Earnings Per Share (Tables)

9 Months Ended

Sep. 30, 2012

Earnings Per Share [Abstract]

Computations Of Basic And Diluted EPS

		Three Months Ended			Three Months Ended
		September 30, 2012			September 30, 2011
		Income	Shares		Income	Shares
Basic:
Net income applicable to Helix common shareholders	$	14,865		$	46,016
Less: Undistributed net income allocable to participating securities		(150)			(549)
Net income applicable to Helix common shareholders	$	14,715	104,256	$	45,467	104,700

Diluted:
Net income per common share - Basic	$	14,715	104,256	$	45,467	104,700
Effect of dilutive securities:
Share-based awards other than participating securities		-	112		-	93
Undistributed earnings reallocated to participating securities		1	-		2	-
Convertible preferred stock		10	361		10	361
Net income per common share - Diluted	$	14,726	104,729	$	45,479	105,154

		Nine Months Ended			Nine Months Ended
		September 30, 2012			September 30, 2011
		Income	Shares		Income	Shares
Basic:
Net income applicable to Helix common shareholders	$	125,233		$	113,186
Less: Undistributed net income allocable to participating securities		(1,260)			(1,403)
Net income applicable to Helix common shareholders	$	123,973	104,450	$	111,783	104,616

Diluted:
Net income per common share - Basic	$	123,973	104,450	$	111,783	104,616
Effect of dilutive securities:
Share-based awards other than participating securities		-	86		-	84
Undistributed earnings reallocated to participating securities		5	-		6	-
Convertible preferred stock		30	361		30	361
Net income per common share - Diluted	$	124,008	104,897	$	111,819	105,061