Earnings Per Share

3 Months Ended

Mar. 31, 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 months ended March 31, 2012 and 2011:

	Three Months Ended March 31,
	2012		2011
Net income attributable to Chart Industries, Inc.	$	14,083	$	7,530
Net income attributable to Chart Industries, Inc. per common share – basic	$	0.48	$	0.26
Net income attributable to Chart Industries, Inc. per common share – diluted	$	0.47	$	0.25
Weighted average number of common shares outstanding – basic	29,593		28,768
Incremental shares issuable upon assumed conversion and exercise of stock options	468		910
Total shares – diluted	30,061		29,678

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 period was 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 105 shares for the three months ended March 31, 2012. There were no anti-dilutive share-based awards for the three months ended March 31, 2011.