Discontinued Operations (Tables)

3 Months Ended

Sep. 30, 2011

Discontinued Operations [Abstract]

Discontinued Operations Related To Securities Clearing Business

	Three Months Ended September 30,
	2011		2010
	($ in millions)
Revenues	$	—	$	0.6
Loss from discontinued operations, before net loss on disposal	$	—	$	—
Income tax benefit		—		—
Net loss from discontinued operations, before loss on disposal		—		—
Net loss on disposal of assets of discontinued operations		—		—
Loss from discontinued operations, net of tax benefit	$	—	$	—