Earnings (Loss) Per Share (Details) - USD ($) $ / shares in Units, $ in Thousands	3 Months Ended		9 Months Ended		12 Months Ended
	Sep. 27, 2020	Sep. 29, 2019	Sep. 27, 2020	Sep. 29, 2019	Dec. 29, 2019	Jun. 28, 2020
Basic earnings (loss) per common share:
Net income attributable to the Company	$ 15,708	$ 385	$ 44,765	$ 7,008
Dividends paid to participating securities	(3,548)	(3,473)	(10,546)	(9,029)
Net income attributable to participating securities	(703)		(1,809)
Net income (loss) attributable to common shareholders	$ 11,457	$ (3,088)	$ 32,410	$ (2,021)
Basic weighted average common shares outstanding	32,616,000	31,601,000	32,347,000	31,581,000
Basic earnings (loss) per common share	$ 0.35	$ (0.10)	$ 1.00	$ (0.06)
Diluted earnings (loss) per common share:
Net income (loss) attributable to common shareholders	$ 11,457	$ (3,088)	$ 32,410	$ (2,021)
Basic weighted average common shares outstanding	32,616,000	31,601,000	32,347,000	31,581,000
Dilutive effect of outstanding equity awards	355,000		296,000
Diluted weighted average common shares outstanding	32,971,000	31,601,000	32,643,000	31,581,000
Diluted earnings (loss) per common share	$ 0.35	$ (0.10)	$ 0.99	$ (0.06)
Weighted average antidilutive awards excluded from computation of earnings per share			132,000
Series B Convertible Preferred Stock, shares outstanding	252,530		252,530		252,500
Series B Preferred Stock
Diluted earnings (loss) per common share:
Weighted average antidilutive awards excluded from computation of earnings per share			5,000,000.0		5,000,000.0
Series B Convertible Preferred Stock, shares outstanding					252,500	252,500