Guarantees and Product Warranties (Details) (USD $) In Thousands	9 Months Ended
Sep. 30, 2011	Sep. 30, 2010	Dec. 31, 2010
Changes in warranty liability balance
Beginning Balance	$ 78,313	$ 62,673
Current period accruals	34,894	50,409
Current period settlements	(50,375)	(41,343)
Ending Balance	62,832	71,739
Guarantees and Product Warranties (Textuals)
Carrying value of the bonds	11,900		11,900
Maximum future payment obligations	72,956		74,629
Standby letters of credit	22,735		23,202
Liability associated with Standby letters of credit	$ 0		$ 0

Guarantees and product warranties.

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Industrial development revenue bonds.

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Standby letters of credit.

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The current carrying amount of the liability for the freestanding or embedded guarantor's obligations under the guarantee or each group of similar guarantees.

+ References

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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.

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A roll forward is a reconciliation of a concept from the beginning of a period to the end of a period.

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Carrying value as of the balance sheet date of obligations incurred through that date and payable for estimated claims under standard and extended warranty protection rights granted to customers.

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-Publisher SEC

-Name Regulation S-X (SX)

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Represents the aggregate decrease in the liability related to payments to satisfy claims for standard and extended product warranties.

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Represents the aggregate increase in the liability for accruals related to standard and extended product warranties issued during the reporting period.

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