Earnings (Loss) Per Share (Disclosure of basic and diluted earnings (loss) per share) (Details) - USD ($) $ / shares in Units, $ in Thousands	3 Months Ended		6 Months Ended
	Jul. 01, 2023	Jul. 02, 2022	Jul. 01, 2023	Jul. 02, 2022
Numerator for basic earnings (loss) per share:
Earnings (loss) from continuing operations	$ (18,838)	$ 2,285	$ (17,461)	$ 3,287
Less: dividends and accretion on preferred stock	(422)	(760)	(1,126)	(1,515)
Earnings (loss) from continuing operations attributable to common shareholders	(19,260)	1,525	(18,587)	1,772
Earnings (loss) from discontinued operations	0	(814)	0	2,752
Earnings attributable to common shareholders	$ (19,260)	$ 711	$ (18,587)	$ 4,524
Basic weighted-average number of shares outstanding	115,471	107,622	112,743	107,510
Basic earnings (loss) per share:
Earnings (loss) from continuing operations	$ (0.17)	$ 0.01	$ (0.16)	$ 0.02
Earnings (loss) from discontinued operations	0	(0.01)	0	0.03
Earnings (loss) attributable to common shareholders	$ (0.17)	$ 0.01	$ (0.16)	$ 0.04
Numerator for diluted earnings (loss) per share:
Earnings (loss) from continuing operations	$ (18,838)	$ 2,285	$ (17,461)	$ 3,287
Less: dividends and accretion on preferred stock	(422)	(760)	(1,126)	(1,515)
Earnings (loss) from continuing operations attributable to common shareholders	(19,260)	1,525	(18,587)	1,772
Earnings (loss) from discontinued operations	0	(814)	0	2,752
Earnings (loss) attributable to common shareholders	$ (19,260)	$ 711	$ (18,587)	$ 4,524
Denominator for diluted earnings (loss) per share:
Basic weighted-average number of shares outstanding	115,471	107,622	112,743	107,510
Dilutive effect of the following:
Diluted weighted-average number of shares outstanding	115,471	108,667	112,743	108,495
Diluted earnings (loss) per share:
Earnings (loss) from continuing operations	$ (0.17)	$ 0.01	$ (0.16)	$ 0.02
Earnings (loss) from discontinued operations	0	(0.01)	0	0.03
Earnings (loss) attributable to common shareholders	$ (0.17)	$ 0.01	$ (0.16)	$ 0.04
Stock options, restricted stock units and performance share units [Member]
Dilutive effect of the following:
Diluted weighted-average number of shares outstanding	0	1,045	0	985
Series B-1 Preferred Stock [Member]
Dilutive effect of the following:
Diluted weighted-average number of shares outstanding	0	0	0	0