Other Income, Net (Tables)

12 Months Ended

Dec. 31, 2022

Other Income And Expenses [Abstract]

Schedule of Components of Other Income

	Years ended December 31,
	2020		2021		2022
	(In millions)
Interest income and other:
Interest and dividends	$	4.8	$	4.0	$	10.9
Securities transactions, net		(.1)		—		(.5)
Total		4.7		4.0		10.4
Infrastructure reimbursement		19.7		15.3		16.0
Gain on land sales		4.5		16.0		—
Currency transactions, net		(4.0)		1.6		11.5
Insurance recoveries		1.6		.1		2.8
Other, net		1.9		2.0		3.0
Total	$	28.4	$	39.0	$	43.7