Warranty Costs (Tables)

9 Months Ended

Sep. 28, 2013

Warranty Costs [Abstract]

Schedule Of Activity Reflects In Aggregate Accrued Warranty Costs

(THOUSANDS OF DOLLARS)	THREE MONTHS ENDED				NINE MONTHS ENDED
	SEPTEMBER 28,		SEPTEMBER 29,		SEPTEMBER 28,		SEPTEMBER 29,
	2013		2012		2013		2012
Accrued Warranty Costs - Beginning of Period	$	1,728	$	1,887	$	1,712	$	1,892
Warranty costs paid		(106)		(67)		(369)		(205)
Warranty costs accrued		255		28		534		161
Warranty liability sold		(1,249)		-		(1,249)		-
Accrued Warranty Costs - End of Period	$	628	$	1,848	$	628	$	1,848