Discontinued Operations (Details)	3 Months Ended		9 Months Ended		3 Months Ended
	May 31, 2013 USD ($)	May 31, 2012 USD ($)	May 31, 2013 USD ($)	May 31, 2012 USD ($)	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		8,550,000		22,210,000
Costs and expenses		(4,346,000)		(12,485,000)
Income from discontinued operations before income taxes		4,204,000		9,725,000
Provision for income taxes		(1,100,000)		(2,543,000)
Income from discontinued operations, net of tax	0	3,104,000	0	7,182,000
Income from discontinued operations, net of tax, attributable to noncontrolling interests		(447,000)		(1,034,000)
Income from discontinued operations, net of tax, attributable to Apollo		$ 2,657,000		$ 6,148,000