Condensed Consolidated Balance Sheets - USD ($) $ in Thousands	Jun. 30, 2017	Dec. 31, 2016
Current Assets:
Cash and cash equivalents	$ 1,114,910	$ 974,435
Accounts receivable, less allowance for doubtful accounts of $10,504 at June 30, 2017 and $9,247 at December 31, 2016	1,215,278	1,190,130
Other	164,128	54,014
Total current assets	2,494,316	2,218,579
Property and equipment, less accumulated depreciation and amortization of $405,043 at June 30, 2017 and $406,652 at December 31, 2016	490,776	536,572
Goodwill	7,927	7,927
Other assets, net	29,737	27,793
Total assets	3,022,756	2,790,871
Current Liabilities:
Accounts payable	774,941	726,571
Accrued expenses, primarily salaries and related costs	211,376	185,502
Federal, state and foreign income taxes	21,329	17,858
Total current liabilities	1,007,646	929,931
Deferred Federal and state income taxes	36,473	13,727
Commitments and contingencies
Shareholders' Equity:
Preferred stock, none issued	0	0
Common stock, par value $0.01 per share. Issued and outstanding 179,637 shares at June 30, 2017 and 179,857 shares at December 31, 2016	1,796	1,799
Additional paid-in capital	11,152	2,642
Retained earnings	2,049,403	1,944,789
Accumulated other comprehensive loss	(86,507)	(104,592)
Total shareholders’ equity	1,975,844	1,844,638
Noncontrolling interest	2,793	2,575
Total equity	1,978,637	1,847,213
Total liabilities and equity	$ 3,022,756	$ 2,790,871