Retirement Plans (Tables)

3 Months Ended

Mar. 29, 2014

Compensation and Retirement Disclosure [Abstract]

Schedule of net periodic (benefit) expenses

The components of the net periodic (benefit) expense for the Company’s pension plans, supplemental executive retirement plans ("SERP") and other postretirement benefit plans ("OPEB") are as follows (in thousands):

	For the Three Months Ended
	March 29, 2014			March 30, 2013
Service cost	$	—		$	—
Interest cost	3,707			3,421
Expected return on plan assets	(5,206		)	(4,618		)
Net amortization and deferral	—			(2		)
Recognized net actuarial loss	794			1,992
Net periodic (benefit) expense	$	(705	)	$	793