Employee Benefit Plans (Tables)

9 Months Ended

Sep. 28, 2013

Employee Benefit Plans [Abstract]

Components Of Net Periodic Benefit Cost

(THOUSANDS OF DOLLARS)	THREE MONTHS ENDED				NINE MONTHS ENDED
	SEPTEMBER 28,		SEPTEMBER 29,		SEPTEMBER 28,		SEPTEMBER 29,
	2013		2012		2013		2012
Service cost	$	59	$	12	$	176	$	37
Interest cost		500		561		1,500		1,681
Expected return on plan assets		(709)		(578)		(2,128)		(1,732)
Amortization of unrecognized loss		449		287		1,349		863
Amortization of prior service cost		3		3		9		9
Net Periodic Benefit Cost	$	302	$	285	$	906	$	858