The number of shares issuable under a share-based award plan pertaining to dividend payments related to previous award grants during the period on other than stock option plans (for example, phantom stock plan, stock appreciation rights plan, performance target plan).

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Number of shares (or share units) exercised and issued during the current period.

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Number of shares (or share units) exercised and issued during the current period.

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Number of shares (or share units) exercised during the current period.

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- Definition

The decrease in the number of shares that could be issued attributable to the lapse of rights to exercise previously issued equity instruments under the terms of the option agreements under the plan during the reporting period.

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- Definition

The number of grants made during the period on other than stock (or unit) option plans (for example, phantom stock or unit plan, stock or unit appreciation rights plan, performance target plan).

+ References

+ Details

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- Definition

The number of non-vested equity-based payment instruments, excluding stock (or unit) options, that validly exist and are outstanding as of the balance sheet date.

+ References

Reference 1: http://www.xbrl.org/2003/role/presentationRef

-Publisher FASB

-Name Statement of Financial Accounting Standard (FAS)

-Number 123R

-Paragraph A240

-Subparagraph b(2)(a)

-LegacyDoc This reference is SUPERSEDED by the Accounting Standards Codification effective for interim and annual periods ending after September 15, 2009.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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-Publisher FASB

-Name Statement of Financial Accounting Standard (FAS)

-Number 123R

-Paragraph A240

-Subparagraph b(2)(b)

-LegacyDoc This reference is SUPERSEDED by the Accounting Standards Codification effective for interim and annual periods ending after September 15, 2009.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 3: http://www.xbrl.org/2003/role/presentationRef

-Publisher FASB

-Name Accounting Standards Codification

-Topic 718

-SubTopic 10

-Section 50

-Paragraph 2

-Subparagraph (c)(2)(i)-(ii)

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

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- Definition

The number of shares into which fully or partially vested stock options outstanding as of the balance sheet date can be currently converted under the option plan.

+ References

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- Definition

The decrease in the number of shares that could be issued attributable to the lapse of rights to exercise previously issued stock options under the terms of the option agreements under the plan during the reporting period.

+ References

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- Definition

The number of shares under options that were cancelled during the reporting period as a result of occurrence of a terminating event specified in contractual agreements pertaining to the stock option plan.

+ References

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- Definition

Net number of share options (or share units) granted during the period.

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- Definition

The number of shares reserved for issuance under stock option agreements awarded under the plan that validly exist and are outstanding as of the balance sheet date, including vested options.

+ 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)(i)-(ii)

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

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-Publisher FASB

-Name Statement of Financial Accounting Standard (FAS)

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-Publisher FASB

-Name Statement of Financial Accounting Standard (FAS)

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-Paragraph A240

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-Name Accounting Standards Codification

-Topic 718

-SubTopic 10

-Section 50

-Paragraph 2

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

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Number of share options (or share units) exercised during the current period.

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-Publisher FASB

-Name Accounting Standards Codification

-Topic 505

-SubTopic 10

-Section 50

-Paragraph 2

-URI http://asc.fasb.org/extlink&oid=6928386&loc=d3e21463-112644

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-Publisher FASB

-Name Accounting Standards Codification

-Topic 210

-SubTopic 10

-Section S99

-Paragraph 1

-Subparagraph (SX 210.5-02.28,29)

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-Publisher SEC

-Name Regulation S-X (SX)

-Number 210

-Section 04

-Article 3

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-Name Regulation S-X (SX)

-Number 210

-Section 02

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-Section S99

-Paragraph 1

-Subparagraph (SX 210.3-04)

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Share-Based Compensation (Summarized Share-Based Compensation Activity) (Details)			3 Months Ended		9 Months Ended		3 Months Ended			9 Months Ended							3 Months Ended		9 Months Ended		3 Months Ended					3 Months Ended
	Sep. 30, 2010	Jun. 30, 2010	Sep. 30, 2011 Parent Company [Member] Restricted Shares [Member]	Sep. 30, 2010 Parent Company [Member] Restricted Shares [Member]	Sep. 30, 2011 Parent Company [Member] Restricted Shares [Member]	Sep. 30, 2010 Parent Company [Member] Restricted Shares [Member]	Sep. 30, 2010 Restricted Shares [Member]	Sep. 30, 2011 Restricted Shares [Member]	Jun. 30, 2011 Restricted Shares [Member]	Sep. 30, 2010 Parent Company [Member]	Sep. 30, 2010 Parent Company [Member] Restricted Stock Units (RSUs) [Member]	Sep. 30, 2011 Parent Company [Member] Performance Shares [Member]	Sep. 30, 2010 Parent Company [Member] Performance Shares [Member]	Sep. 30, 2011 Parent Company [Member] Stock Options [Member]	Sep. 30, 2011 Parent Company [Member] Management Performance Shares [Member]	Sep. 30, 2010 Parent Company [Member] Management Performance Shares [Member]	Sep. 30, 2011 Parent Company [Member] Director RSU's [Member]	Sep. 30, 2010 Parent Company [Member] Director RSU's [Member]	Sep. 30, 2011 Parent Company [Member] Director RSU's [Member]	Sep. 30, 2010 Parent Company [Member] Director RSU's [Member]	Sep. 30, 2010 Restricted Stock Units (RSUs) [Member]	Sep. 30, 2011 Performance Shares [Member]	Jun. 30, 2011 Performance Shares [Member]	Sep. 30, 2010 Performance Shares [Member]	Jun. 30, 2010 Performance Shares [Member]	Sep. 30, 2011 Stock Options [Member]	Sep. 30, 2011 Management Performance Shares [Member]	Sep. 30, 2010 Management Performance Shares [Member]
Outstanding at beginning of year	351,500	351,500			219,391	218,197	249,101	258,652	284,237	417,500				351,500	104,124	84,241					3,311	296,591	296,591	307,985	307,985	500	111,298	110,706
Granted					67,346	42,796	2,617								49,510	37,480
Exercised			(25,585)	(1,800)	(28,085)	(10,803)				(66,000)				(75,500)	(7,911)						(3,311)					(500)
Expired														(276,000)	(31,081)
Forfeited						(7,907)	(7,635)								(5,684)	(12,509)											(2,340)	(1,494)
Outstanding at period end	351,500	351,500	258,652	242,283	258,652	242,283	242,283	258,652	284,237	351,500					108,958	109,212						296,591	296,591	307,985	307,985		108,958	109,212
Exercisable at period end	351,500									351,500
Outstanding at beginning of year											3,311	278,334	237,704					15,944	16,320	20,712
Granted												85,093	161,534				14,392		14,392	15,752
Dividends																	634	655	1,996	1,809
Exercised											3,311		(91,253)
Exercised and issued																			2,066	2,618
Exercised and deferred																	(634)	(471)	16,250	19,527
Expired												(66,836)
Outstanding at period end												296,591	307,985				14,392	16,128	14,392	16,128