Stock-Based Compensation Plans (Tables)

3 Months Ended

Mar. 31, 2016

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:

	2009 Plan shares		Weighted average exercise price per share		1994 Plan shares		Weighted average exercise price per share
Options Outstanding, December 31, 2015	249,178		$	122.17	82,195		$	103.27
Exercised	(6,660	)	126.99		(7,870	)	100.36
Forfeited	—		—		—		—
Options Outstanding, March 31, 2016	242,518		$	122.04	74,325		$	103.57
Options Exercisable, March 31, 2016	242,518		$	122.04	74,325		$	103.57