
State, deferred	0.1	(1.4)	2.5
Foreign, deferred	0.1	(0.3)	(0.9)
Total deferred	60.4	(9.7)	9.4
Total income tax expense	$ 30.4	$ 63.6	$ 70.3