Capital Stock (Tables)

6 Months Ended

Jun. 30, 2014

We have authorized capital stock of 485.0 million shares which includes 475.0 million shares of common stock and 10.0 million shares of preferred stock. We currently have no preferred stock issued or outstanding. The following is a schedule of changes in the number of common shares outstanding since the beginning of 2013:

	Six Months Ended June 30, 2014		Year Ended December 31, 2013
Beginning balance		163,342,894		162,514,098
Public offering		4,560,000		¾
SARs exercised		188,305		278,916
Restricted stock granted		266,453		401,122
Restricted stock units vested		237,620		119,480
Treasury shares issued		15,336		29,278
Ending balance		168,610,608		163,342,894