CONDENSED CONSOLIDATED BALANCE SHEETS - USD ($) $ in Thousands	Dec. 31, 2019	Sep. 30, 2019
Current assets:
Cash and cash equivalents	$ 111,216	$ 106,426
Accounts receivable, net	281,640	297,427
Prepaid expenses and other current assets	68,138	51,853
Total current assets	460,994	455,706
Marketable securities	23,732	20,222
Other investments	1,656	1,643
Property and equipment, net	56,156
Property and equipment, net		53,027
Operating leases	88,475
Goodwill	812,850	803,542
Intangible assets, net	12,484	14,139
Deferred income taxes	7,100	6,006
Other assets	81,591	79,163
Total assets	1,545,038	1,433,448
Current liabilities:
Accounts payable	32,474	23,118
Accrued compensation and employee benefits	71,780	106,240
Other accrued liabilities	43,111	32,454
Deferred revenue	114,667	111,016
Current maturities on debt	180,000	218,000
Total current liabilities	442,032	490,828
Long-term debt	738,259	606,790
Operating leases	80,424
Other liabilities	43,362	46,063
Total liabilities	1,304,077	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 29,186 and 28,944 shares outstanding at December 31, 2019 and September 30, 2019, respectively)	292	289
Additional paid-in-capital	1,148,190	1,225,365
Treasury stock, at cost (59,671 and 59,913 shares at December 31, 2019 and September 30, 2019, respectively)	(2,843,097)	(2,802,450)
Retained earnings	2,011,569	1,956,648
Accumulated other comprehensive loss	(75,993)	(90,085)
Total stockholders’ equity	240,961	289,767
Total liabilities and stockholders’ equity	$ 1,545,038	$ 1,433,448