Pension plan (Tables)

6 Months Ended

Dec. 28, 2013

Compensation and Retirement Disclosure [Abstract]

Components of net periodic pension costs

The Company has a noncontributory defined benefit pension plan (the “Plan”) for which the components of net periodic pension costs during the quarters ended December 28, 2013 and December 29, 2012 were as follows:

	Second Quarters Ended						Six Months Ended
	December 28, 2013			December 29, 2012			December 28, 2013			December 29, 2012
	(Thousands)
Service cost	$	9,183		$	9,230		$	18,366		$	18,460
Interest cost	4,289			3,663			8,578			7,326
Expected return on plan assets	(7,727		)	(6,976		)	(15,454		)	(13,952		)
Recognized net actuarial loss	3,171			3,724			6,342			7,448
Amortization of prior service credit	(393		)	(393		)	(786		)	(786		)
Net periodic pension cost	$	8,523		$	9,248		$	17,046		$	18,496