Condensed Consolidated Balance Sheets (Unaudited) - USD ($) $ in Thousands	Sep. 26, 2021	Dec. 31, 2020
Current assets:
Cash and cash equivalents	$ 157,268	$ 85,908
Accounts receivable, net	524,707	585,511
Prepaid expenses and other current assets	63,043	61,607
Total current assets	745,018	733,026
Property and equipment, net	36,600	27,615
Investments	15,407	18,272
Goodwill	593,171	590,668
Intangible assets, net	220,734	258,210
Operating lease right-of-use assets, net	192,638	191,370
Other noncurrent assets	14,928	10,209
Total assets	1,818,496	1,829,370
Current liabilities:
Accounts payable	124,959	152,962
Accrued expenses	107,446	114,222
Customer advances and billings in excess of costs	106,221	106,475
Salaries, benefits and payroll taxes	153,229	145,186
Accrued taxes	12,132	15,582
Current portion of long-term debt, net	7,036	5,961
Operating lease liabilities, current portion	47,205	46,756
Other current liabilities	38,559	45,037
Total current liabilities	596,787	632,181
Deferred income taxes, net	11,006	4,389
Long-term debt, net	865,016	860,306
Long-term operating lease liabilities	150,280	145,569
Warrant liability	32,934	50,467
Other long-term liabilities	13,509	30,273
Total liabilities	1,669,532	1,723,185
Stockholders’ equity:
Preferred stock, $0.0001 par value per share, 1,000,000 shares authorized; no shares issued and outstanding	0	0
Common stock, $0.0001 par value per share: 210,000,000 shares authorized; 93,115,801 and 92,040,654 shares issued and outstanding as of September 26, 2021 and December 31, 2020, respectively	9	9
Additional paid-in capital	171,807	188,685
Accumulated deficit	(59,098)	(116,621)
Accumulated other comprehensive income	1,230	1,876
Total PAE Incorporated stockholders' equity	113,948	73,949
Noncontrolling interests	35,016	32,236
Total liabilities and stockholders’ equity	$ 1,818,496	$ 1,829,370