Employee Benefit and Stock Incentive Plans - Stock Option Activities (Details) - USD ($) $ / shares in Units, $ in Millions	12 Months Ended
	Jan. 01, 2023	Jan. 02, 2022	Jan. 03, 2021
Number of Shares (in thousands)
Outstanding, beginning balance (in shares)	1,193,300	1,595,300
Granted (in shares)	77,100	75,000.0
Exercised (in shares)	(284,900)	(449,000.0)
Expired or forfeited (in shares)	(13,600)	(28,000.0)
Outstanding, ending balance (in shares)	971,900	1,193,300	1,595,300
Exercisable (in shares)	730,400
Unvested and expected to vest (in shares)	241,500
Weighted Average Exercise Price
Outstanding, beginning balance (in dollars per share)	$ 48.09	$ 35.73
Granted (in dollars per share)	169.27	167.42
Exercised (in dollars per share)	12.45	20.69
Expired or forfeited (in dollars per share)	136.29	102.99
Outstanding, ending balance (in dollars per share)	66.91	$ 48.09	$ 35.73
Exercisable (in dollars per share)	48.47
Unvested and expected to vest (in dollars per share)	$ 122.65
Weighted Average Remaining Contractual Term
Outstanding, weighted average remaining contractual term (years)	5 years 2 months 1 day	5 years 2 months 8 days	5 years 7 months 6 days
Exercisable, weighted average remaining contractual term (years)	4 years 4 months 24 days
Unvested and expected to vest, weighted average remaining contractual term (years)	7 years 6 months 10 days
Aggregate Intrinsic Value (in millions)
Outstanding, aggregate intrinsic value	$ 56.0	$ 231.7	$ 196.0
Exercisable, aggregate intrinsic value	51.1
Unvested and expected to vest, aggregate intrinsic value	$ 4.9