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CONSOLIDATED BALANCE SHEETS - USD ($) $ in Thousands | Jun. 30, 2020 | Dec. 31, 2019
--- | --- | ---
CURRENT ASSETS: |  |
Cash and cash equivalents | $ 53,253 | $ 50,788
Billed accounts receivable, less allowance for credit losses of $9,998 and $6,907, respectively | 624,526 | 619,037
Unbilled accounts receivable, less allowance for credit losses of $684 and $0, respectively | 47,654 | 55,542
Other receivables, less allowance for credit losses of $884 and $0, respectively | 20,892 | 37,632
Inventories | 12,212 | 10,053
Prepaid expenses and other | 10,453 | 14,396
Costs and estimated earnings in excess of billings, less allowance for credit losses of $79 and $0, respectively | 23,515 | 2,736
Total current assets | 792,505 | 790,184
PROPERTY AND EQUIPMENT, NET | 121,569 | 109,796
LEASE RIGHT-OF-USE ASSET | 97,586 | 84,073
GOODWILL | 420,782 | 332,447
IDENTIFIABLE INTANGIBLE ASSETS, NET | 210,164 | 159,974
DEFERRED TAX ASSETS | 25,833 | 21,923
OTHER NONCURRENT ASSETS | 7,004 | 6,615
Total assets | 1,675,443 | 1,505,012
CURRENT LIABILITIES: |  |
Current maturities of long-term debt | 85 | 20,817
Accounts payable | 202,075 | 196,195
Accrued compensation and benefits | 101,243 | 102,891
Billings in excess of costs and estimated earnings | 226,047 | 166,918
Accrued self-insurance | 46,099 | 39,546
Other current liabilities | 105,937 | 81,630
Total current liabilities | 681,486 | 607,997
LONG-TERM DEBT, NET | 231,442 | 205,318
LEASE LIABILITIES | 83,753 | 72,697
DEFERRED TAX LIABILITIES | 3,365 | 1,425
OTHER LONG-TERM LIABILITIES | 46,964 | 32,271
Total liabilities | 1,047,010 | 919,708
COMMITMENTS AND CONTINGENCIES |  |
STOCKHOLDERS' EQUITY: |  |
Preferred stock, $.01 par, 5,000,000 shares authorized, none issued and outstanding |  |
Common stock, $.01 par, 102,969,912 shares authorized, 41,123,365 and 41,123,365 shares issued, respectively | 411 | 411
Treasury stock, at cost, 4,620,071 and 4,465,448 shares, respectively | (112,104) | (103,960)
Additional paid-in capital | 322,419 | 320,168
Retained earnings | 417,707 | 368,685
Total stockholders' equity | 628,433 | 585,304
Total liabilities and stockholders' equity | $ 1,675,443 | $ 1,505,012

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