Consolidated Balance Sheets - USD ($) $ in Thousands	Dec. 31, 2016	Dec. 31, 2015
Current Assets:
Cash and cash equivalents	$ 974,435	$ 807,796
Accounts receivable, less allowance for doubtful accounts of $9,247 in 2016 and $7,820 in 2015	1,190,130	1,112,260
Other	54,014	56,453
Total current assets	2,218,579	1,976,509
Property and equipment, net	536,572	524,724
Goodwill	7,927	7,927
Other assets, net	27,793	56,417
Total assets	2,790,871	2,565,577
Current Liabilities:
Accounts payable	726,571	645,304
Accrued expenses, primarily salaries and related costs	185,502	186,571
Federal, state and foreign income taxes	17,858	29,498
Total current liabilities	929,931	861,373
Deferred Federal and state income taxes, net	13,727	9,528
Commitments and contingencies
Shareholders’ Equity:
Preferred stock, par value $0.01 per share, authorized 2,000 shares; none issued	0	0
Common stock, par value $0.01 per share, authorized 640,000 shares; issued and outstanding 179,857 shares at December 31, 2016 and 182,067 shares at December 31, 2015	1,799	1,821
Additional paid-in capital	2,642	31
Retained earnings	1,944,789	1,771,379
Accumulated other comprehensive loss	(104,592)	(81,238)
Total shareholders’ equity	1,844,638	1,691,993
Noncontrolling interest	2,575	2,683
Total equity	1,847,213	1,694,676
Total liabilities and equity	$ 2,790,871	$ 2,565,577