Stockholders' Deficit - Cash Dividend (Details) - USD ($) $ / shares in Units, $ in Thousands						3 Months Ended	9 Months Ended
	Jan. 01, 2020	Nov. 22, 2019	Nov. 11, 2019	Oct. 22, 2019	Oct. 01, 2019	Dec. 29, 2019	Sep. 29, 2019	Sep. 30, 2018
Cash Dividend
Total dividends paid							$ 30,300
Dividends paid to common shareholders							21,400
Dividends paid to common shareholders							$ 21,371	$ 21,861
Quarterly dividend paid per common share (in dollars per share)							$ 0.675
Common stock dividends paid to preferred shareholders							$ 3,200
Preferred dividends							$ 3,400
Preferred stock dividend rate							3.60%
Forecast
Cash Dividend
Dividends paid to common shareholders				$ 7,100
Common stock dividends paid to preferred shareholders				$ 1,100
Preferred dividends						$ 2,300
Subsequent event
Cash Dividend
Quarterly dividend declared, per share (in dollars per share)				$ 0.225
Subsequent event | Common Stock
Cash Dividend
Quarterly dividend, date of declaration				Oct. 22, 2019
Quarterly dividend, date of distribution		Nov. 22, 2019
Quarterly dividend, date of record			Nov. 11, 2019
Subsequent event | Preferred Stock
Cash Dividend
Quarterly dividend, date of declaration				Oct. 22, 2019
Quarterly dividend, date of distribution	Jan. 01, 2020
Series B Preferred Stock
Cash Dividend
Common stock dividends paid to preferred shareholders							$ 3,200
Preferred dividends					$ 2,300		$ 3,400