Summary Of Significant Accounting Policies (Tables)

12 Months Ended

Aug. 31, 2013

Summary Of Significant Accounting Policies [Abstract]

Schedule Of The Change In The Carrying Amount Of Goodwill

Balance as of September 1, 2012	$	289,124
BDNA acquisition		342,000
Foreign currency translation adjustment		(806	)
Balance as of August 31, 2013	$	630,318

Components Of Other Intangible Assets

	Weighted Average Useful Life (in years)		For the Fiscal Years Ended
			August 31, 2013					September 1, 2012
			Gross Carrying Amount		Accumulated Amortization			Gross Carrying Amount		Accumulated Amortization
Customer Relationships		5 - 18	$	175,160	$	(43,998	)	$	68,160	$	(33,826	)
Non-Compete Agreements		2 - 3		1,348		(881	)		1,348		(395	)
Contract Rights		10		23,100		(16,748	)		23,100		(14,437	)
Trademark		1 - 5		3,380		(718	)		480		(273	)
Trademarks		Indefinite		14,681		—			7,055		—
Total			$	217,669	$	(62,345	)	$	100,143	$	(48,931	)

Schedule Of Estimated Amortization Expense

Fiscal Year
2014	$	16,888
2015		16,696
2016		14,421
2017		8,033
2018		7,734