Common Shares and Net (Loss) Income per Common Share - Summary of the Anti-dilutive Securities Excluded from the Computation of Diluted Net (Loss) Income Per Common Share (Detail) - shares shares in Thousands	12 Months Ended
	Dec. 29, 2018	Dec. 30, 2017	Dec. 31, 2016
Stock options
Antidilutive Securities Excluded from Computation of Earnings Per Share [Line Items]
Anti-dilutive securities excluded from the computation of diluted (loss) income per common share	2,095	5,006	4,474
Performance-based RSUs
Antidilutive Securities Excluded from Computation of Earnings Per Share [Line Items]
Anti-dilutive securities excluded from the computation of diluted (loss) income per common share	564	2,235	2,070
Time-based RSUs
Antidilutive Securities Excluded from Computation of Earnings Per Share [Line Items]
Anti-dilutive securities excluded from the computation of diluted (loss) income per common share	148	493	800