Note 10 - Stock-Based Compensation Plans - Share Based Compensation Performance Shares Award Outstanding (Details) - Performance Shares [Member] shares in Thousands	12 Months Ended
	Jan. 02, 2021 $ / shares shares
Balance, Shares (in shares)	1,163
Balance, Weighted average grant date fair value (in dollars per share) | $ / shares	$ 14.49
Granted, Shares (in shares)	349
Granted, Weighted average grant date fair value (in dollars per share) | $ / shares	$ 32.23
Effect of vesting multiplier, Shares (in shares)	472
Vested, Shares (in shares)	(963)
Vested, Weighted average grant date fair value (in dollars per share) | $ / shares	$ 15.63
Canceled, Shares (in shares)	0
Balance, Shares (in shares)	1,021
Balance, Weighted average grant date fair value (in dollars per share) | $ / shares	$ 20.42