Other income, net (Tables)

12 Months Ended

Dec. 31, 2021

Other Income And Expenses [Abstract]

Schedule of Components of Other Income

	Years ended December 31,
	2019		2020		2021
	(In millions)
Securities earnings:
Dividends and interest	$	10.9	$	4.8	$	4.0
Securities transactions, net		.3		(.1)		—
Total		11.2		4.7		4.0
Gain on land sales		4.4		4.5		16.0
Infrastructure reimbursements		9.2		19.7		15.3
Insurance recoveries		7.7		1.6		.1
Currency transactions, net		2.0		(4.0)		1.6
Disposal of property and equipment, net		(.3)		(.2)		(.6)
Gain on sale of business		3.0		—		—
Other, net		3.7		2.1		2.6
Total	$	40.9	$	28.4	$	39.0