Weighted Average Shares Outstanding (Tables)

12 Months Ended

Dec. 31, 2016

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
	2016	2015	2014
Basic	54,191,013	55,028,063	54,791,030
Dilutive effect of:
Stock options	166,986	206,778	355,595
Performance share awards	273,314	278,378	319,704
Convertible senior subordinated debt	—	—	245,230
Non-Employee Director Deferred Stock Plan	—	—	11,708
Diluted	54,631,313	55,513,219	55,723,267