Earnings or Loss Per Share (Tables)

6 Months Ended

Jun. 30, 2015

Earnings Per Share [Abstract]

Schedule of the reconciliation of the denominators of basic and diluted earnings per share

The following table presents the reconciliation of the denominators of basic and diluted earnings or loss per share (in millions):

	Three Months Ended June 30, 2015	Six Months Ended June 30, 2015
Weighted average shares outstanding, basic	131.4	131.4
Dilutive effect of stock options	0.7	0.6
Weighted average shares outstanding, diluted	132.1	132.0