Operating Leases (Tables)

12 Months Ended

Dec. 31, 2017

Leases, Operating [Abstract]

Schedule of Future Minimum Rental Payments for Operating Leases

As of December 31, 2017, future minimum lease payments under noncancellable operating leases with initial or remaining lease terms in excess of one year are included below.

(In millions)	Facilities		Vehicles	Other	Total
2018	$	55.6	17.6	18.6	91.8
2019	48.0		17.3	19.5	84.8
2020	40.3		16.7	12.8	69.8
2021	28.9		12.1	3.8	44.8
2022	25.0		11.1	0.6	36.7
Later years	93.4		0.1	—	93.5
	$	291.2	74.9	55.3	421.4