Note 11 - Share-based Compensation - Schedule of Share-Based Compensation (Details) - $ / shares		3 Months Ended		6 Months Ended
		Jul. 29, 2023		Jul. 29, 2023		May 17, 2023
Balance, options outstanding (in shares)				3,256,000
Balance, options outstanding, weighted average exercise price (in dollars per share)				$ 47.85
Granted (in shares)				341,000
Granted, weighted average exercise price (in dollars per share)				$ 37.72
Exercised (in shares)				(188,000)
Exercised, weighted average exercise price (in dollars per share)				$ 24.02
Expired or cancelled (in shares)				(214,000)
Expired or cancelled, weighted average exercise price (in dollars per share)				$ 38.78
Balance, options outstanding (in shares)		3,195,000		3,195,000
Options Outstanding Weighted Average Remaining (Year)		3 years 6 months		3 years 6 months
Balance, options outstanding, weighted average exercise price (in dollars per share)		$ 48.77		$ 48.77
Balance, options exercisable (in shares)		2,710,000		2,710,000
Options, Exercisable, Weighted Average Remaining (Year)				2 years 6 months
Award Options Exercisable Weighted Average Exercise Price (in dollars per share)		$ 50.89		$ 50.89
2007 Stock Incentive Plan [Member]
Shares available for future grant (in shares)		11,202,000	[1]	11,202,000	[1]	10,300,000
Employment Inducement Plan [Member]
Shares available for future grant (in shares)	[2]	409,000		409,000

[1] On May 17, 2023, the Company's shareholders approved the amended and restated 2007 Stock Incentive Plan, which increased shares available for grant by 10,300,000. There were no other significant modifications to the plan.

[2] On August 24, 2022, the Company granted options and other awards to its new President and Chief Executive Officer, Mary N. Dillon. These awards were granted outside of the 2007 Stock Incentive Plan as employment inducement awards and do not require shareholder approval under the rules of the New York Stock Exchange or otherwise. Shares available for future grant under this plan are reserved for the sole purpose to issue shares pursuant to her employment inducement awards.