Income Taxes (Tables)

9 Months Ended

Apr. 28, 2012

Income Taxes [Abstract]

Schedule Of Income Tax Details

	Three Months Ended						Nine Months Ended
	April 28, 2012			April 30, 2011			April 28, 2012			April 30, 2011
Income before provision for income taxes	$	2,779		$	2,203		$	7,773		$	6,358
Provision for income taxes	$	614		$	396		$	1,649		$	1,100
Effective tax rate		22.1	%		18.0	%		21.2	%		17.3	%