Earnings Per Share (Tables)

12 Months Ended

Dec. 31, 2013

Earnings Per Share [Abstract]

Schedule Of Earnings Per Share

	Year Ended December 31,
	2013			2012			2011
	(In thousands, except per share data)
NUMERATOR
Income from continuing operations	$	137,811		$	142,972		$	130,319
Less: Preferred share dividends	(541		)	(541		)	(541		)
Less: Income from continuing operations attributable to noncontrolling interests	(4,927		)	(4,307		)	(5,475		)
Less: Earnings allocated to unvested shares	(889		)	(845		)	(705		)
Income from continuing operations available for common shareholders	131,454			137,279			123,598
Results from discontinued operations attributable to the Trust	24,803			1,400			19,073
Gain on sale of real estate	4,994			11,860			—
Net income available for common shareholders, basic and diluted	$	161,251		$	150,539		$	142,671
DENOMINATOR
Weighted average common shares outstanding—basic	65,331			63,881			62,438
Effect of dilutive securities:
Stock options	152			175			165
Weighted average common shares outstanding—diluted	65,483			64,056			62,603
EARNINGS PER COMMON SHARE, BASIC
Continuing operations	$	2.01		$	2.15		$	1.98
Discontinued operations	0.38			0.02			0.31
Gain on sale of real estate	0.08			0.19			—
	$	2.47		$	2.36		$	2.29
EARNINGS PER COMMON SHARE, DILUTED
Continuing operations	$	2.00		$	2.14		$	1.97
Discontinued operations	0.38			0.02			0.31
Gain on sale of real estate	0.08			0.19			—
	$	2.46		$	2.35		$	2.28
Income from continuing operations attributable to the Trust	$	132,884		$	138,665		$	124,844