Earnings Per Share (Tables)

9 Months Ended

Sep. 30, 2011

Earnings Per Share [Abstract]

Information Necessary To Calculate Earnings (Loss) Per Share Of Common Stock

	Three Months Ended					Nine Months Ended
	September 30					September 30
	2011		2010			2011			2010
	(In thousands, except per share data)
Basic EPS:
Net income (loss) attributable to Global Industries, Ltd.	$	4,472	$	(27,858	)	$	(56,646	)	$	(47,810	)
Less earnings attributable to shareholders of non-vested restricted stock		62		—			—			—
Earnings (loss) attributable to common shareholders	$	4,410	$	(27,858	)	$	(56,646	)	$	(47,810	)
Weighted-average number of common shares outstanding—basic		114,334		113,959			114,267			113,721
Basic earnings (loss) per common share	$	0.04	$	(0.24	)	$	(0.50	)	$	(0.42	)
Diluted EPS:
Earnings (loss) attributable to common shareholders—basic	$	4,410	$	(27,858	)	$	(56,646	)	$	(47,810	)
Adjustment to earnings (loss) attributable to common shareholders for redistribution to shareholders of non-vested restricted stock		—		—			—			—
Adjusted earnings (loss) attributable to common shareholders—diluted	$	4,410	$	(27,858	)	$	(56,646	)	$	(47,810	)
Weighted average number of common shares outstanding—basic		114,334		113,959			114,267			113,721
Dilutive effect of potential common shares:
Stock options		14		—			—			—
Performance awards		15		—			—			—
Weighted-average number of common shares outstanding—diluted		114,363		113,959			114,267			113,721
Diluted net income (loss) per common share	$	0.04	$	(0.24	)	$	(0.50	)	$	(0.42	)