Consolidated Statement of Stockholders' Equity (USD $) In Thousands, unless otherwise specified	Total	Par Value	Additional Paid In Capital	Common Stock in Treasury	Retained Earnings	Accumulated Other Comprehensive Income	Common Stock	Common Stock Additional Paid In Capital	Common Stock Retained Earnings	Class B Common Stock	Class B Common Stock Additional Paid In Capital	Class B Common Stock Retained Earnings
Balance at May. 30, 2009	$ 118,693	$ 949	$ 120,370	$ (6,310)	$ (2,475)	$ 6,159
Balance, shares at May. 30, 2009							15,930			3,048
Comprehensive income
Net income	16,095				16,095
Foreign currency translation	(2,663)					(2,663)
Fair value adjustments on investments	(7)					(7)
Comprehensive income	13,425
Share-based compensation:
Non-vested restricted stock	29		29
Stock options	617		628	(11)
Common stock:
Employee stock option grant	10	5	5
Options Exercised	670		670
Options Exercised, shares							99
ESOP transfer	10			10
Repurchase of common stock	(2,192)			(2,192)
Dividends paid to:
Dividend paid to common stock							(1,179)	(594)	(585)	(220)	(110)	(110)
Balance at May. 29, 2010	129,863	954	120,998	(8,503)	12,925	3,489
Balance, shares at May. 29, 2010							16,029			3,048
Comprehensive income
Net income	87,948				87,948
Foreign currency translation	7,988					7,988
Fair value adjustments on investments	64					64
Comprehensive income	96,000
Share-based compensation:
Non-vested restricted stock	11		11
Stock options	1,177		1,177
Common stock:
Employee stock option grant	5		5
Employee stock option grant, shares							1
Options Exercised	5,775	34	5,741
Options Exercised, shares							700
Converted Class B to Common, shares							96			(96)
Repurchase of common stock	(8,837)			(8,837)
Treasury stock	(1)	(95)	(15,753)	15,847
Treasury stock, shares							(1,905)
Dividends paid to:
Dividend paid to common stock							(1,647)		(1,647)	(299)		(299)
Balance at May. 28, 2011	222,047	893	112,179	(1,493)	98,927	11,541
Balance, shares at May. 28, 2011							14,921			2,952
Comprehensive income
Net income	8,526				8,526
Foreign currency translation	(4,227)					(4,227)
Fair value adjustments on investments	(40)					(40)
Comprehensive income	4,259
Share-based compensation:
Stock options	481		481
Common stock:
Options Exercised	725	5	799	(79)
Options Exercised, shares							121
Converted Class B to Common, shares										(32)
Repurchase of common stock	(23,991)			(23,991)
Treasury stock	5	(100)	(25,242)	25,347
Treasury stock, shares							(2,000)
Other	2	2			1	(1)
Other, shares							32
Dividends paid to:
Dividend paid to common stock							(2,787)		(2,787)	(528)		(528)
Balance at Jun. 02, 2012	$ 200,213	$ 800	$ 88,217	$ (216)	$ 104,139	$ 7,273
Balance, shares at Jun. 02, 2012							13,074			2,920