CONSOLIDATED STATEMENTS OF SHAREHOLDERS' EQUITY AND COMPREHENSIVE INCOME (USD $) In Thousands	Class A Common Stock	Class B Common Stock	Retained Earnings	Accumulated Other Comprehensive Income (Loss)	Treasury Stock	Total
Balance at Jul. 30, 2011	$ 35,385	$ 1,035	$ 187,686	$ (11,142)	$ (4,807)	$ 208,157
Balance - Shares at Jul. 30, 2011	7,833	6,376			530
Net income			31,445			31,445
Other comprehensive income (loss), net of tax				(4,332)		(4,332)
Dividends			(9,758)			(9,758)
Exercise of stock options	723				630	1,353
Exercise of stock options - shares					(69)
Treasury stock purchases					(9)	(9)
Share-based compensation expense	3,180					3,180
Share-based compensation expense - shares	9
Excess tax benefits from exercise of stock options and restricted share vesting	275					275
Conversion of Class B shares to Class A shares	7	(7)
Conversion of Class B shares to Class A shares - shares	41	(41)
Balance at Jul. 28, 2012	39,570	1,028	209,373	(15,474)	(4,186)	230,311
Balance - Shares at Jul. 28, 2012	7,883	6,335			461
Net income			25,784			25,784
Other comprehensive income (loss), net of tax				7,007		7,007
Dividends			(24,048)			(24,048)
Exercise of stock options	957				785	1,742
Exercise of stock options - shares					(86)
Share-based compensation expense	3,222					3,222
Share-based compensation expense - shares	2
Excess tax benefits from exercise of stock options and restricted share vesting	542					542
Conversion of Class B shares to Class A shares	252	(252)
Conversion of Class B shares to Class A shares - shares	1,555	(1,555)
Balance at Jul. 27, 2013	44,543	776	211,109	(8,467)	(3,401)	244,560
Balance - Shares at Jul. 27, 2013	9,440	4,780			375
Net income			5,045			5,045
Other comprehensive income (loss), net of tax				(3,998)		(3,998)
Dividends			(12,432)			(12,432)
Exercise of stock options	132				85	217
Exercise of stock options - shares					(9)
Treasury stock purchases					(2,569)	(2,569)
Treasury stock purchases - shares					88
Share-based compensation expense	3,229					3,229
Share-based compensation expense - shares	288
Net tax deficit from exercise of stock options and restricted share vesting	(916)					(916)
Conversion of Class B shares to Class A shares	68	(68)
Conversion of Class B shares to Class A shares - shares	419	(419)
Balance at Jul. 26, 2014	$ 47,056	$ 708	$ 203,722	$ (12,465)	$ (5,885)	$ 233,136
Balance - Shares at Jul. 26, 2014	10,147	4,361			454