Discontinued Operations (Discontinued Operations Related To Securities Clearing Business) (Details) (USD $) In Millions	12 Months Ended
	Jun. 30, 2011	Jun. 30, 2010	Jun. 30, 2009
Discontinued Operations
Revenues	$ 2.9	$ 74.3	$ 76.3
Earnings (loss) from discontinued operations, before net loss on disposal			0.3
Income tax benefit (expense)			(0.1)
Net earnings (loss) from discontinued operations, before loss on disposal			0.2
Loss on disposal of assets of discontinued operations, net of tax benefit	(2.2)	(35.1)
(Loss) earnings from discontinued operations, net of tax benefit (expense)	(2.2)	(35.1)	0.2
Tax benefit of loss on disposal of assets of discontinued operations	$ 1.3	$ 20.2