CONDENSED CONSOLIDATED BALANCE SHEET (Parenthetical) - USD ($) $ in Thousands	Mar. 31, 2019	Dec. 31, 2018
CURRENT ASSETS, VIEs
Cash and cash equivalents	$ 1,805,777	$ 1,764,746
Marketable securities, current	98,733	214,828
Accounts and notes receivable	1,380,475	1,534,339
Contract assets	1,588,034	1,544,981
Other current assets	369,589	381,999
NONCURRENT ASSETS, VIEs
Net property, plant and equipment	985,754	1,013,732
Other noncurrent assets	622,012	315,997
CURRENT LIABILITIES, VIEs
Trade accounts payable	1,543,478	1,638,891
Accrued salaries, wages and benefits	659,578	649,486
Other accrued liabilities	$ 419,965	$ 381,301
Shareholders’ equity
Preferred stock, authorized shares (in shares)	20,000,000	20,000,000
Preferred stock, par value (in dollars per share)	$ 0.01	$ 0.01
Preferred stock, issued shares (in shares)	0	0
Common stock, authorized shares (in shares)	375,000,000	375,000,000
Common stock, par value (in dollars per share)	$ 0.01	$ 0.01
Common stock, issued shares (in shares)	140,108,765	139,653,824
Common stock, outstanding shares (in shares)	140,108,765	139,653,824
Consolidated variable interest entities
CURRENT ASSETS, VIEs
Cash and cash equivalents	$ 478,410	$ 391,635
Marketable securities, current	80,249	202,481
Accounts and notes receivable	203,951	214,339
Contract assets	388,580	350,814
Other current assets	6,680	15,660
NONCURRENT ASSETS, VIEs
Net property, plant and equipment	44,836	41,479
Accumulated Depreciation	1,237,066	1,220,802
Other noncurrent assets	42,217	26,578
CURRENT LIABILITIES, VIEs
Trade accounts payable	522,229	475,018
Advance billings on contracts	204,744	271,692
Accrued salaries, wages and benefits	34,278	28,478
Other accrued liabilities	$ 42,182	$ 49,997

The aggregate of amounts due from customers or clients, within one year of the balance sheet date (or one operating cycle, if longer), for goods or services that have been delivered or sold in the normal course of business and an amount representing an agreement for an unconditional promise by the maker to pay the entity (holder) a definite sum of money at a future date within one year of the balance sheet, reduced to their estimated net realizable fair value by an allowance established by the entity of the amount it deems uncertain of collection and net of any write-downs taken for collection uncertainty on the part of the holder, respectively.

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Balance Type:	debit
Period Type:	instant

- Definition

Carrying value as of the balance sheet date of liabilities incurred (and for which invoices have typically been received) and payable to vendors for goods and services received that are used in an entity's business. Used to reflect the current portion of the liabilities (due within one year or within the normal operating cycle if longer).