Significant Accounting Policies (Tables)

3 Months Ended

Mar. 31, 2017

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 March 31,
	2017	2016
	(In thousands)
Weighted average common shares outstanding—basic	37,525	37,752
Dilutive effect of common stock options and awards	168	95
Weighted average common shares outstanding—diluted	37,693	37,847