XML 28 R13.htm IDEA: XBRL DOCUMENT v2.4.0.8

Note C - Product Warranties (Tables)

9 Months Ended

Sep. 30, 2013

Product Warranties Disclosures [Abstract]

Schedule of Product Warranty Liability [Table Text Block]

(Thousands of dollars)		September 30,
		2013				2012
Balance at beginning of year		$	1,133			$	1,228
Provision			1,023				1,059
Claims			(995	)			(1,117	)
Balance at end of period		$	1,161			$	1,170

X

- Details

Name:	us-gaap_ProductWarrantiesDisclosuresAbstract
Namespace Prefix:	us-gaap_
Data Type:	xbrli:stringItemType
Balance Type:	na
Period Type:	duration

X

- 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

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