Supplemental cash flow information (Tables)

3 Months Ended

Mar. 31, 2017

Supplemental Cash Flow Information [Abstract]

Schedule of Cash Flow, Supplemental Disclosures

	Three Months   Ended March 31,
(In millions)	2017		2016
Cash paid for:
Interest	$	5.8	5.6
Income taxes, net	17.9		14.4