Stock-Based Compensation Plans (Tables)

9 Months Ended

Sep. 30, 2015

Disclosure of Compensation Related Costs, Share-based Payments [Abstract]

Schedule of information with respect to stock options granted

Information with respect to stock options granted under the Company’s 1994 Stock Option and Incentive Plan (the “1994 Plan”) and its 2009 Stock Option and Incentive Plan (the “2009 Plan”) is as follows (dollars in thousands, other than per share amounts):

	2009 Plan shares		Weighted average exercise price per share		1994 Plan shares		Weighted average exercise price per share
Options Outstanding, December 31, 2014	340,062		$	122.67	272,402		$	104.96
Exercised	(54,719	)	121.70		(100,454	)	90.82
Forfeited	—		—		—		—
Options Outstanding, September 30, 2015	285,343		$	122.85	171,948		$	113.23
Options Exercisable, September 30, 2015	224,246		$	121.19	171,948		$	113.23