Employee Retirement and Pension Benefits (Tables)

9 Months Ended

Sep. 26, 2020

Retirement Benefits [Abstract]

Schedule of Net Benefit Costs

Pension expense, as recorded in the accompanying unaudited consolidated statements of operations, is determined by using spot rate assumptions made on January 1 of each year as summarized below:

	Three Months Ended				Nine Months Ended
(amounts in thousands)	September 26, 2020		September 28, 2019		September 26, 2020		September 28, 2019
Components of pension benefit expense - U.S. benefit plan:
Administrative cost	$	775	$	1,250	$	2,325	$	3,750
Interest cost	3,050		3,725		9,150		11,175
Expected return on plan assets	(5,475)		(4,650)		(16,425)		(13,950)
Amortization of net actuarial pension loss	1,725		2,225		5,175		6,675
Pension benefit expense	$	75	$	2,550	$	225	$	7,650