Stockholders' Equity - Common Stock (Details) - USD ($) $ / shares in Units, $ in Millions		12 Months Ended
Jun. 23, 2020	Dec. 27, 2020
Class of Stock [Line Items]
Net proceeds used to pay-off debt	$ 240.4
Common Stock
Class of Stock [Line Items]
Common stock sold (in shares)	15,525,000	15,800,000
Purchase price of common stock sold (in dollars per share)	$ 16.25
Gross proceeds from sell of stock	$ 252.3

Number of new stock issued during the period.

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