Employee Benefit Plans (Tables)

9 Months Ended

Sep. 29, 2012

Employee Benefit Plans [Abstract]

Components Of Net Periodic Benefit Cost

(THOUSANDS OF DOLLARS)	THREE MONTHS ENDED				NINE MONTHS ENDED
	SEPTEMBER 29,		OCTOBER 1,		SEPTEMBER 29,		OCTOBER 1,
	2012		2011		2012		2011
Service cost	$	12	$	13	$	37	$	38
Interest cost		561		554		1,681		1,662
Expected return on plan assets		(578)		(559)		(1,732)		(1,678)
Amortization of unrecognized loss		287		238		863		716
Amortization of prior service cost		3		3		9		9
Net Periodic Benefit Cost	$	285	$	249	$	858	$	747