Earnings Per Share (Tables)

9 Months Ended

Sep. 30, 2014

Earnings Per Share [Abstract]

Reconciliation of Shares Used in Calculating Earnings Per Basic and Diluted Shares

A reconciliation of shares used in calculating earnings per basic and diluted shares follows (in thousands):

	Three Months Ended September 30,		Nine Months Ended September 30,
	2014	2013	2014	2013
Weighted average common shares outstanding—basic	25,879	25,535	25,811	24,323
Dilutive effect of stock-based awards	410	843	684	940
Dilutive effect of convertible senior notes	1,043	805	1,118	298
Dilutive effect of warrants	—	—	9	—
Weighted average common shares outstanding—diluted	27,332	27,183	27,622	25,561