Consolidated Balance Sheets - USD ($) $ in Thousands	Dec. 31, 2015	Dec. 31, 2014
Current Assets:
Cash and cash equivalents	$ 807,796	$ 927,107
Short-term investments	40	40,336
Accounts receivable, less allowance for doubtful accounts of $7,820 in 2015 and $7,119 in 2014	1,112,260	1,236,042
Deferred Federal and state income taxes	16,861	20,279
Other	56,413	65,486
Total current assets	1,993,370	2,289,250
Property and equipment, net	524,724	538,415
Goodwill	7,927	7,927
Other assets, net	56,417	55,313
Total assets	2,582,438	2,890,905
Current Liabilities:
Accounts payable	645,304	770,238
Accrued expenses, primarily salaries and related costs	186,571	192,468
Federal, state and foreign income taxes	29,498	21,077
Total current liabilities	861,373	983,783
Deferred Federal and state income taxes	$ 26,389	$ 35,514
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 182,067 shares at December 31, 2015 and 191,656 shares at December 31, 2014	1,821	1,916
Additional paid-in capital	31	1,113
Retained earnings	1,771,379	1,903,196
Accumulated other comprehensive loss	(81,238)	(37,817)
Total shareholders’ equity	1,691,993	1,868,408
Noncontrolling interest	2,683	3,200
Total equity	1,694,676	1,871,608
Total liabilities and equity	$ 2,582,438	$ 2,890,905