Note 3 - Stock Option Activity (Details)	6 Months Ended
	May 28, 2016 $ / shares shares
Outstanding Options (in shares) | shares	2,912,073
Outstanding Options (in dollars per share) | $ / shares	$ 33.37
Granted (in shares) | shares	836,854
Granted (in dollars per share) | $ / shares	$ 33.77
Exercised (in shares) | shares	(409,971)
Exercised (in dollars per share) | $ / shares	$ 25.10
Forfeited or cancelled (in shares) | shares	(120,663)
Forfeited or cancelled (in dollars per share) | $ / shares	$ 39.97
Outstanding Options (in shares) | shares	3,218,293
Outstanding Options (in dollars per share) | $ / shares	$ 34.28