Other Income, Net (Details) (USD $) In Millions, unless otherwise specified	12 Months Ended
	Jun. 30, 2013	Jun. 30, 2012	Jun. 30, 2011
Other Income, Net
Interest income	$ 0.3	$ 0.9	$ 1.1
Equity in earnings of unconsolidated subsidiaries	1.3	0.6	2.6
Unrealized gains (losses) on company owned life insurance contracts and investments held in rabbi trusts	3.0	(0.4)	2.5
Continued Dumping and Subsidy Offset Act receipts	0.1		2.0
Other	0.4	1.2	0.3
Total other income, net	$ 5.1	$ 2.3	$ 8.5