Net Income Per Share (Tables)

9 Months Ended

Sep. 30, 2015

Reconciliation of Basic to Diluted Net Income Per Share

The following table reconciles net income and shares used in the calculation of basic net income per share to those used for diluted net income per share:



	Three Months Ended September 30,				Nine Months Ended September 30,
(In millions)	2015		2014		2015		2014
Net income	$	1.5	$	31.0	$	62.2	$	95.7
Denominator:
Weighted average common shares outstanding	72.2		71.0		71.9		70.8
Dilutive effect of stock options, stock appreciation rights and performance share awards, based on the treasury stock method	1.7		1.6		1.7		1.7
Weighted average shares assuming dilution	73.9		72.6		73.6		72.5