CONDENSED CONSOLIDATED BALANCE SHEETS (Unaudited) - USD ($) $ in Thousands	Mar. 31, 2021	Dec. 31, 2020
Current assets:
Cash and cash equivalents	$ 79,308	$ 76,454
Restricted cash	3,017	3,215
Trade accounts receivable, net	417,830	407,390
Other receivables	32,998	34,253
Inventories	171,587	173,013
Current portion of contract assets	72,133	54,754
Prepaid Expense, Current	55,231	56,099
Other current assets	14,217	10,645
Total current assets	846,321	815,823
Property, plant and equipment, net	655,462	668,209
Right-of-use assets, net	89,772	96,849
Goodwill	900,314	902,074
Intangible assets, net	430,589	438,565
Deferred income tax assets	10,155	15,274
Other assets	57,731	56,493
Total assets	2,990,344	2,993,287
Current liabilities:
Short-term borrowings	5,062	7,450
Current maturities of long-term debt	6,720	13,576
Accounts payable	209,988	218,039
Accrued compensation	43,092	45,885
Income taxes payable	4,698	3,499
Current portion of advances on contracts	41,089	39,917
Current portion of operating lease liabilities	23,632	24,862
Other current liabilities	184,451	184,727
Total current liabilities	518,732	537,955
Long-term debt	1,334,325	1,271,189
Retirement plan liabilities	206,178	231,335
Advances on contracts	31,403	45,017
Operating lease liabilities	64,029	69,860
Environmental liabilities	29,044	29,424
Deferred tax liabilities	33,178	40,653
Other liabilities	56,872	54,455
Total liabilities	2,273,761	2,279,888
COMMITMENTS AND CONTINGENCIES
HARSCO CORPORATION STOCKHOLDERS' EQUITY
Preferred stock	0	0
Common stock	144,764	144,288
Additional paid-in capital	206,944	204,078
Accumulated other comprehensive loss	(643,446)	(645,741)
Retained earnings	1,797,894	1,797,759
Treasury stock	(846,182)	(843,230)
Total Harsco Corporation stockholders’ equity	659,974	657,154
Noncontrolling interests	56,609	56,245
Total equity	716,583	713,399
Total liabilities and equity	$ 2,990,344	$ 2,993,287