CONSOLIDATED BALANCE SHEETS - USD ($) $ in Thousands	Sep. 30, 2020	Sep. 30, 2019
Current assets:
Cash and cash equivalents	$ 157,394	$ 106,426
Accounts receivable, net	334,180	297,427
Prepaid expenses and other current assets	42,504	51,853
Total current assets	534,078	455,706
Marketable securities	25,513	20,222
Other investments	1,060	1,643
Property and equipment, net	46,419	53,027
Operating lease, right-of-use asset	57,656
Goodwill	812,364	803,542
Intangible assets, net	9,236	14,139
Deferred Income Taxes and Other Assets, Current	14,629	6,006
Other assets	105,285	79,163
Total assets	1,606,240	1,433,448
Current liabilities:
Accounts payable	23,033	23,118
Accrued compensation and employee benefits	117,952	106,240
Other accrued liabilities	63,367	32,454
Deferred revenue	115,159	111,016
Current maturities on debt	95,000	218,000
Total current liabilities	414,511	490,828
Long-term debt	739,435	606,790
Operating lease liabilities	73,207
Other Liabilities, Noncurrent	48,005	46,063
Total liabilities	1,275,158	1,143,681
Commitments and contingencies
Stockholders’ equity:
Preferred stock ($0.01 par value; 1,000 shares authorized; none issued and outstanding)	0	0
Common stock ($0.01 par value; 200,000 shares authorized, 88,857 shares issued and 29,096 and 28,944 shares outstanding at September 30, 2020 and September 30, 2019, respectively)	291	289
Paid-in-capital	1,218,583	1,225,365
Treasury stock, at cost (59,761 and 59,913 shares at September 30, 2020 and September 30, 2019, respectively)	(2,997,856)	(2,802,450)
Retained earnings	2,193,059	1,956,648
Accumulated other comprehensive loss	(82,995)	(90,085)
Total stockholders’ equity	331,082	289,767
Total liabilities and stockholders’ equity	$ 1,606,240	$ 1,433,448