Employee Retirement and Pension Benefits (Tables)

9 Months Ended

Sep. 28, 2019

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 28, 2019			September 29, 2018			September 28, 2019			September 29, 2018
Components of pension benefit expense - U.S. benefit plan:
Administrative cost	$	1,250		$	1,223		$	3,750		$	2,873
Interest cost	3,725			3,300			11,175			10,000
Expected return on plan assets	(4,650		)	(5,200		)	(13,950		)	(14,250		)
Amortization of net actuarial pension loss	2,225			2,325			6,675			8,325
Pension benefit expense	$	2,550		$	1,648		$	7,650		$	6,948