Earnings Per Share

6 Months Ended

Jun. 30, 2012

Earnings Per Share [Abstract]

Earnings Per Share

Earnings Per Share

The following table presents calculations of net income per share of common stock for the three and six months ended June 30, 2012 and 2011:

	Three Months Ended June 30,				Six Months Ended June 30,
	2012		2011		2012		2011
Net income attributable to Chart Industries, Inc.	$	17,936	$	10,591	$	32,019	$	18,121
Net income attributable to Chart Industries, Inc. per common share – basic	$	0.60	$	0.36	$	1.08	$	0.63
Net income attributable to Chart Industries, Inc. per common share – diluted	$	0.59	$	0.35	$	1.06	$	0.61
Weighted average number of common shares outstanding – basic	29,797		29,202		29,695		28,986
Incremental shares issuable upon assumed conversion and exercise of stock options	403		764		435		837
Total shares – diluted	30,200		29,966		30,130		29,823

Shares issuable under the Convertible Notes were excluded from diluted earnings per share since the average market price of the Company’s common stock during the three and six months ended June 30, 2012 were less than the conversion price. Certain common shares that may be issuable upon the vesting of share-based awards were not included in net income attributable to Chart Industries, Inc. per common share – diluted as they were anti-dilutive and consisted of 108 and 107 shares for the three and six months ended June 30, 2012, respectively. There were 142 and 71 anti-dilutive share-based awards for the three and six months ended June 30, 2011, respectively.