Significant Accounting Policies (Details 6) (USD $) In Millions, unless otherwise specified	12 Months Ended
	Jun. 30, 2014	Jun. 30, 2013	Jun. 30, 2012
Foreign Currency Transactions
Foreign currency transaction and remeasurement losses	$ 2.3	$ 1.2	$ 3.7
Computer software development costs
Computer Software Development Costs
Maximum period over which amortization of computer software development costs provided on a product-by-product basis using straight-line method	3 years
Computer software cost capitalized	0.7	1.2	0.5
Amortization of expense charged to operations	1.0	1.1	1.6
Computer software development accumulated amortization	$ 72.7	$ 71.5
Weighted average remaining useful life of computer software development costs	1 year 10 months 24 days	1 year 2 months 12 days