EARNINGS PER SHARE (Tables)

6 Months Ended

Jun. 30, 2016

Earnings Per Share, Basic and Diluted [Abstract]

Schedule of Basic and Diluted Earnings Per Common Share

A reconciliation of both calculations for the three and six months ended June 30, 2016 and 2015 is presented in the following table:

	Three months ended						Six months ended
	June 30,						June 30,
(in thousands, except share, per share data and percentages)	2016			2015			2016			2015
Numerator:
Net income	$	70,726		$	72,336		$	134,963		$	139,468
Less: dividends declared and paid — common and restricted shares	(28,693		)	(25,248		)	(57,278		)	(50,467		)
Undistributed earnings	42,033			47,088			77,685			89,001
Percentage allocated to common shares (a)	99.3		%	99.3		%	99.3		%	99.2		%
Undistributed earnings — common shares	41,739			46,758			77,141			88,289
Add: dividends declared and paid — common shares	28,487			25,076			56,890			50,100
Numerator for basic and diluted earnings per common share	$	70,226		$	71,834		$	134,031		$	138,389
Denominator:
Basic earnings per common share — weighted average common shares outstanding	151,770,359			154,228,727			151,615,321			154,100,335
Incremental shares for stock options, employee stock purchase plan shares and performance shares — weighted average assumed conversion	1,177,814			1,190,632			1,095,057			1,316,716
Diluted earnings per common share — adjusted weighted average shares and assumed conversion	152,948,173			155,419,359			152,710,378			155,417,051
Per common share net income:
Basic	$	0.46		$	0.47		$	0.88		$	0.90
Diluted	$	0.46		$	0.46		$	0.88		$	0.89

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(a)	Weighted average common shares outstanding	151,770,359		154,228,727		151,615,321		154,100,335
	Weighted average restricted shares (participating securities)	1,003,216		1,134,649		993,032		1,171,852
	Total	152,773,575		155,363,376		152,608,353		155,272,187
	Percentage allocated to common shares	99.3	%	99.3	%	99.3	%	99.2	%

Schedule of Antidilutive Securities Excluded from Computation of Earnings Per Share

The outstanding stock options, ESPP shares and performance shares and the anti-dilutive stock options and ESPP shares excluded from the diluted EPS calculations were as follows:

	2016	2015
Outstanding stock options, ESPP shares and performance shares (as of June 30)	3,709,118	4,244,903
Anti-dilutive stock options and ESPP shares (for the three and six months ended June 30)	—	1,078,158