Pension plan (Tables)

3 Months Ended

Sep. 27, 2014

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 first quarters ended September 27, 2014 and September 28, 2013 were as follows:

	First Quarters Ended
	September 27, 2014			September 28, 2013
	(Thousands)
Service cost	$	9,873		$	9,183
Interest cost	4,449			4,289
Expected return on plan assets	(9,055		)	(7,727		)
Recognized net actuarial loss	3,251			3,171
Amortization of prior service credit	(393		)	(393		)
Net periodic pension cost	$	8,125		$	8,523