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Commitments and Contingencies (Reconcilation of Changes in Product Warranty and Recal Liability) (Details) (USD $) In Thousands, unless otherwise specified	9 Months Ended
	Sep. 30, 2013	Sep. 30, 2012
Commitments and Contingencies [Abstract]
Product warranty and recall at beginning of period	$ 6,107	$ 5,301
Accruals for products shipped during period	3,681	1,501
Aggregate changes in pre-existing liabilities due to claim developments	1,527	693
Settlements made during the period (in cash or in kind)	(4,835)	(1,661)
Product warranty and recall at end of period	$ 6,480	$ 5,834

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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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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 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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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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