Capital Stock

12 Months Ended

Dec. 31, 2014

Stockholders Equity Note [Abstract]

Capital Stock

Note 9 - Capital Stock

Common Stock Outstanding

Common stock outstanding as of December 31, 2014, 2013 and 2012 was as follows:

(Number of shares in millions)	2014		2013		2012
Common stock:
Balance, beginning of year		104.0		102.4		101.0
Activity under stock plans		0.8		1.6		1.4
Balance, end of year		104.8		104.0		102.4
Treasury stock:
Balance, beginning of year		5.1		2.5		2.2
Repurchased		4.2		2.6		0.3
Balance, end of year		9.3		5.1		2.5
Common stock outstanding		95.5		98.9		99.9

In June 2014, our Board authorized an additional plan to repurchase $150 million of our outstanding common stock (“2014 Repurchase Plan”). In July 2013, our Board authorized us to repurchase $150 million of our outstanding common stock (“2013 Repurchase Plan”), which was completed during the second quarter of 2014. During the first nine months of 2014, the Company spent $160.0 million to repurchase 3,993,401 shares of common stock under the approved plans. At December 31, 2014, there is $100 million remaining authorized under the 2014 Repurchase Plan.

In December 2012, our Board authorized us to repurchase up to $50 million of our outstanding common stock (“Repurchase Plan”). During the six-month period ended June 30, 2013 the Company repurchased a total of 1,573,588 shares at a cost of $50 million and completed the December 2012 Repurchase Plan.