Consolidated Balance Sheets - USD ($) $ in Thousands	Dec. 31, 2020	Dec. 31, 2019
Current assets:
Cash and cash equivalents	$ 103,077	$ 127,246
Receivables, net of allowance of $4.8 million and $3.5 million, respectively	415,746	390,147
Prepaid expenses	21,348	20,868
Other current assets	19,718	20,525
Total current assets	559,889	558,786
Property and equipment, net	121,084	125,990
Operating lease right-of-use assets	158,866	205,112
Goodwill, net	299,409	311,247
Intangibles, net	233,975	158,420
Deferred charges and other assets	62,582	55,945
Total assets	1,435,805	1,415,500
Current liabilities:
Accounts payable	32,049	33,591
Accrued employee compensation and benefits	147,212	109,591
Income taxes payable	3,521	3,637
Deferred revenue and customer liabilities	24,802	26,621
Operating lease liabilities	55,928	50,863
Other accrued expenses and current liabilities	31,994	29,330
Total current liabilities	295,506	253,633
Long-term debt	63,000	73,000
Long-term income tax liabilities	21,586	22,286
Long-term operating lease liabilities	126,336	166,810
Other long-term liabilities	35,723	25,296
Total liabilities	542,151	541,025
Commitments and loss contingencies (Note 22)
Shareholders' equity:
Preferred stock, $0.01 par value per share, 10,000 shares authorized; no shares issued and outstanding
Common stock, $0.01 par value per share, 200,000 shares authorized; 39,614 and 41,549 shares issued, respectively	396	416
Additional paid-in capital	298,037	288,935
Retained earnings	639,000	634,668
Accumulated other comprehensive income (loss)	(40,999)	(47,001)
Treasury stock at cost: 135 and 128 shares, respectively	(2,780)	(2,543)
Total shareholders' equity	893,654	874,475
Total liabilities and shareholders' equity	$ 1,435,805	$ 1,415,500