Related-Party Transactions	9 Months Ended
	Sep. 25, 2021
Related Party Transactions [Abstract]
Related-Party Transactions	Related-Party TransactionsThe Company had management advisory services agreements with Roark Capital Management, LLC (“Roark”), an affiliated entity, which provided that the Company pay an annual advisory services fee to Roark. The Company and Roark terminated all advisory services agreements in January 2021 in connection with the Company’s initial public offering. The Company paid $4 million and $5 million under these service agreements during the three and nine months ended September 26, 2020, respectively.