Pension plan (Tables)

9 Months Ended

Mar. 30, 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 and first nine months ended March 30, 2013 and March 31, 2012 were as follows:

	Third Quarters Ended						Nine Months Ended
	March 30, 2013			March 31, 2012			March 30, 2013			March 31, 2012
	(Thousands)
Service cost	$	9,230		$	7,095		$	27,690		$	21,285
Interest cost	3,663			3,731			10,989			11,193
Expected return on plan assets	(6,976		)	(6,734		)	(20,928		)	(20,202		)
Recognized net actuarial loss	3,724			2,420			11,172			7,260
Amortization of prior service credit	(393		)	(469		)	(1,179		)	(1,407		)
Net periodic pension cost	$	9,248		$	6,043		$	27,744		$	18,129