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Commitments And Contingencies (Changes To The Company's Warranty Liability) (Details) (USD $) In Thousands	3 Months Ended		9 Months Ended
	Sep. 30, 2011	Sep. 30, 2010	Sep. 30, 2011	Sep. 30, 2010
Commitments And Contingencies [Abstract]
Warranty liability, beginning of period	$ 70,521	$ 84,237	$ 80,195	$ 96,110
Warranty reserves provided	11,858	14,656	30,966	39,964
Payments	(12,705)	(17,178)	(40,914)	(53,954)
Other adjustments	(827)	(1,045)	(1,400)	(1,450)
Warranty liability, end of period	$ 68,847	$ 80,670	$ 68,847	$ 80,670

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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).

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The expense charged against earnings for the period pertaining to standard and extended warranties on the entity's goods and services granted to customers.

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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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