Restructuring Charges (Details) - USD ($) $ in Millions	3 Months Ended		6 Months Ended
	Dec. 31, 2015	Dec. 31, 2014	Dec. 31, 2015	Dec. 31, 2014
Restructuring Reserve [Roll Forward]
Reserve balance, period start			$ 2.3
Cash payments			(1.3)
Restructuring charges	$ 0.0	$ 0.0	0.4	$ 0.0
Other			(0.4)
Reserve balance, period end	$ 1.0		$ 1.0