Net Income (Loss) Per Common Share (Tables)

6 Months Ended

Jun. 30, 2012

Earnings Per Share [Abstract]

Reconciling the Components of Basic and Diluted Net Income (Loss) per Common Share

	Three Months Ended June 30,						Six Months Ended June 30,
	2012			2011			2012			2011
General Partner
Net income (loss) attributable to common shareholders	$	(28,482	)	$	(29,042	)	$	(64,872	)	$	18,527
Less: Dividends on participating securities	(856		)	(806		)	(1,708		)	(1,605		)
Basic net income (loss) attributable to common shareholders	(29,338		)	(29,848		)	(66,580		)	16,922
Noncontrolling interest in earnings of common unitholders	—			—			—			499
Diluted net income (loss) attributable to common shareholders	$	(29,338	)	$	(29,848	)	$	(66,580	)	$	17,421
Weighted average number of common shares outstanding	266,748			252,640			262,556			252,524
Weighted average Limited Partner Units outstanding	—			—			—			6,798
Other potential dilutive shares	—			—			—			68
Weighted average number of common shares and potential dilutive securities	266,748			252,640			262,556			259,390
Partnership
Net income (loss) attributable to common unitholders	$	(28,948	)	$	(29,748	)	$	(66,149	)	$	19,026
Less: Distributions on participating securities	(856		)	(806		)	(1,708		)	(1,605		)
Basic and diluted net income (loss) attributable to common unitholders	$	(29,804	)	$	(30,554	)	$	(67,857	)	$	17,421
Weighted average number of Common Units outstanding	271,317			259,849			267,716			259,322
Other potential dilutive units	—			—			—			68
Weighted average number of Common Units and potential dilutive securities	271,317			259,849			267,716			259,390

Computation of Anti-Dilutive Common Share

	Three Months Ended June 30,						Six Months Ended June 30,
	2012			2011			2012			2011
General Partner
Noncontrolling interest in loss of common unitholders	$	(466	)	$	(706	)	$	(1,277	)	$	—
Weighted average Limited Partner Units outstanding	4,569			7,209			5,160			—
General Partner and the Partnership
Other potential dilutive shares or units:
Anti-dilutive outstanding potential shares or units under fixed stock option and other stock-based compensation plans	1,728			1,677			1,728			1,677
Anti-dilutive potential shares or units under the Exchangeable Notes	—			3,432			—			3,432
Outstanding participating securities	4,047			4,816			4,047			4,816