Condensed Consolidated Balance Sheets (Unaudited) - USD ($) $ in Thousands	Jun. 30, 2017	Dec. 31, 2016
ASSETS:
Cash and cash equivalents	$ 321,584	$ 456,264
Short-term investments	391,268	383,176
Restricted investments	4,560	4,560
Accounts receivable, net	392,842	372,348
Inventories:
Raw materials	115,043	116,540
Work in process	133,055	125,982
Finished goods	332,483	282,439
Total inventories	580,581	524,961
Prepaid expenses	125,655	91,014
Other current assets	10,038	12,201
Total current assets	1,826,528	1,844,524
Property, plant and equipment, at cost	1,277,970	1,227,388
Less: accumulated depreciation and amortization	(774,641)	(738,774)
Property, plant and equipment, net	503,329	488,614
Goodwill, net	530,287	477,115
Purchased intangibles, net	184,819	161,609
Other investments	1,040,959	830,790
Other assets	57,537	47,852
Total assets	4,143,459	3,850,504
LIABILITIES AND STOCKHOLDERS' EQUITY:
Accounts payable, accrued payroll and employee benefits	277,566	296,473
Current maturities of long-term debt and notes payable	505	334
Income and other taxes payable	33,308	28,124
Other current liabilities	143,731	146,391
Total current liabilities	455,110	471,322
Long-term debt, net of current maturities	434,386	434,186
Deferred income taxes	294,843	222,919
Other long-term liabilities	148,123	135,318
Total liabilities	1,332,462	1,263,745
Stockholders' equity:
Additional paid-in capital	347,658	332,911
Retained earnings	1,853,372	1,836,180
Accumulated other comprehensive income	610,948	417,766
Total stockholders' equity	2,810,997	2,586,759
Total liabilities and stockholders' equity	4,143,459	3,850,504
Common Class A [Member]
Stockholders' equity:
Common stock	2	2
Common Class B [Member]
Stockholders' equity:
Common stock	1	1
Treasury Class A [Member]
Stockholders' equity:
Treasury Stock, Value	(895)	(12)
Treasury Class B [Member]
Stockholders' equity:
Treasury Stock, Value	$ (89)	$ (89)

Sum of the carrying values as of the balance sheet date of obligations incurred through that date and due within one year (or the operating cycle, if longer), including liabilities incurred (and for which invoices have typically been received) and payable to vendors for goods and services received, taxes, interest, rent and utilities, accrued salaries and bonuses, payroll taxes and fringe benefits.

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Balance Type:	credit
Period Type:	instant

- Definition

Amount due from customers or clients, within one year of the balance sheet date (or the normal operating cycle, whichever is longer), for goods or services (including trade receivables) that have been delivered or sold in the normal course of business, reduced to the estimated net realizable fair value by an allowance established by the entity of the amount it deems uncertain of collection.