Securities (including those issuable pursuant to contingent stock agreements) that could potentially dilute basic earnings per share (EPS) or earnings per unit (EPU) in the future that were not included in the computation of diluted EPS or EPU because to do so would increase EPS or EPU amounts or decrease loss per share or unit amounts for the period presented.

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

-Publisher FASB

-Name Accounting Standards Codification

-Glossary Antidilution

-URI http://asc.fasb.org/extlink&oid=6505113

Reference 2: http://www.xbrl.org/2003/role/presentationRef

-Publisher FASB

-Name Statement of Financial Accounting Standard (FAS)

-Number 128

-Paragraph 171

-LegacyDoc This reference is SUPERSEDED by the Accounting Standards Codification effective for interim and annual periods ending after September 15, 2009.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 Statement of Financial Accounting Standard (FAS)

-Number 128

-Paragraph 40

-Subparagraph c

-LegacyDoc This reference is SUPERSEDED by the Accounting Standards Codification effective for interim and annual periods ending after September 15, 2009.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 4: http://www.xbrl.org/2003/role/presentationRef

-Publisher FASB

-Name Statement of Financial Accounting Standard (FAS)

-Number 128

-Paragraph 13, 14

-LegacyDoc This reference is SUPERSEDED by the Accounting Standards Codification effective for interim and annual periods ending after September 15, 2009.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 5: http://www.xbrl.org/2003/role/presentationRef

-Publisher FASB

-Name Emerging Issues Task Force (EITF)

-Number 07-4

-Paragraph 4

-LegacyDoc This reference is SUPERSEDED by the Accounting Standards Codification effective for interim and annual periods ending after September 15, 2009.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 6: http://www.xbrl.org/2003/role/presentationRef

-Publisher FASB

-Name Accounting Standards Codification

-Glossary Diluted Earnings Per Share

-URI http://asc.fasb.org/extlink&oid=6510752

Reference 7: http://www.xbrl.org/2003/role/presentationRef

-Publisher FASB

-Name Accounting Standards Codification

-Topic 260

-SubTopic 10

-Section 50

-Paragraph 1

-Subparagraph (c)

-URI http://asc.fasb.org/extlink&oid=6371337&loc=d3e3550-109257

Reference 8: http://www.xbrl.org/2003/role/presentationRef

-Publisher FASB

-Name Accounting Standards Codification

-Glossary Contingent Stock Agreement

-URI http://asc.fasb.org/extlink&oid=6508534

+ Details

(Loss) Earnings Per Share (Stock Appreciation Rights) (Details) (USD $) In Thousands, except Per Share data, unless otherwise specified	3 Months Ended								12 Months Ended
	Sep. 30, 2010	Jun. 30, 2010	Mar. 31, 2010	Dec. 31, 2009	Sep. 30, 2009	Jun. 30, 2009	Mar. 31, 2009	Dec. 31, 2008	Sep. 30, 2010	Sep. 30, 2009
SARs At $56.56 Per Share [Member]
Antidilutive Securities Excluded from Computation of Earnings Per Share [Line Items]
Stock appreciation rights not included in computation of diluted EPS				405,000		405,000	435,000	435,000
Grant date price per share of stock appreciation rights									$ 56.56	$ 56.56
SARs At $66.07 Per Share [Member]
Antidilutive Securities Excluded from Computation of Earnings Per Share [Line Items]
Stock appreciation rights not included in computation of diluted EPS	503,500	503,500	503,500	503,500	503,500	508,000	538,000	538,000
Grant date price per share of stock appreciation rights									$ 66.07	$ 66.07
SARs At $65.45 Per Share [Member]
Antidilutive Securities Excluded from Computation of Earnings Per Share [Line Items]
Stock appreciation rights not included in computation of diluted EPS				25,000	25,000	25,000	25,000	25,000
Grant date price per share of stock appreciation rights									$ 65.45	$ 65.45
SARs At $58.79 Per Share [Member]
Antidilutive Securities Excluded from Computation of Earnings Per Share [Line Items]
Stock appreciation rights not included in computation of diluted EPS	8,000	8,000	8,000	8,000	8,000	8,000
Grant date price per share of stock appreciation rights									$ 58.79	$ 58.79
SARs At $56.27 Per Share [Member]
Antidilutive Securities Excluded from Computation of Earnings Per Share [Line Items]
Stock appreciation rights not included in computation of diluted EPS	387,400	390,400	390,400	390,400
Grant date price per share of stock appreciation rights									$ 56.27
SARs At $57.14 Per Share [Member]
Antidilutive Securities Excluded from Computation of Earnings Per Share [Line Items]
Stock appreciation rights not included in computation of diluted EPS	12,500	12,500	12,500	12,500
Grant date price per share of stock appreciation rights									$ 57.14
SARs At $57.45 Per Share [Member]
Antidilutive Securities Excluded from Computation of Earnings Per Share [Line Items]
Stock appreciation rights not included in computation of diluted EPS	573,400
Grant date price per share of stock appreciation rights									$ 57.45