Common Shares and Net Income (Loss) per Common Share - Additional Information (Detail) - USD ($)			12 Months Ended
	Dec. 11, 2018	May 01, 2018	Dec. 28, 2019	Dec. 29, 2018	Dec. 30, 2017
Earnings Per Share, Diluted, by Common Class, Including Two Class Method [Line Items]
Common shares repurchased and canceled			$ 31,800,000	$ 74,900,000	$ 3,800,000
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	12 months
Common shares repurchased and canceled (in shares)			2,973,282
Common shares repurchased and canceled			$ 46,000,000.0
New Repurchase Plan
Earnings Per Share, Diluted, by Common Class, Including Two Class Method [Line Items]
Stock repurchase program	$ 50,000,000.0
Common shares repurchased and canceled (in shares)			2,006,789	1,590,088
Common shares repurchased and canceled			$ 27,800,000	$ 22,200,000