CONDENSED CONSOLIDATED BALANCE SHEETS - USD ($) shares in Thousands, $ in Thousands	Dec. 31, 2022	Sep. 30, 2022
Current assets:
Cash and cash equivalents	$ 139,856	$ 133,202
Accounts receivable, net	308,234	322,410
Prepaid expenses and other current assets	35,732	29,103
Total current assets	483,822	484,715
Marketable securities	26,332	24,515
Other investments	1,206	1,135
Property and equipment, net	14,976	17,580
Operating lease right-of-use assets	32,366	36,688
Goodwill	771,455	761,067
Intangible assets, net	1,742	2,017
Deferred income tax	20,635	11,803
Other assets	106,159	102,514
Total assets	1,458,693	1,442,034
Current liabilities:
Accounts payable	16,838	17,273
Accrued compensation and employee benefits	59,876	97,893
Other accrued liabilities	51,378	66,248
Deferred revenue	126,896	120,045
Current maturities on debt	100,000	30,000
Total current liabilities	354,988	331,459
Long-term debt	1,820,666	1,823,669
Operating lease liabilities	32,400	39,192
Other liabilities	52,734	49,661
Total liabilities	2,260,788	2,243,981
Commitments and contingencies
Stockholders’ deficit:
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 25,155 and 25,154 shares outstanding at December 31, 2022 and September 30, 2022, respectively)	252	252
Additional paid-in-capital	$ 1,244,271	$ 1,299,588
Treasury stock, shares	63,702	63,703
Treasury stock, at cost (63,702 and 63,703 shares at December 31, 2022 and September 30, 2022, respectively)	$ (4,996,624)	$ (4,935,769)
Retained earnings	3,056,327	2,958,684
Accumulated other comprehensive loss	(106,321)	(124,702)
Total stockholders’ deficit	(802,095)	(801,947)
Total liabilities and stockholders’ deficit	$ 1,458,693	$ 1,442,034