CONDENSED CONSOLIDATED BALANCE SHEETS - USD ($) shares in Thousands, $ in Thousands	Jun. 30, 2024	Sep. 30, 2023
Current assets:
Cash and cash equivalents	$ 156,043	$ 136,778
Accounts receivable, net	437,637	387,947
Prepaid expenses and other current assets	37,455	31,723
Total current assets	631,135	556,448
Marketable securities	42,779	33,014
Other investments	1,255	1,223
Property and equipment, net	34,128	10,966
Operating lease right-of-use assets	26,087	25,703
Goodwill	776,714	773,327
Intangible assets, net	92	917
Deferred income tax	78,227	59,136
Other assets	118,414	114,547
Total assets	1,708,831	1,575,281
Current liabilities:
Accounts payable	22,489	19,009
Accrued compensation and employee benefits	92,731	102,471
Other accrued liabilities	57,737	59,478
Deferred revenue	149,259	136,730
Current maturities on debt	15,000	50,000
Total current liabilities	337,216	367,688
Long-term debt	2,104,943	1,811,658
Operating lease liabilities	18,420	23,903
Other liabilities	77,558	60,022
Total liabilities	2,538,137	2,263,271
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 24,564 and 24,770 shares outstanding at June 30, 2024 and September 30, 2023, respectively)	246	248
Additional paid-in-capital	$ 1,320,717	$ 1,350,713
Treasury stock, shares	64,293	64,087
Treasury stock, at cost (64,293 and 64,087 shares at June 30, 2024 and September 30, 2023, respectively)	$ (5,813,751)	$ (5,324,865)
Retained earnings	3,765,179	3,388,059
Accumulated other comprehensive loss	(101,697)	(102,145)
Total stockholders’ deficit	(829,306)	(687,990)
Total liabilities and stockholders’ deficit	$ 1,708,831	$ 1,575,281