Defined Benefit Pension Plans (Tables)

6 Months Ended

Jun. 30, 2021

Retirement Benefits [Abstract]

Schedule of Amounts Recognized in the Consolidated Balance Sheets

Amounts recognized on the Consolidated Balance Sheets consist of:

In thousands	June 30, 2021		December 31, 2020
Liabilities
Current portion of pension benefit obligation in wages and benefits payable	$	3,569	$	3,069
Long-term portion of pension benefit obligation	116,666		119,457
Pension benefit obligation, net	$	120,235	$	122,526

Schedule of Net Periodic Pension Benefit Costs

Net periodic pension benefit cost for our plans include the following components:

	Three Months Ended June 30,				Six Months Ended June 30,
In thousands	2021		2020		2021		2020
Service cost	$	1,102	$	1,017	$	2,251	$	1,993
Interest cost	349		457		701		930
Expected return on plan assets	(88)		(134)		(177)		(280)
Amortization of prior service costs	17		16		34		32
Amortization of actuarial net loss	694		453		1,389		908
Net periodic benefit cost	$	2,074	$	1,809	$	4,198	$	3,583