Leases (Tables)

12 Months Ended

Dec. 31, 2020

Leases [Abstract]

Lease, Cost [Table Text Block]

The components of lease expense were as follows:

(In thousands)	2020		2019
Finance leases:
Amortization expense	$	1,523	$	1,234
Interest on lease liabilities	184		50
Operating leases	30,461		16,083
Variable and short-term leases	42,772		23,470
Sublease income	(202)		(198)
Total lease expense from continuing operations	$	74,738	$	40,639

Supplemental cash flow information related to leases was as follows:

(In thousands)	2020		2019
Cash paid for amounts included in the measurement of lease liabilities:
Cash flows from operating activities - Operating leases	$	28,057	$	15,143
Cash flows from financing activities - Finance leases	1,367		1,317
ROU assets obtained in exchange for lease obligations:
Operating leases (a)	$	69,044	$	65,525
Finance leases	6,220		2,658

(a)     Cash flows include ROU assets of approximately $56 million that were recorded upon the acquisition of ESOL in 2020, approximately $34 million that were recorded upon adoption at January 1, 2019 and approximately $26 million that were recorded upon the acquisition of Clean Earth in 2019. See Note 3, Acquisitions and Dispositions, for additional information.

Supplemental balance sheet information related to leases was as follows: 

(In thousands)	2020		2019
Operating Leases:
Operating lease ROU assets	$	96,849	$	52,065
Current portion of operating lease liabilities	24,862		12,544
Operating lease liabilities	69,860		36,974
Finance Leases:
Property, plant and equipment, net	$	8,434	$	3,519
Current maturities of long-term debt	1,683		1,237
Long-term debt	6,867		2,218

Supplemental additional information related to leases was as follows:

	2020		2019
Other information:
Weighted average remaining lease term - Operating leases (in years)	8.00		11.57
Weighted average remaining lease term - Finance leases (in years)	8.20		4.01
Weighted average discount rate - Operating leases	6.1	%	6.3	%
Weighted average discount rate - Finance leases	5.1	%	4.2	%

Schedule of Future Minimum Rental Payments for Operating Leases

Lessee, Operating Lease, Liability, Maturity [Table Text Block]

Maturities of lease liabilities were as follows:

(In thousand)	Operating Leases		Finance Leases
Year Ending December 31:
2021	$	30,611	$	1,972
2022	23,766		1,708
2023	18,791		1,492
2024	13,003		1,321
2025	7,994		708
After 2025	38,388		3,420
Total lease payments	132,553		10,621
Less: Imputed interest	(37,831)		(2,071)
Total	$	94,722	$	8,550

Finance Lease, Liability, Maturity [Table Text Block]

Maturities of lease liabilities were as follows:

(In thousand)	Operating Leases		Finance Leases
Year Ending December 31:
2021	$	30,611	$	1,972
2022	23,766		1,708
2023	18,791		1,492
2024	13,003		1,321
2025	7,994		708
After 2025	38,388		3,420
Total lease payments	132,553		10,621
Less: Imputed interest	(37,831)		(2,071)
Total	$	94,722	$	8,550