Defined Benefit Plan, Expected Future Employer Contributions, Amount

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Defined Benefit Plan, Initial Contribution Amount

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Defined Benefit Plan, Number Of Pension Scheme Members

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Defined Benefit Plan, Period of Delay Due to Certain Restrictions on Withdrawals

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Defined Contribution Plan, Plan Assets, Amount

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Number of US non-qualified deferred compensation plans

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Aggregate carrying value as of the balance sheet date of the liabilities for all deferred compensation arrangements. Represents currently earned compensation under compensation arrangements that is not actually paid until a later date.

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Amount of actuarial present value of benefits attributed to employee service rendered, excluding assumptions about future compensation level.

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Amount of gain (loss) from change in actuarial assumptions which (increases) decreases benefit obligation of defined benefit plan. Assumptions include, but are not limited to, interest, mortality, employee turnover, salary, and temporary deviation from substantive plan.

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Amount of contribution received by defined benefit plan from employer which increases plan assets.

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Line items represent financial concepts included in a table. These concepts are used to disclose reportable information associated with domain members defined in one or many axes to the table.

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Amount included in accumulated other comprehensive income (loss) for gain (loss) of defined benefit plan expected to be recognized in net periodic benefit (cost) credit for fiscal year following most recent annual statement of financial position.

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Amount included in accumulated other comprehensive (income) loss for prior service cost (credit) expected to be recognized in net periodic benefit cost (credit) for fiscal year following most recent annual statement of financial position.

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Amount of contribution expected to be received by defined benefit plan from employer in next fiscal year following current fiscal year.

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Amount of cost for defined contribution plan.

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Amount of discretionary contributions made by an employer to a defined contribution plan.

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Percentage of employees' gross pay for which the employer contributes a matching contribution to a defined contribution plan.

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Percentage employer matches of the employee's percentage contribution matched.

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Retirement plans - Additional Information (Details) £ in Millions, $ in Millions					12 Months Ended
	Aug. 09, 2021 GBP (£)	Aug. 09, 2021 USD ($)	Jul. 29, 2021 GBP (£) employee	Jul. 29, 2021 USD ($) employee	Jan. 29, 2022 USD ($) plan	Jan. 30, 2021 USD ($)	Feb. 01, 2020 USD ($)
Defined Benefit Plan Disclosure [Line Items]
Number of pension scheme members \| employee			1,909	1,909
Defined contribution plan, plan assets, amount					$ 22.7	$ 21.7
Liability, defined contribution plan					32.4	33.3
Life Insurance
Defined Benefit Plan Disclosure [Line Items]
Defined contribution plan, plan assets, amount					6.0	6.3
Pension plan
Defined Benefit Plan Disclosure [Line Items]
Employer discretionary contribution amount					$ 13.0	3.2	$ 9.1
Employer matching contribution, percent of match					50.00%
Employer matching contribution, maximum, percent of employees' gross pay					6.00%
Number of US non-qualified deferred compensation plans \| plan					2
Cost recognized					$ 2.2	0.8	3.6
Foreign Plan \| Pension plan
Defined Benefit Plan Disclosure [Line Items]
Actuarial loss					67.4	1.4
Future amortization of gain (loss)					(3.7)
Future amortization of prior service cost					0.3
Accumulated benefit obligation					303.3	247.6
Employer contributions					12.4	4.4
Employer discretionary contribution amount					$ 2.4	$ 2.4	$ 2.4
Foreign Plan \| Pension plan \| NAV \| Fixed income
Defined Benefit Plan Disclosure [Line Items]
Period of delay due to certain restrictions on withdrawals					16 months
Foreign Plan \| Pension plan \| Maximum
Defined Benefit Plan Disclosure [Line Items]
Estimated future employer contributions in next fiscal year					$ 10.0
Signet Group Limited \| Pension plan
Defined Benefit Plan Disclosure [Line Items]
Defined benefit plan, expected future employer contributions, amount			£ 16.9	$ 22.6
Defined benefit plan, initial contribution amount			£ 7.0	$ 9.7
Actuarial loss	£ 53.3	$ 72.9