Other Income, Net (Tables)

12 Months Ended

Dec. 31, 2016

Other Income And Expenses [Abstract]

Schedule of Components of Other Income

	Years ended December 31,
	2014			2015			2016
	(In millions)
Securities earnings:
Dividends and interest	$	26.6		$	26.5		$	27.2
Securities transactions, net		.3			—			.5
Total		26.9			26.5			27.7
Insurance recoveries		10.4			3.7			.4
Currency transactions, net		4.0			(.1	)		5.5
Disposal of property and equipment, net		(.9	)		(.8	)		—
Business interruption insurance proceeds		—			—			4.3
Other, net		1.6			2.7			1.5
Total	$	42.0		$	32.0		$	39.4