Significant Accounting Policies (Details 8) - Computer Software Development Costs - USD ($) $ in Millions	12 Months Ended
	Jun. 30, 2015	Jun. 30, 2014	Jun. 30, 2013
Computer Software Development Costs for Internal Use
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	$ 0.4	$ 0.7	$ 1.2
Amortization of expense charged to operations	0.7	1.0	$ 1.1
Computer software development accumulated amortization	$ 73.3	$ 72.7
Weighted average remaining useful life of computer software development costs	1 year 1 month 6 days	1 year 10 months 24 days