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CONSOLIDATED BALANCE SHEETS - USD ($) $ in Thousands | Dec. 31, 2020 | Sep. 30, 2020
--- | --- | ---
Current assets: |  |
Cash and cash equivalents | $ 132,597 | $ 71,737
Accounts receivable — billed and billable, net of allowance of $6,579 and $6,051 | 662,059 | 622,871
Accounts receivable — unbilled | 120,764 | 163,332
Income taxes receivable | 2,472 | 2,075
Prepaid expenses and other current assets | 68,935 | 72,543
Total current assets | 986,827 | 932,558
Property and equipment, net | 62,548 | 66,721
Capitalized software, net | 40,434 | 38,033
Operating lease right-of-use assets | 165,448 | 177,159
Goodwill | 595,927 | 593,129
Intangible assets, net | 140,484 | 145,893
Deferred contract costs, net | 21,294 | 20,891
Deferred compensation plan assets | 42,350 | 36,819
Deferred income taxes | 222 | 1,915
Other assets | 10,699 | 11,584
Total assets | 2,066,233 | 2,024,702
Current liabilities: |  |
Accounts payable and accrued liabilities | 266,038 | 253,338
Accrued compensation and benefits | 93,443 | 137,101
Deferred revenue | 58,307 | 51,655
Income taxes payable | 22,685 | 5,377
Current portion of long-term debt and other borrowings | 14,159 | 10,878
Operating lease liabilities | 72,482 | 80,748
Other current liabilities | 20,286 | 22,071
Total current liabilities | 547,400 | 561,168
Deferred revenue, less current portion | 27,428 | 27,311
Deferred income taxes | 24,417 | 24,737
Long-term debt, less current portion | 18,481 | 18,017
Deferred compensation plan liabilities, less current portion | 45,304 | 38,654
Operating lease liabilities, less current portion | 95,678 | 104,011
Other liabilities | 9,214 | 8,985
Total liabilities | 767,922 | 782,883
Shareholders’ equity: |  |
Common stock, no par value; 100,000 shares authorized; 61,452 and 61,504 shares issued and outstanding at December 31, 2020, and September 30, 2020, respectively | 520,357 | 513,959
Accumulated other comprehensive loss | (35,715) | (42,638)
Retained earnings | 813,669 | 770,498
Total shareholders' equity | 1,298,311 | 1,241,819
Total liabilities and shareholders' equity | $ 2,066,233 | $ 2,024,702

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