CONDENSED CONSOLIDATED BALANCE SHEETS (Unaudited) - USD ($) $ in Thousands	Sep. 30, 2021	Dec. 31, 2020
Current assets:
Cash and cash equivalents	$ 75,578	$ 76,454
Restricted cash	4,525	3,215
Trade accounts receivable, net	425,897	407,390
Other receivables	39,454	34,253
Inventories	163,072	173,013
Current portion of contract assets	100,731	54,754
Prepaid Expense, Current	62,022	56,099
Other current assets	16,303	10,645
Total current assets	887,582	815,823
Property, plant and equipment, net	678,325	668,209
Right-of-use assets, net	98,841	96,849
Goodwill	896,728	902,074
Intangible assets, net	413,538	438,565
Deferred income tax assets	10,689	15,274
Other assets	52,470	56,493
Total assets	3,038,173	2,993,287
Current liabilities:
Short-term borrowings	13,892	7,450
Current maturities of long-term debt	9,181	13,576
Accounts payable	229,244	218,039
Accrued compensation	56,364	45,885
Income taxes payable	11,994	3,499
Current portion of advances on contracts	58,034	39,917
Current portion of operating lease liabilities	25,112	24,862
Other current liabilities	174,461	184,727
Total current liabilities	578,282	537,955
Long-term debt	1,333,574	1,271,189
Retirement plan liabilities	175,362	231,335
Advances on contracts	9,732	45,017
Operating lease liabilities	72,090	69,860
Environmental liabilities	28,589	29,424
Deferred tax liabilities	31,669	40,653
Other liabilities	55,648	54,455
Total liabilities	2,284,946	2,279,888
COMMITMENTS AND CONTINGENCIES
HARSCO CORPORATION STOCKHOLDERS' EQUITY
Common stock	144,856	144,288
Additional paid-in capital	213,095	204,078
Accumulated other comprehensive loss	(634,759)	(645,741)
Retained earnings	1,818,846	1,797,759
Treasury stock	(846,502)	(843,230)
Total Harsco Corporation stockholders’ equity	695,536	657,154
Noncontrolling interests	57,691	56,245
Total equity	753,227	713,399
Total liabilities and equity	$ 3,038,173	$ 2,993,287