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Commitments And Contingencies (Changes To Warranty Liability) (Details) (USD $) In Thousands, unless otherwise specified	12 Months Ended
	Dec. 31, 2011	Dec. 31, 2010	Dec. 31, 2009
Commitments and Contingencies Disclosure [Abstract]
Warranty liabilities, beginning of period	$ 80,195	$ 96,110	$ 58,178
Warranty reserves provided	43,875	54,164	34,019
Liabilities assumed with merger	0	0	55,292
Payments	(54,766)	(69,789)	(44,600)
Other adjustments	(1,279)	(290)	(6,779)
Warranty liabilities, end of period	$ 68,025	$ 80,195	$ 96,110

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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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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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Liability for a standard product warranty acquired in a business acquisition. Does not include any liability for an extended warranty acquired in a business acquisition.

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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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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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