Intangible Assets (Tables)

12 Months Ended

Aug. 31, 2011

Intangible Assets [Abstract]

Schedule Of Intangible Assets

At August 31, 2011	Gross Carrying Amount		Accumulated Amortization		Net Carrying Amount
Data content	$	52,438	$	16,849	$	35,589
Client relationships		21,088		12,782		8,306
Software technology		19,093		18,222		871
Non-compete agreements		1,750		437		1,313
Trade names		572		341		231
Total	$	94,941	$	48,631	$	46,310

At August 31, 2010	Gross Carrying Amount		Accumulated Amortization		Net Carrying Amount
Data content	$	49,278	$	11,907	$	37,371
Client relationships		20,348		9,776		10,572
Software technology		18,575		16,386		2,189
Non-compete agreements		1,813		150		1,663
Trade names		571		187		384
Total	$	90,585	$	38,406	$	52,179

Schedule Of Intangible Assets Acquired

	Weighted Average Amortization  Period		Acquisition Cost
Data content		5.0 years	$	8,070
Client relationships		9.0 years		6,990
Non-compete agreements		5.0 years		1,750
Trade name		3.0 years		380
Total		6.6 years	$	17,190

Schedule Of Estimated Intangible Asset Amortization Expense

Fiscal Year	Estimated Amortization Expense
2012	$	7,431
2013		5,919
2014		4,839
2015		4,126
2016		2,634
Thereafter		21,361
Total	$	46,310