Weighted-Average Shares Used in Computing Earnings Per Common Share (Tables)

6 Months Ended

Jun. 30, 2016

Earnings Per Share [Abstract]

Schedule of Weighted-Average Shares Used in Computing Earnings Per Share

	Three Months Ended June 30,		Six Months Ended June 30,
(In millions)	2016	2015	2016	2015
Weighted-average common shares outstanding – basic	84.1	88.9	84.4	89.1
Plus dilutive impact of share-based compensation	0.6	0.9	0.5	0.8
Weighted-average common shares – diluted	84.7	89.8	84.9	89.9