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Commitments And Contingencies (Changes To Warranty Liability) (Details) (USD $) In Thousands, unless otherwise specified	3 Months Ended		6 Months Ended
	Jun. 30, 2012	Jun. 30, 2011	Jun. 30, 2012	Jun. 30, 2011
Commitments and Contingencies Disclosure [Abstract]
Warranty liabilities, beginning of period	$ 64,420	$ 74,654	$ 68,025	$ 80,195
Warranty reserves provided	11,570	10,019	19,421	19,108
Payments	(11,839)	(14,202)	(23,360)	(28,209)
Other adjustments	213	50	278	(573)
Warranty liabilities, end of period	$ 64,364	$ 70,521	$ 64,364	$ 70,521

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Represents the aggregate Increase or Decrease in the liability during the reporting period for accruals related to preexisting standard and extended product warranties (including adjustments for changes in estimates).

+ References

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-Publisher FASB

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Amount as of the balance sheet date of the aggregate standard product warranty liability. Does not include the balance for the extended product warranty liability.

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Represents the aggregate decrease in the liability for payments made (in cash or in kind) to satisfy claims under the terms of the standard product warranty. Does not include any Increase or Decrease in the liability for payments related to extended product warranties.

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-Publisher FASB

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-LegacyDoc This reference is SUPERSEDED by the Accounting Standards Codification effective for interim and annual periods ending after September 15, 2009.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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Represents the aggregate increase in the liability for accruals related to standard product warranties issued during the reporting period. Does not include any increase in the liability for accruals related to extended product warranties.

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-Publisher FASB

-Name FASB Interpretation (FIN)

-Number 45

-Paragraph 14

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-LegacyDoc This reference is SUPERSEDED by the Accounting Standards Codification effective for interim and annual periods ending after September 15, 2009.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