Consolidated Balance Sheets - USD ($) $ in Thousands	Dec. 31, 2020	Dec. 31, 2019
Current assets:
Cash and cash equivalents	$ 712,583	$ 280,836
Fees receivable, net of allowances of $10,000 and $8,000, respectively	1,241,508	1,326,012
Deferred commissions	259,755	265,867
Prepaid expenses and other current assets	109,212	146,026
Total current assets	2,323,058	2,018,741
Property, equipment and leasehold improvements, net	336,765	344,579
Operating lease right-of-use assets	647,283	702,916
Goodwill	2,945,547	2,937,726
Intangible assets, net	806,998	925,087
Other assets	256,316	222,245
Total Assets	7,315,967	7,151,294
Current liabilities:
Accounts payable and accrued liabilities	952,431	788,796
Deferred revenues	1,974,548	1,928,020
Current portion of long-term debt	20,515	139,718
Total current liabilities	2,947,494	2,856,534
Long-term debt, net of deferred financing fees	1,958,286	2,043,888
Operating lease liabilities	780,166	832,533
Other liabilities	539,593	479,746
Total Liabilities	6,225,539	6,212,701
Preferred stock:
$0.01 par value, authorized 5,000,000 shares; none issued or outstanding	0	0
Common stock:
$0.0005 par value, 250,000,000 shares authorized; 163,602,067 shares issued for both periods	82	82
Additional paid-in capital	1,968,930	1,899,273
Accumulated other comprehensive loss, net	(99,228)	(77,938)
Accumulated earnings	2,255,467	1,988,722
Treasury stock, at cost, 74,759,985 and 74,444,288 common shares, respectively	(3,034,823)	(2,871,546)
Total Stockholders’ Equity	1,090,428	938,593
Total Liabilities and Stockholders’ Equity	$ 7,315,967	$ 7,151,294