Postretirement benefits other than pension (Tables) (Other Postretirement Benefit Plan, Defined Benefit [Member])

6 Months Ended

Jun. 29, 2014

Other Postretirement Benefit Plan, Defined Benefit [Member]

Defined Benefit Plan Disclosure [Line Items]

Postretirement benefit costs for health care and life insurance

Post-retirement benefit costs for health care and life insurance are presented in the following table:

In thousands	Thirteen Weeks Ended						Twenty-six Weeks Ended
	Jun. 29, 2014			Jun. 30, 2013			Jun. 29, 2014			Jun. 30, 2013
Service cost-benefits earned during the period	$	68		$	89		$	186		$	264
Interest cost on net benefit obligation	1,030			1,303			2,515			2,828
Amortization of prior service credit	(3,116		)	(2,282		)	(5,483		)	(4,582		)
Amortization of actuarial loss	124			85			332			585
Net periodic post-retirement benefit credit	$	(1,894	)	$	(805	)	$	(2,450	)	$	(905	)