Net Income (Loss) Per Common Share (Tables)

6 Months Ended

Jun. 30, 2014

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,
	2014			2013			2014			2013
General Partner
Net income attributable to common shareholders	$	127,688		$	61,494		$	146,371		$	89,537
Less: Dividends on participating securities	(646		)	(688		)	(1,289		)	(1,375		)
Basic net income attributable to common shareholders	127,042			60,806			145,082			88,162
Noncontrolling interest in earnings of common unitholders	1,693			842			1,943			1,234
Diluted net income attributable to common shareholders	$	128,735		$	61,648		$	147,025		$	89,396
Weighted average number of common shares outstanding	331,753			322,489			329,442			318,733
Weighted average Limited Partner Units outstanding	4,386			4,388			4,386			4,397
Other potential dilutive shares	275			221			274			220
Weighted average number of common shares and potential dilutive securities	336,414			327,098			334,102			323,350
Partnership
Net income attributable to common unitholders	$	129,381		$	62,336		$	148,314		$	90,771
Less: Distributions on participating securities	(646		)	(688		)	(1,289		)	(1,375		)
Basic and diluted net income attributable to common unitholders	$	128,735		$	61,648		$	147,025		$	89,396
Weighted average number of Common Units outstanding	336,139			326,877			333,828			323,130
Other potential dilutive units	275			221			274			220
Weighted average number of Common Units and potential dilutive securities	336,414			327,098			334,102			323,350

Computation of Anti-Dilutive Common Share

	Three Months Ended June 30,		Six Months Ended June 30,
	2014	2013	2014	2013
General Partner and Partnership
Potential dilutive shares or units:
Anti-dilutive outstanding potential shares or units under fixed stock option and other stock-based compensation plans	1,215	1,373	1,215	1,373
Outstanding participating securities	3,830	3,949	3,830	3,949