Note 7 - Stockholders' Equity (Tables)

12 Months Ended

Dec. 02, 2017

Notes Tables

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

Common Shares Outstanding	2017			2016			2015
Beginning balance		50,141,343			50,074,310			50,310,803
Stock options exercised		514,064			593,891			275,035
Shares swapped for stock option exercises		-			(71,659	)		(39,883	)
Deferred compensation paid		24,048			7,235			8,852
Restricted units vested		140,614			105,552			83,494
Shares withheld for taxes		(56,230	)		(67,807	)		(54,454	)
Restricted shares forfeited		-			(179	)		(9,537	)
Shares repurchased under repurchase program		(375,000	)		(500,000	)		(500,000	)
Ending balance		50,388,839			50,141,343			50,074,310