Earnings Per Share (Tables)

6 Months Ended

Jun. 30, 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 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