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NOTE C - PRODUCT WARRANTIES

3 Months Ended

Jun. 30, 2011

Product Warranty Disclosure [Text Block]

NOTE C - PRODUCT WARRANTIES

A liability is established for estimated future warranty and service claims based on historical claims experience, specific product failures and sales volume.  The Company expenses warranty costs directly to cost of products sold.  Changes in the Company’s product warranty liability are as follows:

(Thousands of dollars)		June 30,
		2011				2010
Balance at beginning of year		$	1,543			$	1,863
Provision			610				486
Claims			(717	)			(944	)
Balance at end of period		$	1,436			$	1,405

X

- Definition

The entire disclosure for standard and extended product warranties and other product guarantee contracts, including a tabular reconciliation of the changes in the guarantor's aggregate product warranty liability for the reporting period.

+ References

Reference 1: http://www.xbrl.org/2003/role/presentationRef
-Publisher FASB
-Name FASB Interpretation (FIN)
-Number 45
-Paragraph 14
-Subparagraph a, b
-LegacyDoc This reference is SUPERSEDED by the Accounting Standards Codification effective for interim and annual periods ending after September 15, 2009. This reference is included to help users transition from the previous accounting hierarchy and will be removed from future versions of this taxonomy.

Reference 2: 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