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Long-term debt - Narrative (Details) - USD ($)	Sep. 05, 2019	May 04, 2024	Feb. 03, 2024	Apr. 29, 2023	Jul. 28, 2021	Sep. 27, 2019	Sep. 06, 2019	May 19, 2014
Revolving Credit Facility
Debt Instrument [Line Items]
Line of credit facility, maximum borrowing capacity						$ 1,500,000,000
Additional borrowing capacity					$ 600,000,000
Long-term debt		$ 0	$ 0	$ 0
Available borrowing capacity		$ 1,100,000,000
Term Loan Facility
Debt Instrument [Line Items]
Face amount						$ 100,000,000
Senior Notes
Debt Instrument [Line Items]
Face amount							$ 147,800,000	$ 400,000,000
Stated interest rate								4.70%
Repayments of senior debt	$ 239,600,000
Repurchased face amount	$ 950.00

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