Earnings Per Share (Tables)

12 Months Ended

Dec. 31, 2011

Earnings Per Share [Abstract]

Earnings per share basic and diluted

	Year Ended December 31,
	2011			2010			2009
Income (numerator):
Basic:
Net income (loss) attributable to Stone Energy Corporation	$	194,332		$	96,429		($	218,298	)
Net income attributable to participating securities		(3,670	)		(1,559	)		—
Net income (loss) attributable to common stock – basic	$	190,662		$	94,870		($	218,298	)
Diluted:
Net income (loss) attributable to Stone Energy Corporation	$	194,332		$	96,429		($	218,298	)
Net income attributable to participating securities		(3,667	)		(1,558	)		—
Net income (loss) attributable to common stock – diluted	$	190,665		$	94,871		($	218,298	)
Weighted average shares (denominator):
Weighted average shares - basic		47,988			47,681			43,953
Diluted effect of stock options		42			25			—
Weighted average shares - diluted		48,030			47,706			43,953
Basic income (loss) per common share	$	3.97		$	1.99		($	4.97	)
Diluted income (loss) per common share	$	3.97		$	1.99		($	4.97	)