Employee Benefits (Tables)

9 Months Ended

Sep. 28, 2013

Employee Benefits

Schedule of net periodic benefits cost of plans

	Three Months Ended				Nine Months Ended
	September 28,		September 29,		September 28,		September 29,
(Thousands of dollars)	2013		2012		2013		2012
Components of net periodic benefit cost:
Service cost	$	2,342	$	2,221	$	7,026	$  6,657
Interest cost	2,028		2,220		6,131		6,655
Expected return on plan assets	(1,615)		(1,608)		(4,841)		(4,817)
Amortization and other	1,565		1,550		4,744		4,647
Agreement termination gain	-		-		(3,204)		-
Settlement	-		-		-		1,796
Net periodic benefit cost	$	4,320	$	4,383	$	9,856	$14,938