Earnings Per Share (Tables)

12 Months Ended

Dec. 31, 2014

Earnings Per Share [Abstract]

Reconciliation of basic and diluted earnings per share

The following is a reconciliation of basic and diluted earnings per share for the years presented in the consolidated statements of income:

	Years ended December 31,
	2014								2013								2012
(In thousands, except per share data)	Net income			Weighted average shares		Per share amount			Net income			Weighted average shares		Per share amount			Net income			Weighted average shares		Per share amount
Basic earnings per share		$	75,074		43,877		$	1.71		$	61,747		41,930		$	1.47		$	54,558		33,379		$	1.63
Effect of dilutive securities
Stock based compensation					518								420								340
Diluted earnings per share		$	75,074		44,395		$	1.69		$	61,747		42,350		$	1.46		$	54,558		33,719		$	1.62