CONDENSED CONSOLIDATED BALANCE SHEETS - USD ($) shares in Thousands, $ in Thousands	Jun. 30, 2022	Sep. 30, 2021
Current assets:
Cash and cash equivalents	$ 155,062	$ 195,354
Accounts receivable, net	286,341	312,107
Prepaid expenses and other current assets	31,854	43,513
Total current assets	473,257	550,974
Marketable securities	25,347	31,884
Other investments	1,213	1,312
Property and equipment, net	20,449	27,913
Operating lease right-of-use assets	39,711	47,275
Goodwill	772,673	788,185
Intangible assets, net	2,459	4,099
Deferred income tax	18,268	20,549
Other assets	103,459	95,585
Total assets	1,456,836	1,567,776
Current liabilities:
Accounts payable	17,399	20,749
Accrued compensation and employee benefits	80,194	103,506
Other accrued liabilities	57,776	79,535
Deferred revenue	98,486	105,417
Current maturities on debt	130,000	250,000
Total current liabilities	383,855	559,207
Long-term debt	1,826,671	1,009,018
Operating lease liabilities	42,970	53,670
Other liabilities	50,812	56,823
Total liabilities	2,304,308	1,678,718
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 25,252 and 27,568 shares outstanding at June 30, 2022 and September 30, 2021, respectively)	253	276
Additional paid-in-capital	$ 1,269,289	$ 1,237,348
Treasury stock, shares	63,605	61,289
Treasury stock, at cost (63,605 and 61,289 shares at June 30, 2022 and September 30, 2021, respectively)	$ (4,881,304)	$ (3,857,855)
Retained earnings	2,867,985	2,585,143
Accumulated other comprehensive loss	(103,695)	(75,854)
Total stockholders’ deficit	(847,472)	(110,942)
Total liabilities and stockholders’ deficit	$ 1,456,836	$ 1,567,776