Warranty Costs (Tables)

3 Months Ended

Mar. 30, 2013

Warranty Costs [Abstract]

Schedule Of Activity Reflects In Aggregate Accrued Warranty Costs

(THOUSANDS OF DOLLARS)	THREE MONTHS ENDED
	MARCH 30,		MARCH 31,
	2013		2012
Accrued Warranty Costs - Beginning of Period	$	1,712	$	1,892
Warranty costs paid		(100)		(135)
Warranty costs accrued		89		174
Accrued Warranty Costs - End of Period	$	1,701	$	1,931