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Stock Based Compensation (Tables)

9 Months Ended

Sep. 30, 2016

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

Restricted stock compensation footnote

During the nine months ended September 30, 2016, the Company made the following awards of restricted stock:

Date		Shares Granted			Plan		Grant Date Fair Value Per Share				Vesting Period
2/11/2016		51,475			2005 Employee Stock Plan		$	41.96			Ratably over 5 years from grant date
3/1/2016		600			2005 Employee Stock Plan		$	44.37			Ratably over 5 years from grant date
5/24/2016		8,700			2010 NonEmployee Director Stock Plan		$	48.34			Cliff vest 5 years from grant date
9/19/2016		800			2005 Employee Stock Plan		$	52.92			Ratably over 5 years from grant date

Schedule of Share-based Compensation, Stock Options, Activity [Table Text Block]

The Company has made the following awards of nonqualified options to purchase shares of common stock during the nine months ended September 30, 2016:

	Nine Months Ended
	September 30, 2016
Date of grant	7/14/2016			2/20/2016
Plan	2010			2010
Options granted	5,000			5,000
Vesting period (beginning on grant date)	18 months			22 months
Expiration date	7/14/2026			2/20/2026
Expected volatility	32.28		%	32.44		%
Expected life (years)	5.5			5.5
Expected dividend yield	2.37		%	2.28		%
Risk free interest rate	1.14		%	1.29		%
Fair value per option	$	11.46		$	10.59

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Tabular disclosure of the number and weighted-average exercise prices (or conversion ratios) for share options (or share units) that were outstanding at the beginning and end of the year, vested and expected to vest, exercisable or convertible at the end of the year, and the number of share options or share units that were granted, exercised or converted, forfeited, and expired during the year.

+ References

Reference 1: http://www.xbrl.org/2003/role/presentationRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 718
-SubTopic 10
-Section 50
-Paragraph 2
-Subparagraph (c)(1)
-URI http://asc.fasb.org/extlink&oid=6415400&loc=d3e5070-113901

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Disclosure of the number and weighted-average grant date fair value for restricted stock and restricted stock units that were outstanding at the beginning and end of the year, and the number of restricted stock and restricted stock units that were granted, vested, or forfeited during the year.

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