Significant Accounting Policies (Tables)

6 Months Ended

Jun. 30, 2016

Accounting Policies [Abstract]

Schedule of Earnings Per Share

The following table reconciles the weighted average basic number of common shares outstanding and the weighted average diluted number of common shares outstanding for the purpose of calculating basic and diluted earnings per share:

	Three months ended June 30,		Six months ended June 30,
	2016	2015	2016	2015
	(In thousands)
Weighted average common shares outstanding—basic	37,564	38,686	37,658	38,729
Dilutive effect of common stock options and awards	149	202	121	183
Weighted average common shares outstanding—diluted	37,713	38,888	37,779	38,912