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Share Based Compensation (Tables)

6 Months Ended

Jun. 30, 2012

Share-based Compensation Arrangement by Share-based Payment Award [Line Items]

Summary of the restricted share awards under the LTIP

		Restricted Share Awards
		Performance Required				Service Required				Total Restricted Awards				Weighted-Average Grant-Date Fair Value
Nonvested as of January 1, 2012			128,567				14,078				142,645			$	37.75
Granted			41,627				4,588				46,215				60.77
Vested			0				0				0				0
Forfeited			0				0				0				0
Nonvested as of June 30, 2012			170,194				18,666				188,860			$	43.38

Weighted-average assumptions for estimating fair values for stock options granted

Risk-free interest rate			1.3	%
Dividend yield			1.9	%
Expected life (years)			6
Expected volatility			47.0	%

The 1999 Stock Option Plan [Member]

Share-based Compensation Arrangement by Share-based Payment Award [Line Items]

Activity in the Company's Plan

		Number of Shares				Weighted Average Exercise Price per Share				Weighted Average Remaining Contractual Term (Years)				Aggregate Intrinsic Value
Outstanding at January 1, 2012			49,907			$	34.39
Granted			0				0
Exercised			(400	)			39.10
Forfeited			0				0
Outstanding (vested and expected to vest) at June 30, 2012			49,507			$	34.35				4.0			$	1,166
Exercisable at June 30, 2012			47,382			$	34.14				3.9			$	1,126

Long Term Incentive Plan [Member]

Share-based Compensation Arrangement by Share-based Payment Award [Line Items]

Activity in the Company's Plan

		Number of Shares				Weighted Average Exercise Price per Share				Weighted Average Remaining Contractual Term (Years)				Aggregate Intrinsic Value
Outstanding at January 1, 2012			27,000			$	48.21
Granted			8,000				57.28
Exercised			(1,250	)			52.10
Forfeited			0				0.00
Outstanding (vested and expected to vest) at June 30, 2012			33,750			$	50.21				9.1			$	260
Exercisable at June 30, 2012			6,250			$	40.89				7.9			$	106

X

- Definition

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

- Definition

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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- Definition

Tabular disclosure of the significant assumptions used during the year to estimate the fair value of stock options, including, but not limited to: (a) expected term of share options and similar instruments, (b) expected volatility of the entity's shares, (c) expected dividends, (d) risk-free rate(s), and (e) discount for post-vesting restrictions.

+ 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 (f)(2)

-URI http://asc.fasb.org/extlink&oid=6415400&loc=d3e5070-113901

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