Pension And Other Postretirement Benefits (Tables)

3 Months Ended

Apr. 01, 2012

Pension And Other Postretirement Benefits [Abstract]

Schedule Of Net Benefit Cost Of Pension And Postretirement Benefit Plans

	Pension Three Months Ended						Other Postretirement  Benefits Three Months Ended
	April 1, 2012			March 27, 2011			April 1, 2012		March 27, 2011
	(Dollars in thousands)
Service cost	$	678		$	579		$	158	$	198
Interest cost		4,126			4,244			473		550
Expected return on plan assets		(5,043	)		(4,901	)		—		—
Net amortization and deferral		1,606			1,056			123		70
Net benefit cost	$	1,367		$	978		$	754	$	818