Commitments And Contingencies Disclosure [Abstract]

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- Definition

Increase In Net Earnings Due To Adjustment Of Established Legal Reserve.

+ Details

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- Definition

Increase In Net Earnings Per Diluted Share Due To Adjustment Of Established Legal Reserve.

+ Details

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- Definition

Payment Obligation Of Affiliate

+ Details

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- Definition

Prior Guarantee Obligations Maximum Exposure

+ Details

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- Definition

Term Of Equipment Leasing Agreements

+ Details

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- Definition

Maximum potential amount of future payments (undiscounted) the guarantor could be required to make under the guarantee or each group of similar guarantees before reduction for potential recoveries under recourse or collateralization provisions.

+ References

Reference 1: http://www.xbrl.org/2003/role/presentationRef
-Publisher FASB
-Name FASB Interpretation (FIN)
-Number 45
-Paragraph 13
-Subparagraph b

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- Definition

The amount of cash paid for the settlement of litigation or for other legal issues during the period.

+ References

Reference 1: http://www.xbrl.org/2003/role/presentationRef
-Publisher FASB
-Name Statement of Financial Accounting Standard (FAS)
-Number 95
-Paragraph 27

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Commitments And Contingencies (Details) (USD $)	0 Months Ended	1 Months Ended	3 Months Ended	6 Months Ended
Commitments And Contingencies (Details) (USD $)	Apr. 08, 2011	Jul. 31, 2010	Jun. 30, 2010	Jun. 30, 2010	Jul. 31, 2011	Jun. 30, 2011
Commitments And Contingencies
Settled to legal proceedings			$ 7,000,000
Increase in net earnings			2,751,000	2,751,000
Increase in earnings per diluted share			$ 0.06	$ 0.06
Payment obligation of Affiliate		12,400,000
Guarantee of affiliate's obligations	6,200,000					24,000,000
Term of equipment leasing agreements (in years)	5
Prior guarantee obligations maximum exposure					$ 20,000,000