Net Income Per Share (Tables)

3 Months Ended

Mar. 31, 2014

Earnings Per Share [Abstract]

Reconciliation of Weighted Average Common Shares Outstanding

A reconciliation of weighted average shares outstanding used to calculate basic net income per share and diluted net income per share follows:

	Three months ended March 31
	2014	2013
	(in thousands)
Weighted average shares outstanding (basic)	189,467	196,299
Effect of dilutive securities	1,022	918
Weighted average shares outstanding (diluted)	190,489	197,217