Employee Benefits (Tables)

6 Months Ended

Jun. 29, 2013

Employee Benefits

Schedule of net periodic benefits cost of plans

	Three Months Ended				Six Months Ended
	June 29,		June 30,		June 29,		June 30,
(Thousands of dollars)	2013		2012		2013		2012
Components of net periodic benefit cost:
Service cost	$    2,263		$  2,210		$  4,684		$  4,436
Interest cost	2,035		2,177		4,103		4,435
Expected return on plan assets	(1,614	)	(1,617	)	(3,226	)	(3,209	)
Amortization and other	1,543		1,567		3,179		3,097
Agreement termination gain	(3,204	)	-		(3,204	)	-
Settlement	-		1,796		-		1,796
Net periodic benefit cost	$    1,023		$  6,133		$  5,536		$10,555