Consolidated Statement of Stockholders' Equity (USD $) In Thousands, unless otherwise specified	Total USD ($)	Common Stock	Class B Common Stock	Common Stock USD ($)	Class B Common Stock USD ($)	Par Value USD ($)	Additional Paid-in Capital USD ($)	Common Stock in Treasury USD ($)	Retained Earnings USD ($)	Retained Earnings Common Stock USD ($)	Retained Earnings Class B Common Stock USD ($)	Accumulated Other Comprehensive Income (loss) USD ($)
Beginning Balance at May. 29, 2010	$ 129,863					$ 954	$ 120,998	$ (8,503)	$ 12,925			$ 3,489
Beginning Balance (in 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
Share-based compensation:
Non-vested restricted stock	11						11
Stock options	1,177						1,177
Common stock:
Employee stock option grant (in shares)		1
Employee stock option grant	5						5
Options Exercised (in shares)	699	700
Options Exercised	5,775					34	5,741
Canceled Shares	(114)
Converted Class B to Common (in shares)		96	(96)
Repurchase of common stock	(8,837)							(8,837)
Treasury stock (in shares)		(1,905)
Treasury stock	(1)					(95)	(15,753)	15,847
Dividends paid to:
Dividends declared to common stock				(1,647)	(299)					(1,647)	(299)
Ending Balance at May. 28, 2011	222,047					893	112,179	(1,493)	98,927			11,541
Ending Balance (in 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)
Share-based compensation:
Stock options	481						481
Common stock:
Options Exercised (in shares)	121	121
Options Exercised	725					5	799	(79)
Canceled Shares	(62)
Converted Class B to Common (in shares)			(32)
Repurchase of common stock	(23,991)							(23,991)
Treasury stock (in shares)		(2,000)
Treasury stock	5					(100)	(25,242)	25,347
Other (in shares)		32
Other	2					2			1			(1)
Dividends paid to:
Dividends declared to common stock				(2,787)	(528)					(2,787)	(528)
Ending Balance at Jun. 02, 2012	200,213					800	88,217	(216)	104,139			7,273
Ending Balance (in shares) at Jun. 02, 2012		13,074	2,920
Comprehensive income
Net income	1,248								1,248
Foreign currency translation	(1,508)											1,508
Fair value adjustments on investments	(30)											30
Share-based compensation:
Non-vested restricted stock	18						18
Stock options	601						601
Common stock:
Options Exercised (in shares)	31	31
Options Exercised	217					2	215
Canceled Shares	(14)		(354)
Converted Class B to Common (in shares)		200
Repurchase of common stock	(15,024)							(15,024)
Treasury stock (in shares)		(1,196)	(75)
Treasury stock						(64)	(15,072)	15,136
Other (in shares)		154
Other	(1)							(1)
Dividends paid to:
Dividends declared to common stock				(2,971)	(600)					(2,971)	(600)
Ending Balance at Jun. 01, 2013	$ 185,239					$ 738	$ 73,979	$ (105)	$ 101,816			$ 8,811
Ending Balance (in shares) at Jun. 01, 2013		12,263	2,491