Fair value measurement (Tables)

12 Months Ended

Feb. 01, 2025

Fair Value Disclosures [Abstract]

Schedule of Methods to Determine Fair Value on Instrument-Specific Basis

The methods Signet uses to determine fair value on an instrument-specific basis are detailed below:

	February 1, 2025						February 3, 2024
(in millions)	Carrying Value		Level 1		Level 2		Carrying Value		Level 1		Level 2
Assets:
US Treasury securities	$	5.2	$	5.2	$	—	$	5.3	$	5.3	$	—
Foreign currency contracts	0.4		—		0.4		0.1		—		0.1
US government agency securities	—		—		—		0.5		—		0.5
Corporate bonds and notes	—		—		—		2.0		—		2.0
Total assets	$	5.6	$	5.2	$	0.4	$	7.9	$	5.3	$	2.6
Liabilities:
Foreign currency contracts	$	(0.7)	$	—	$	(0.7)	$	(0.3)	$	—	$	(0.3)
Total liabilities	$	(0.7)	$	—	$	(0.7)	$	(0.3)	$	—	$	(0.3)

Schedule of Carrying Amount and Fair Value of Outstanding Debt

The following table provides a summary of the carrying amount and fair value of outstanding debt:

	February 3, 2024
(in millions)	Carrying Value		Fair Value
4.70% Senior unsecured notes due in June 2024 (Level 2) (1)	$	147.7	$	146.3

(1)    The Senior Notes were repaid during the second quarter of Fiscal 2025. See Note 20 for additional information.