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 (Details) - shares shares in Thousands	12 Months Ended
	Jan. 02, 2021	Dec. 28, 2019	Dec. 29, 2018
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 (in shares)	7,270	6,493	2,095
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 (in shares)	1,185	1,594	564
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 (in shares)	548	397	148