Pensions and Other Postretirement Benefits (Tables)

6 Months Ended

Jun. 27, 2015

Compensation and Retirement Disclosure [Abstract]

Schedule of Net Pension and Other Retirement Plan Costs

The following table sets forth the components of the net periodic benefit cost for the Company's defined benefit pension and other postretirement benefit plans (in thousands):

	Fiscal quarter ended   June 27, 2015					Fiscal quarter ended   June 28, 2014
	Pension Plans			OPEB Plans		Pension Plans			OPEB Plans
Net service cost	$	103		$	19	$	107		$	21
Interest cost	214			30		238			31
Expected return on plan assets	(163		)	—		(201		)	—
Amortization of actuarial losses	58			19		7			9
Net periodic benefit cost	$	212		$	68	$	151		$	61

	Six fiscal months ended June 27, 2015					Six fiscal months ended June 28, 2014
	Pension Plans			OPEB Plans		Pension Plans			OPEB Plans
Net service cost	$	206		$	38	$	212		$	42
Interest cost	427			60		473			62
Expected return on plan assets	(326		)	—		(399		)	—
Amortization of actuarial losses	116			38		14			18
Net periodic benefit cost	$	423		$	136	$	300		$	122