Equity (Tables)

12 Months Ended

Dec. 31, 2024

Equity

Schedule of issued and outstanding common shares activity

	Year Ended December 31,
	2024		2023		2022
	(in thousands)
Issued and outstanding common shares, beginning balance		57,271		58,787		61,806
Issued to settle RSUs and PSUs, net of withheld shares		309		362		506
Repurchased		(3,865)		(1,878)		(3,525)
Issued and outstanding common shares, ending balance		53,715		57,271		58,787

Schedule of share repurchase activity

		Average Cost
	Shares	Per Share		Amount
	(in thousands)			(in millions)
2024	3,865	$	282.98	$	1,093.7
2023	1,878	$	255.30	$	479.5
2022	3,525	$	178.81	$	630.3

Schedule of accumulated other comprehensive loss

			Pension and
	Foreign Currency		Postretirement Benefit		Accumulated Other
	Translation		Plan Adjustments,		Comprehensive
	Loss		Net of Tax		Loss
			(in millions)
Balance as of January 1, 2024	$	(75.7)	$	(1.0)	$	(76.7)
Current-year change		(44.0)		5.5		(38.5)
Balance as of December 31, 2024	$	(119.7)	$	4.5	$	(115.2)