Subsequent events (Details) - 2.50% Convertible Senior Notes Due 2030 [Member] - USD ($) $ in Millions		12 Months Ended
	Feb. 02, 2024	Dec. 31, 2023
Subsequent Event [Abstract]
Frequency of accrued interest payable		semi-annually
Subsequent Event [Member]
Subsequent Event [Abstract]
Aggregate principal amount	$ 402.5
Interest rate on notes	2.50%
Net proceeds from the Offering	$ 389.3
Maturity date	Feb. 01, 2030