Note 7 - Stockholders' Equity (Tables)

12 Months Ended

Dec. 01, 2018

Notes Tables

Schedule of Common Stock Outstanding Roll Forward [Table Text Block]

Common Shares Outstanding	2018			2017			2016
Beginning balance		50,388,839			50,141,343			50,074,310
Stock options exercised		198,849			514,064			593,891
Shares swapped for stock option exercises		-			-			(71,659	)
Deferred compensation paid		7,152			24,048			7,235
Restricted units vested		209,137			140,614			105,552
Shares withheld for taxes		(71,181	)		(56,230	)		(67,807	)
Restricted shares forfeited		-			-			(179	)
Shares repurchased under repurchase program		-			(375,000	)		(500,000	)
Ending balance		50,732,796			50,388,839			50,141,343