Summary of Significant Accounting Policies - Summary of Potential Ordinary Share Equivalents Outstanding (Details) - shares	12 Months Ended
	Jan. 02, 2022	Jan. 03, 2021	Dec. 29, 2019
Antidilutive Securities Excluded From Computation Of Earnings Per Share [Line Items]
Antidilutive Securities Excluded from Computation of Earnings Per Share, Amount	13,600,000	17,100,000	15,600,000
Stock options
Antidilutive Securities Excluded From Computation Of Earnings Per Share [Line Items]
Antidilutive Securities Excluded from Computation of Earnings Per Share, Amount	13,000,000.0	16,100,000	15,200,000
Unvested restricted shares and restricted stock units
Antidilutive Securities Excluded From Computation Of Earnings Per Share [Line Items]
Antidilutive Securities Excluded from Computation of Earnings Per Share, Amount	600,000	1,000,000.0	200,000