Accounts Receivable and Allowances for Doubtful Accounts, Returns and Discounts (Tables)

12 Months Ended

Nov. 30, 2012

Accounts Receivable And Allowances For Doubtful Accounts, Returns And Discounts [Abstract]

Schedule Of Accounts Receivable

Accounts receivable, net, by category is as follows (in thousands):

	November 30,
	2012			2011
Accounts receivable	$	220,286		$	182,788
Unbilled fees for professional services	19,420			19,499
	239,706			202,287
Less: Allowances for doubtful accounts, returns and discounts	(5,606		)	(5,868		)
Net accounts receivable	$	234,100		$	196,419

Summary Of Activities In Allowances For Doubtful Accounts, Returns And Discounts

The following is a summary of activities in allowances for doubtful accounts, returns and discounts for the fiscal years indicated (in thousands):

Year Ended November 30,	Allowances Beginning Balance		Charged Against Revenue		Charged to Expenses		Write-offs, Adjustments, Net of Recovery			Allowances Ending Balance
2012	$	5,868	$	1,343	$	559	$	(2,164	)	$	5,606
2011	5,729		650		100		(611		)	5,868
2010	4,224		200		—		1,305			5,729