Basis of Presentation of the Unaudited Consolidated Financial Statements - Additional Information (Details) - USD ($) $ in Millions	3 Months Ended
	Apr. 03, 2022	Apr. 04, 2021	Jan. 02, 2022
Total cash and cash equivalents	$ 281.1		$ 309.7
Accumulated deficit	(1,957.0)		$ (1,971.8)
Net income (loss)	14.8	$ (39.1)
Cash used in operating activities	(4.0)	$ (9.9)
Letters of credit issued	$ 43.7
Revolving Credit Facility
Maximum percentage of committed amount for first lien net leverage ratio	30.00%