Consolidated Statement of Stockholders' Equity (USD $) Share data in Thousands, unless otherwise specified	Total	Common Stock	Class B Common Stock	Common Stock	Class B Common Stock	Par Value	Additional Paid-in Capital	Common Stock in Treasury	Retained Earnings	Retained Earnings Common Stock	Retained Earnings Class B Common Stock	Accumulated Other Comprehensive Income (loss)
Beginning Balance at May. 31, 2014	$ 174,845,000					$ 702,000	$ 66,141,000	$ (14,000)	$ 97,959,000			$ 10,057,000
Beginning Balance (in shares) at May. 31, 2014				11,835	2,191
Net income (loss)	(83,000)								(83,000)
Foreign currency translation	(968,000)											(968,000)
Fair value adjustments on investments	25,000											25,000
Share-based compensation:
Stock options	120,000						120,000
Common stock:
Options Exercised	158,000			21,000		0	158,000
Canceled Shares					(50)
Stock Issued During Period, Shares, Conversion of Convertible Securities				50
Repurchase of common stock	488,000							488,000
Other	0			0				1,000				(1,000)
Dividends paid
Dividends declared to common stock		(710,000)	(118,000)							(710,000)	(118,000)
Ending Balance at Aug. 30, 2014	$ 172,781,000					$ 702,000	$ 66,419,000	$ (501,000)	$ 97,048,000			$ 9,113,000
Ending Balance (in shares) at Aug. 30, 2014				11,906	2,141