Share Information (Tables)

9 Months Ended

Sep. 30, 2017

Earnings Per Share [Abstract]

Schedule of Weighted Average Number of Shares

Earnings per share have been calculated using the following share information:

	Quarters Ended   September 30,		Nine Months Ended   September 30,
	2017	2016	2017	2016
Weighted average number of common shares used for basic EPS	32,905,142	34,462,579	33,363,472	34,977,469
Effect of dilutive stock options and restricted and deferred stock unit awards	—	518,411	—	462,562
Weighted average number of common shares and dilutive potential common stock used in dilutive EPS	32,905,142	34,980,990	33,363,472	35,440,031