Condensed Consolidated Balance Sheets - USD ($) $ in Thousands	Jun. 30, 2021	Dec. 31, 2020
Current assets
Cash and cash equivalents	$ 256,875	$ 294,953
Accounts receivable, net	846,121	711,357
Current portion of notes receivable	32,093	35,253
Prepaid expenses and other current assets	78,373	88,144
Total current assets	1,213,462	1,129,707
Property and equipment, net	117,477	101,642
Operating lease assets	223,618	156,645
Goodwill	1,240,057	1,234,879
Intangible assets, net	37,653	41,550
Notes receivable, net	55,675	61,121
Other assets	50,485	51,819
Total assets	2,938,427	2,777,363
Current liabilities
Accounts payable, accrued expenses and other	156,736	170,066
Accrued compensation	368,882	455,933
Billings in excess of services provided	36,944	44,172
Total current liabilities	562,562	670,171
Long-term debt, net	391,581	286,131
Noncurrent operating lease liabilities	230,133	161,677
Deferred income taxes	169,009	158,342
Other liabilities	95,932	100,861
Total liabilities	1,449,217	1,377,182
Commitments and contingencies
Stockholders' equity
Preferred stock, $0.01 par value; shares authorized — 5,000; none outstanding	0	0
Common stock, $0.01 par value; shares authorized — 75,000; shares issued and outstanding — 34,282 (2021) and 34,481 (2020)	343	345
Additional paid-in capital	4,270	0
Retained earnings	1,590,467	1,506,271
Accumulated other comprehensive loss	(105,870)	(106,435)
Total stockholders' equity	1,489,210	1,400,181
Total liabilities and stockholders' equity	$ 2,938,427	$ 2,777,363

Sum of the carrying values as of the balance sheet date of obligations incurred through that date and due within one year (or the operating cycle, if longer), including liabilities incurred (and for which invoices have typically been received) and payable to vendors for goods and services received, taxes, interest, rent and utilities, accrued salaries and bonuses, payroll taxes and fringe benefits.

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Balance Type:	credit
Period Type:	instant

- Definition

Amount, after allowance for credit loss, of right to consideration from customer for product sold and service rendered in normal course of business, classified as current.