Capital Stock (Tables)

12 Months Ended

Dec. 31, 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. The following is a schedule of changes in the number of common shares outstanding since the beginning of 2012:


	Year Ended December 31,
	2014		2013		2012
Beginning balance		163,342,894		162,514,098		161,131,547
Equity offering		4,560,000		−		−
Stock options/SARs exercised		195,242		278,916		926,425
Restricted stock grants		270,062		401,122		354,674
Restricted stock units vested		244,413		119,480		57,824
Treasury shares		15,566		29,278		43,628
Ending balance		168,628,177		163,342,894		162,514,098