Pension and Postretirement Benefits (Tables)

3 Months Ended

Mar. 30, 2014

Pension and Postretirement Benefits (Thousands of Dollars) [Abstract]

Components of net periodic cost

(7) Pension and Postretirement Benefits

The components of the net periodic cost of the Company's defined benefit pension and other postretirement plans for the quarters ended March 30, 2014 and March 31, 2013 are as follows:

	Quarter Ended
	Pension						Postretirement
	March 30, 2014			March 31, 2013			March 30, 2014			March 31, 2013
Service cost	$	971			1,502			137			188
Interest cost		5,058			4,795			332			345
Expected return on assets		(5,560	)		(5,541	)		-			-
Net amortization and deferrals		1,252			2,392			(113	)		(65	)
Curtailment losses		-			2,959			-			-
Net periodic benefit cost	$	1,721			6,107			356			468