Consolidated Statements of Financial Condition - USD ($) $ in Thousands	Dec. 31, 2021	Dec. 31, 2020
Current assets:
Cash and cash equivalents	$ 1,421,449	$ 1,300,521
Accounts receivable, net of allowances	664,511	558,569
Prepaid income taxes	5,951	20,097
Prepaid and other assets	51,499	46,411
Total current assets	2,143,410	1,925,598
Property, equipment and leasehold improvements, net	66,715	80,446
Right of use assets	144,584	153,330
Goodwill	2,236,386	1,566,022
Intangible assets, net	593,341	234,748
Equity method investment	218,763	190,898
Deferred tax assets	40,119	23,627
Other non-current assets	63,385	23,978
Total assets	5,506,703	4,198,647
Current liabilities:
Accounts payable	13,448	14,253
Income taxes payable	59,635	26,195
Accrued compensation and related benefits	207,640	161,557
Other accrued liabilities	145,302	143,894
Deferred revenue	824,912	675,870
Total current liabilities	1,250,937	1,021,769
Long-term debt	4,161,422	3,366,777
Long-term operating lease liabilities	150,029	152,342
Deferred tax liabilities	3,650	12,774
Other non-current liabilities	104,132	88,219
Total liabilities	5,670,170	4,641,881
Commitments and Contingencies (see Note 6 and Note 10)
Shareholders' equity (deficit):
Preferred Stock (par value $0.01, 100,000,000 shares authorized, no shares issued)
Common stock (par value $0.01; 750,000,000 common shares authorized; 133,162,178 and 132,829,175 common shares issued and 82,439,449 and 82,573,407 common shares outstanding at December 31, 2021 and December 31, 2020, respectively)	1,332	1,328
Treasury shares, at cost (50,722,729 and 50,255,768 common shares held at December 31, 2021 and December 31, 2020, respectively)	(4,540,144)	(4,342,535)
Additional paid-in capital	1,457,623	1,402,537
Retained earnings	2,976,517	2,554,295
Accumulated other comprehensive loss	(58,795)	(58,859)
Total shareholders' equity (deficit)	(163,467)	(443,234)
Total liabilities and shareholders' equity (deficit)	$ 5,506,703	$ 4,198,647