Restructuring And Employee Severance (Restructuring And Employee Severance Costs) (Details) (USD $) In Millions, unless otherwise specified	3 Months Ended				9 Months Ended
	Mar. 31, 2012		Mar. 31, 2011		Mar. 31, 2012		Mar. 31, 2011
Restructuring Cost and Reserve [Line Items]
Total restructuring and employee severance	$ 7.1	[1]	$ 6.2	[1]	$ 12.2	[1]	$ 10.6	[1]
Employee Related Costs [Member]
Restructuring Cost and Reserve [Line Items]
Total restructuring and employee severance	6.9	[2]	4.3	[2]	10.9	[2]	5.1	[2]
Facility Exit And Other Costs [Member]
Restructuring Cost and Reserve [Line Items]
Total restructuring and employee severance	0.2	[3]	1.9	[3]	1.3	[3]	5.5	[3]
Spin-Off [Member]
Restructuring Cost and Reserve [Line Items]
Total restructuring and employee severance			$ 3.1		$ 0.4		$ 5.1

[1] We incurred restructuring expenses related to the Spin-Off of $0.4 million and $5.1 million for the nine months ended March 31, 2012 and 2011, respectively, and $3.1 million for the three months ended March 31, 2011.

[2] Employee-related costs primarily consist of termination benefits provided to employees who have been involuntarily terminated and duplicate payroll costs during transition periods.

[3] Facility exit and other costs consist of accelerated depreciation, equipment relocation costs, project consulting fees and costs associated with restructuring our delivery of information technology infrastructure services.