Divestiture (Details) (USD $) In Millions, unless otherwise specified	3 Months Ended		6 Months Ended
	Dec. 31, 2012	Dec. 31, 2011	Dec. 31, 2012	Dec. 31, 2011	Jun. 30, 2012
Discontinued Operation, Gain (Loss) on Disposal of Discontinued Operation, Net of Tax [Abstract]
Revenues	$ 10.8	$ 12.3	$ 23.7	$ 23.9
Earnings from discontinued operations before income taxes	3.5	3.5	8.0	7.1
Provision for income taxes	1.3	1.3	3.0	2.6
Net earnings from discontinued operations before gain on disposal of discontinued operations	2.2	2.2	5.0	4.5
Gain on disposal of discontinued operations, less costs to sell	58.8	0	58.8	0
Provision of income taxes	22.1	0	22.1	0
Net gain on disposal of discontinued operations	36.7	0	36.7	0
Net earnings from discontinued operations	38.9	2.2	41.7	4.5
Assets of Disposal Group, Including Discontinued Operation [Abstract]
Accounts receivable, net					7.6
Goodwill					93.3
Intangible assets, net					22.9
Other assets					1.2
Total assets					125.0
Liabilities of Disposal Group, Including Discontinued Operation [Abstract]
Accounts payable					0.4
Accrued expenses and other current liabilities					0.1
Accrued payroll and payroll related expenses					2.3
Deferred Revenues					22.7
Deferred Income Taxes					3.5
Total liabilities					$ 29.0