Condensed Consolidated Balance Sheets - USD ($) $ in Thousands	Jun. 30, 2019	Dec. 31, 2018
Current assets:
Cash and cash equivalents	$ 136,631	$ 128,697
Receivables, net	351,191	347,425
Prepaid expenses	21,681	23,754
Other current assets	20,222	16,761
Total current assets	529,725	516,637
Property and equipment, net	125,739	135,418
Operating lease right-of-use assets	210,836
Goodwill, net	306,050	302,517
Intangibles, net	165,509	174,031
Deferred charges and other assets	47,982	43,364
Total assets	1,385,841	1,171,967
Current liabilities:
Accounts payable	25,128	26,923
Accrued employee compensation and benefits	104,174	95,813
Income taxes payable	126	1,433
Deferred revenue and customer liabilities	28,557	30,176
Operating lease liabilities	48,864
Other accrued expenses and current liabilities	25,654	31,235
Total current liabilities	232,503	185,580
Long-term debt	92,000	102,000
Long-term income tax liabilities	22,116	23,787
Long-term operating lease liabilities	174,189
Other long-term liabilities	24,504	33,991
Total liabilities	545,312	345,358
Commitments and loss contingency (Note 13)
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; 42,091 and 42,778 shares issued, respectively	421	428
Additional paid-in capital	288,879	286,544
Retained earnings	609,791	598,788
Accumulated other comprehensive income (loss)	(48,564)	(56,775)
Treasury stock at cost: 408 and 126 shares, respectively	(9,998)	(2,376)
Total shareholders' equity	840,529	826,609
Total liabilities and shareholders' equity	$ 1,385,841	$ 1,171,967