Other Income, Net (Tables)

6 Months Ended

Jun. 30, 2016

Other Income And Expenses [Abstract]

Schedule of Components of Other Income

	Six months ended June 30,
	2015		2016
	(In millions)
Securities earnings:
Dividends and interest	$	13.2	$	13.6
Securities transactions, net		.2		.1
Total		13.4		13.7
Currency transactions, net		1.3		4.2
Insurance recoveries		3.4		.3
Business interruption insurance proceeds		—		3.4
Other, net		1.4		.5
Total	$	19.5	$	22.1