Common Stock and Series B Convertible Preferred Stock - Cash Dividend (Details) - USD ($) $ / shares in Units, $ in Thousands			9 Months Ended
	Jan. 04, 2021	Oct. 30, 2020	Sep. 27, 2020	Sep. 29, 2019
Cash Dividend
Total dividends paid			$ 32,100
Dividends paid to common shareholders			21,900
Dividends paid to common shareholders			$ 21,856	$ 21,371
Dividend paid per common share (in dollars per share)			$ 0.675
Common stock dividends paid to preferred shareholders			$ 3,400
Preferred stock dividend rate			3.60%
Quarterly dividend declared, per share (in dollars per share)		$ 0.225
Forecast
Cash Dividend
Dividends paid to common shareholders		$ 7,400
Common stock dividends paid to preferred shareholders		$ 1,100
Series B Preferred Stock
Cash Dividend
Preferred dividends			$ 6,800
Series B Preferred Stock | Forecast
Cash Dividend
Quarterly dividend declared	$ 2,300
Series B Preferred Stock | Subsequent event | Forecast
Cash Dividend
Quarterly dividend, date of declaration	Jan. 04, 2021