Earnings Per Share (Tables)

6 Months Ended

Jun. 30, 2015

Earnings Per Share [Abstract]

Reconciliation of Numerators and Denominators Used in Computations of Both Basic and Diluted Net Income Per Share

The following table reconciles the numerators and denominators used in the computations of both basic and diluted earnings per share:

	Three months ended June 30,				Six months ended June 30,
	2015		2014		2015		2014
	(In thousands, except share and per share data)
Basic earnings per share computation:
Numerator:
Net income	$	37,444	$	34,407	$	70,791	$	66,767
Denominator:
Weighted average common shares	175,317,750		173,966,917		175,007,291		173,796,646
Basic earnings per share	$	0.21	$	0.20	$	0.40	$	0.38
Diluted earnings per share computation:
Numerator:
Net income	$	37,444	$	34,407	$	70,791	$	66,767
Denominator:
Weighted average common shares - basic	175,317,750		173,966,917		175,007,291		173,796,646
Stock option conversion (1)	4,236,404		3,090,807		4,095,672		2,839,542
Stock units (2)	490,247		531,498		559,341		564,442
Weighted average common shares - diluted	180,044,401		177,589,222		179,662,304		177,200,630
Diluted earnings per share	$	0.21	$	0.19	$	0.39	$	0.38
(1) Anti-dilutive options excluded	—		8,705		—		39,366
(2) Anti-dilutive RSUs excluded	—		6,724		261		4,714