Note 15 - Share-based Compensation - Restricted Stock Activity (Details) - $ / shares							12 Months Ended
	Feb. 24, 2022	May 03, 2021	Feb. 08, 2021	Mar. 25, 2020	Apr. 01, 2019	Feb. 25, 2019	Dec. 31, 2022	Dec. 31, 2021
Restricted Stock [Member]
Outstanding (in shares)							1,212,783	930,854
Outstanding at beginning of year, grant date fair value (in dollars per share)							$ 37.48	$ 19.31
Granted (in shares)							1,373,909	801,484
Granted, grant date fair value (in dollars per share)							$ 25.26	$ 47.20
Vested (in shares)							(569,535)	(378,502)
Vested, grant date fair value (in dollars per share)							$ 35.51	$ 19.31
Forfeited (in shares)							(137,942)	(141,053)
Forfeited, grant date fair value (in dollars per share)							$ 40.19	$ 36.95
Outstanding (in shares)							1,879,215	1,212,783
Outstanding at end of year, grant date fair value (in dollars per share)							$ 28.94	$ 37.48
Market-based Restricted Stock [Member]
Outstanding (in shares)							139,756	224,774
Outstanding at beginning of year, grant date fair value (in dollars per share)							$ 19.86	$ 19.20
Granted, grant date fair value (in dollars per share)							$ 22.66	$ 32.50
Vested (in shares)	(218,280)		(231,268)				(218,280)	(231,268)
Vested, grant date fair value (in dollars per share)							$ 10.95	$ 26.98
Forfeited (in shares)							0	(6,415)
Forfeited, grant date fair value (in dollars per share)							$ 0	$ 40.65
Outstanding (in shares)							271,044	139,756
Outstanding at end of year, grant date fair value (in dollars per share)							$ 30.64	$ 19.86
Granted (in shares)	240,428	6,415	115,634	109,140	29,604	94,247	349,568	152,665