Weighted Average Shares Outstanding (Tables)

12 Months Ended

Dec. 31, 2014

Weighted Average Shares Outstanding [Abstract]

Schedule of Weighted Average Number of Shares

A reconciliation of the weighted-average number of common shares outstanding used in the calculation of basic and diluted earnings per share follows:

	Weighted-Average Common Shares Outstanding
	2014	2013	2012
Basic	54,791,030	53,860,308	54,626,453
Dilutive effect of:
Stock options	355,595	575,202	478,462
Restricted stock units	319,704	280,488	70,554
Convertible senior subordinated debt	245,230	209,321	—
Non-Employee Director Deferred Stock Plan	11,708	48,025	48,988
Diluted	55,723,267	54,973,344	55,224,457