Shareholders' Equity - Restricted Stock Outstanding (Details) - Restricted Stock - $ / shares	12 Months Ended
	Jan. 01, 2023	Jan. 02, 2022	Jan. 03, 2021
Shares
Outstanding at beginning of year (in shares)	683,800
Granted (in shares)	500,800	428,400	308,100
Vested (in shares)	(141,900)
Forfeited or cancelled (in shares)	(36,300)
Outstanding at end of year (in shares)	1,006,400	683,800
Weighted Average Grant Date Fair Value
Outstanding at beginning of year, weighted average grant date fair value (in dollars per share)	$ 21.06
Granted, weighted average grant date fair value (in dollars per share)	13.08	$ 14.26	$ 13.08
Vested, weighted average grant date fair value (in dollars per share)	16.59
Forfeited or cancelled, weighted average grant date fair value (in dollars per share)	14.04
Outstanding at end of year, weighted average grant date fair value (in dollars per share)	$ 13.91	$ 21.06