Earnings Per Share (Tables)

3 Months Ended

Mar. 31, 2012

Earnings Per Share [Abstract]

Schedule of Earnings Per Share, Basic and Diluted

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