Earnings per Share (Tables)

6 Months Ended

Jun. 30, 2017

Reconciliation of Weighted-Average Number of Common Shares Used to Compute Basic EPS to Those Used to Compute Diluted EPS

The following table sets forth the reconciliation of the weighted-average number of common shares used to compute basic EPS to those used to compute diluted EPS:



	Three Months Ended June 30,		Six Months Ended June 30,
	2017	2016	2017	2016

	(Shares in millions)
Weighted-average number of common shares outstanding-basic	64.3	64.2	64.3	64.1
Add: Effect of dilutive share-based compensation awards	—	—	—	—
Weighted-average number of shares-diluted	64.3	64.2	64.3	64.1

Schedule of Antidilutive Securities Excluded from Computation of Earnings Per Share

The following table shows stock options, restricted stock units, and performance stock units that are excluded from the computation of diluted earnings per share as the shares would have been anti-dilutive:



	Three Months Ended June 30,		Six Months Ended June 30,
	2017	2016	2017	2016

	(Shares in millions)
Stock options	3.3	3.2	3.3	3.1
Restricted stock units	0.1	0.3	0.2	0.4
Performance stock units	1.0	0.4	0.9	0.3
Total	4.4	3.9	4.4	3.8