Earnings Per Share (Details) - USD ($) $ / shares in Units, $ in Thousands	3 Months Ended		6 Months Ended		12 Months Ended
	Jun. 28, 2020	Jun. 30, 2019	Jun. 28, 2020	Jun. 30, 2019	Dec. 29, 2019
Basic earnings per common share:
Net income attributable to the Company	$ 20,614	$ 8,354	$ 29,057	$ 6,623
Preferred stock dividends and accretion	(3,347)	(3,486)	(6,818)	(5,556)
Net income attributable to participating securities	(1,560)		(1,306)
Net income attributable to common shareholders	$ 15,707	$ 4,868	$ 20,933	$ 1,067
Basic weighted average common shares outstanding	32,335,000	31,587,000	32,214,000	31,570,000
Basic earnings per common share	$ 0.49	$ 0.15	$ 0.65	$ 0.03
Diluted earnings per common share:
Net income attributable to common shareholders	$ 15,707	$ 4,868	$ 20,933	$ 1,067
Basic weighted average common shares outstanding	32,335,000	31,587,000	32,214,000	31,570,000
Dilutive effect of outstanding equity awards	284,000	186,000	230,000	176,000
Diluted weighted average common shares outstanding	32,619,000	31,773,000	32,444,000	31,746,000
Diluted earnings per common share	$ 0.48	$ 0.15	$ 0.65	$ 0.03
Weighted average antidilutive awards excluded from computation of earnings per share	145,000	1,561,000	170,000	1,469,000
Series B Convertible Preferred Stock, shares outstanding	252,530		252,530		252,500
Series B Preferred Stock
Diluted earnings 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		252,500