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Share-Based Compensation (Tables)

6 Months Ended

Jun. 30, 2011

Stock Option Plans

		Weighted Average Price				Number of Shares				Weighted Average Remaining Contractual Life (In Years)				Aggregate Intrinsic Value
Outstanding, January 1, 2011		$	9.13				3,002,000
Granted			16.11				510,000
Cancelled			12.10				(67,000	)
Exercised			8.53				(172,000	)
Outstanding, June 30, 2011		$	10.20				3,273,000				6.00			$	19,799,000
Options exercisable as of June 30, 2011							1,715,000				3.83			$	16,312,000

Summarized Information Of Stock Options Outstanding

		Options Outstanding																Options Exercisable
Exercise Price Range		Number Outstanding				Average Remaining Contractual Life				Weighted Average Exercise price				Number Exercisable				Weighted Average Exercise Price
$ 1.83 - 2.50			458,000				0.84			$	2.11				458,000			$	2.11
3.68 - 3.68			384,000				2.49				3.68				384,000				3.68
6.07 - 6.07			300,000				3.49				6.07				300,000				6.07
10.39 - 10.39			524,000				7.52				10.39				191,000				10.39
$ 13.93 - 16.11			1,607,000				8.27				14.77				382,000				14.05
			3,273,000				6.00			$	10.20				1,715,000			$	6.74

Information Pertaining To Option Activity

		June 30, 2011				June 30, 2010
Weighted average grant-date fair value of stock options granted:		$	1,477,000			$	2,176,000
Total fair value of stock options vested:		$	1,015,000			$	681,000
Total intrinsic value of stock options exercised:		$	1,459,000			$	2,467,000
Total pre-tax share-based compensation expense charged against income:		$	935,000			$	465,000
Total unrecognized compensation expense related to non-vested options:		$	4,482,000			$	3,906,000

Total Pre-Tax Share-Based Compensation Expense Charged Against Income Under Employee Stock Purchase Plan

		Quarter Ended June 30,
		2011				2010
ESPP compensation expense		$	65,000			$	70,000
		Six Months Ended June 30,
		2011				2010
ESPP compensation expense		$	158,000			$	144,000

Stock Option Plans [Member]

Assumption For Fair Value Of Options Granted

		2011				2010
Risk-free interest rate			2.6	%			2.5	%
Expected volatility			27.4	%			42.1	%
Weighted average expected life in years			7.4				4.5
Dividend yield			3.7	%			3.5	%

Employee Stock [Member]

Assumption For Fair Value Of Options Granted

		Quarter and Six Months Ended June 30,
		2011				2010
Risk-free interest rate			0.04	%			0.20	%
Expected volatility			25.0	%			34.0	%
Weighted average expected life in years			1.0				1.0
Dividend yield			3.7	%			3.5	%

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Assumption for fair value of options granted under Stock Option Plans.

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Tabular disclosure of components of a stock option or other award plan under which equity-based compensation is awarded to employees, typically comprised of the amount of unearned compensation (deferred compensation cost), compensation expense, and changes in the quantity and fair value of the shares (or other type of equity) granted, exercised, forfeited, and issued and outstanding pertaining to that plan. Disclosure may also include nature and general terms of such arrangements that existed during the period and potential effects of those arrangements on shareholders, effect of compensation cost arising from equity-based payment arrangements on the income statement, method of estimating the fair value of the goods or services received, or the fair value of the equity instruments granted, during the period, cash flow effects resulting from equity-based payment arrangements and, for registrants that accelerate vesting of out of the money share options, reasons for the decision to accelerate.

+ References

Reference 1: http://www.xbrl.org/2003/role/presentationRef
-Publisher FASB
-Name Statement of Financial Accounting Standard (FAS)
-Number 123R
-Paragraph 64, 65, A240
-LegacyDoc This reference is SUPERSEDED by the Accounting Standards Codification effective for interim and annual periods ending after September 15, 2009. This reference is included to help users transition from the previous accounting hierarchy and will be removed from future versions of this taxonomy.

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Tabular disclosure of option exercise prices, by grouped ranges, including the upper and lower limits of the price range, the number of shares under option, weighted average exercise price and remaining contractual option terms.

+ References

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-Publisher FASB
-Name Statement of Financial Accounting Standard (FAS)
-Number 123R
-Paragraph 64
-LegacyDoc This reference is SUPERSEDED by the Accounting Standards Codification effective for interim and annual periods ending after September 15, 2009. This reference is included to help users transition from the previous accounting hierarchy and will be removed from future versions of this taxonomy.

Reference 2: http://www.xbrl.org/2003/role/presentationRef
-Publisher FASB
-Name Statement of Financial Accounting Standard (FAS)
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-Paragraph A240
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-LegacyDoc This reference is SUPERSEDED by the Accounting Standards Codification effective for interim and annual periods ending after September 15, 2009. This reference is included to help users transition from the previous accounting hierarchy and will be removed from future versions of this taxonomy.

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-Name Accounting Standards Codification
-Topic 718
-SubTopic 10
-Section 50
-Paragraph 2
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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.

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