Product Warranty Obligations (Details) (USD $) In Thousands, unless otherwise specified	3 Months Ended
Mar. 31, 2013	Mar. 31, 2012	Dec. 31, 2012
Changes in product warranty obligations [Roll Forward]
Balance at beginning of period	$ 49,585	$ 34,380
Payments, net of extended warranty receipts	(3,556)	(4,452)
Charged to operations	9,220	9,151
Balance at end of period	55,249	39,079
Product warranty obligations included in consolidated balance sheets [Abstract]
Other accrued liabilities	33,242		28,752
Other long-term liabilities	22,007		20,833
Balance at end of period	$ 55,249	$ 39,079

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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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. For classified balance sheets, represents the current portion of the liabilities (due within one year or within the normal operating cycle if longer).

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- Definition

Carrying value as of the balance sheet date of obligations incurred through that date and due after one year (or beyond the operating cycle if longer) for estimated claims under standard and extended warranty protection rights granted to customers.

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