Discontinued Operations (Details)	3 Months Ended
	Nov. 30, 2012 USD ($)	Nov. 30, 2011 USD ($)	Aug. 31, 2012 Mander Portman Woodward [Member] USD ($)	Aug. 31, 2012 Mander Portman Woodward [Member] GBP (£)
Discontinued Operations [Line Items]
Proceeds from disposition			$ 85,300,000	£ 54,800,000
Net revenue		6,790,000
Costs and expenses		(3,889,000)
Income from discontinued operations before income taxes		2,901,000
Provision for income taxes		(753,000)
Income from discontinued operations, net of tax	0	2,148,000
Income from discontinued operations, net of tax, attributable to noncontrolling interests		(309,000)
Income from discontinued operations, net of tax, attributable to Apollo		$ 1,839,000