Condensed Consolidated Statements of Comprehensive Income (Unaudited) (Parenthetical) (USD $) In Millions, unless otherwise specified	3 Months Ended
	Sep. 30, 2014	Sep. 30, 2013
Unrealized gain (loss) on derivatives designated and qualified as cash flow hedges, Tax expense (benefit)	$ 0.9	$ (0.4)
Reclassification of unrealized loss on expired derivatives designated and qualified as cash flow hedges, Tax benefit	0.2	0.3
Unrecognized net pension and other postretirement benefit gain (loss), Tax expense (benefit)	1.3	(0.7)
Reclassification of net pension and other postretirement benefit loss, Tax benefit	0.4	0.2
Foreign currency translation adjustments, Tax (benefit) expense	$ (3.3)	$ 1.4