Net Income Per Share (Tables)

6 Months Ended

Feb. 28, 2015

Net Income Per Share [Abstract]

Basic And Diluted Net Income Per Common Share Under The Two-Class Method

	Thirteen Weeks Ended				Twenty-Six Weeks Ended
	February 28,		March 1,		February 28,		March 1,
	2015		2014		2015		2014
Net income as reported	$	51,527	$	49,512	$	108,944	$	108,558
Less: Distributed net income available to participating securities		(115)		(116)		(1,348)		(248)
Less: Undistributed net income available to participating securities		(182)		(221)		—		(514)
Numerator for basic net income per share:
Undistributed and distributed net income available to common shareholders	$	51,230	$	49,175	$	107,596	$	107,796
Add: Undistributed net income allocated to participating securities		182		221		—		514
Less: Undistributed net income reallocated to participating securities		(182)		(220)		—		(512)
Numerator for diluted  net income per share:
Undistributed and distributed net income available to common shareholders	$	51,230	$	49,176	$	107,596	$	107,798
Denominator:
Weighted average shares outstanding for basic net income per share		61,351		61,743		61,298		62,258
Effect of dilutive securities		215		307		256		306
Weighted average shares outstanding for diluted net income per share		61,566		62,050		61,554		62,564
Net income per share Two-class method:
Basic	$	0.84	$	0.80	$	1.76	$	1.73
Diluted	$	0.83	$	0.79	$	1.75	$	1.72