Earnings Per Share (Tables)

6 Months Ended

Jun. 30, 2015

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   June 30,		Six Months Ended   June 30,
	2015	2014	2015	2014
Weighted average common shares outstanding—basic	25,885	25,798	25,978	25,774
Dilutive effect of stock-based awards	196	651	283	800
Dilutive effect of convertible senior notes	838	1,043	856	1,195
Dilutive effect of warrants	—	—	—	21
Weighted average common shares outstanding—diluted	26,919	27,492	27,117	27,790