Shareholders' Deficit - Issuance and Sale of Common Stock (Details) - USD ($) $ / shares in Units, $ in Millions	Jul. 06, 2020	Jul. 01, 2020	Sep. 23, 2020	Dec. 25, 2019
Stockholders' Equity Attributable to Parent [Abstract]
Number of shares sold		8,000,000
Common stock, par value (in dollars per share)		$ 0.01	$ 0.01	$ 0.01
Price per share		$ 9.15
Proceeds from sale of stock	$ 69.6