Common Shares and Net (Loss) Income per Common Share - Additional Information (Details) - USD ($)					8 Months Ended	12 Months Ended
	Mar. 02, 2020	Dec. 11, 2019	Dec. 11, 2018	May 01, 2018	Dec. 29, 2018	Jan. 02, 2021	Dec. 28, 2019	Dec. 29, 2018
Earnings Per Share, Diluted, by Common Class, Including Two Class Method [Line Items]
Common shares repurchased and canceled						$ 33,200,000	$ 31,800,000	$ 74,900,000
Legacy Primo Acquisition
Earnings Per Share, Diluted, by Common Class, Including Two Class Method [Line Items]
Expected number of shares to be issued in acquisition (in shares)	26,497,015
Acquisition, number of shares issued (in USD per share)	$ 14.25
Initial Repurchase Plan
Earnings Per Share, Diluted, by Common Class, Including Two Class Method [Line Items]
Stock repurchase program				$ 50,000,000.0
Period in force (in months)				12 years
Common shares repurchased and canceled (in shares)					2,973,282
Common shares repurchased and canceled					$ 46,000,000.0
New Repurchase Plan, 2018
Earnings Per Share, Diluted, by Common Class, Including Two Class Method [Line Items]
Stock repurchase program			$ 50,000,000.0
Period in force (in months)			12 years
Common shares repurchased and canceled (in shares)							2,006,789	1,590,088
Common shares repurchased and canceled							$ 27,800,000	$ 22,200,000
New Repurchase Plan, 2019
Earnings Per Share, Diluted, by Common Class, Including Two Class Method [Line Items]
Stock repurchase program		$ 50,000,000.0
Period in force (in months)		12 months
Common shares repurchased and canceled (in shares)						2,316,835	0
Common shares repurchased and canceled						$ 25,000,000.0