Warranty Costs (Tables)

9 Months Ended

Sep. 29, 2012

Warranty Costs [Abstract]

Schedule Of Activity Reflects In Aggregate Accrued Warranty Costs

(THOUSANDS OF DOLLARS)	THREE MONTHS ENDED				NINE MONTHS ENDED
	SEPTEMBER 29,		OCTOBER 1,		SEPTEMBER 29,		OCTOBER 1,
	2012		2011		2012		2011
Accrued Warranty Costs - Beginning of Period	$	1,887	$	1,862	$	1,892	$	1,998
Warranty costs paid		(67)		(432)		(205)		(572)
Warranty costs accrued		28		588		161		818
Impact of changes in estimates and assumptions		-		-		-		(226)
Accrued Warranty Costs - End of Period	$	1,848	$	2,018	$	1,848	$	2,018