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Accrued Warranty Costs (Tables)

3 Months Ended

Mar. 31, 2013

Changes in Product Warranty Obligation (Accrued Warranty Costs)

Changes in our product warranty obligation (accrued warranty costs) are as follows:

		Three Months Ended
		March 31,
		2013				2012
		(In Thousands)
Balance at beginning of period		$	6,172			$	5,370
Amounts charged to costs and expenses			1,990				1,568
Costs incurred			(1,676	)			(1,322	)
Balance at end of period		$	6,486			$	5,616

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- Definition

Tabular disclosure of the changes in the guarantor's aggregate product warranty liability, including the beginning balance of the aggregate product warranty liability, the aggregate reductions in that liability for payments made (in cash or in kind) under the warranty, the aggregate changes in the liability for accruals related to product warranties issued during the reporting period, the aggregate changes in the liability for accruals related to preexisting warranties (including adjustments related to changes in estimates), and the ending balance of the aggregate product warranty liability.

+ References

Reference 1: http://www.xbrl.org/2003/role/presentationRef

-Publisher FASB

-Name Accounting Standards Codification

-Topic 460

-SubTopic 10

-Section 50

-Paragraph 8

-URI http://asc.fasb.org/extlink&oid=6398077&loc=d3e12565-110249

+ Details

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Namespace Prefix:	us-gaap_
Data Type:	nonnum:textBlockItemType
Balance Type:	na
Period Type:	duration