Defined Benefit Plans - Narrative (Details) - USD ($) $ in Millions	12 Months Ended
	Jan. 30, 2021	Dec. 31, 2020	Feb. 01, 2020	Dec. 31, 2019	Feb. 02, 2019
SERP
Defined Benefit Plan Disclosure [Line Items]
Discount rate assumed as part of the actuarial valuation performed to calculate the projected benefit obligation and fair value of the plan assets (as a percent)	2.30%		2.50%
Defined Benefit Plan, Expected Future Benefit Payment [Abstract]
Defined benefit plan, expected future benefit payment over the next twelve months	$ 1.9
Defined benefit plan, expected future benefit payment in year two	1.9
Defined benefit plan, expected future benefit payment in year three	1.8
Defined benefit plan, expected future benefit payment in year four	3.7
Defined benefit plan, expected future benefit payment in year five	3.7
Defined benefit plan, expected future benefit payment in the following five fiscal years	$ 17.8
Pension Plan | Switzerland
Defined Benefit Plan Disclosure [Line Items]
Discount rate assumed as part of the actuarial valuation performed to calculate the projected benefit obligation and fair value of the plan assets (as a percent)	0.05%		(0.15%)
Defined Benefit Plan, Expected Future Benefit Payment [Abstract]
Minimum investment return (as a percent)		1.00%		1.00%
Expected return on plan assets assumed as a part of the actuarial valuation performed to calculate the projected benefit obligation and plan assets (as a percent)	0.50%		0.50%
Other assets | SERP
Defined Benefit Plan Disclosure [Line Items]
Cash surrender values of the insurance policies held in a rabbi trust	$ 72.1		$ 67.7
Other income/expense | SERP
Defined Benefit Plan Disclosure [Line Items]
Gains (losses) as a result of changes in value of the insurance policy investments, included in other income and expense	$ 6.1		$ 7.6		$ (1.1)