Note 8 - Accounting for Share-based Compensation - Stock Option Activity (Details)	6 Months Ended
	Jun. 02, 2018 $ / shares shares
Outstanding Options (in shares) | shares	3,860,764
Outstanding Options, average exercise price (in dollars per share) | $ / shares	$ 42.28
Granted (in shares) | shares	794,984
Granted, average exercise price (in dollars per share) | $ / shares	$ 53.06
Exercised (in shares) | shares	(80,225)
Exercised, average exercise price (in dollars per share) | $ / shares	$ 29.75
Forfeited or cancelled (in shares) | shares	(5,725)
Forfeited or cancelled, average exercise price (in dollars per share) | $ / shares	$ 43.58
Outstanding Options (in shares) | shares	4,569,798
Outstanding Options, average exercise price (in dollars per share) | $ / shares	$ 44.38