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Stock Compensation Plans (Tables)

12 Months Ended

Dec. 31, 2013

Disclosure Of Compensation Related Costs Sharebased Payments [Abstract]

Weighted Average Fair Value of Options Granted

The fair value of each option grant is estimated on the date of grant using the Black-Scholes option-pricing model with the following weighted-average assumptions used:

Grant Year		Dividend Yield				Expected Volatility				Risk Free Interest Rate				Expected Lives
2013			0	%			51	%			1	%			6
2012			0	%			52	%			2	%			5
2011			0	%			52	%			2	%			5

Stock Option Transactions under Various Stock-Based Employee Compensation Plans

Information regarding the 1996 Plan for the year ended December 31, 2013 is as follows:

		Shares				Weighted Average Exercise Price				Weighted Average Contractual Life
Outstanding, beginning of year			2,124,886			$	22.36
Granted			1,807,000				42.31
Exercised			(682,263	)			24.90
Canceled			(17,200	)			38.73
Outstanding, end of year			3,232,423			$	32.89				7.37
Exercisable at end of year			1,737,823			$	25.16				5.95

Summary of ESPP Share Activity

The following is a summary of 2009 ESPP share activity for the year ended December 31, 2013:

		Shares
Available for future purchases, January 1, 2013			358,950
Additional shares reserved under 2009 ESPP			78,963
Purchases			(110,224	)
Available for future purchases, December 31, 2013			327,689

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- Definition

Share based compensation arrangement by share based payment award fair value assumptions and methodology.

+ References

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- Definition

Tabular disclosure of employee stock purchase plan activity.

+ 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 (g)

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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)

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