Condensed Consolidated Balance Sheets (Unaudited) - USD ($) $ in Thousands	Jun. 30, 2016	Dec. 31, 2015
ASSETS:
Cash and cash equivalents	$ 418,651	$ 457,549
Short-term investments	372,944	328,718
Restricted investments	4,210	4,210
Accounts receivable, net	366,281	391,485
Inventories:
Raw materials	113,740	109,928
Work in process	127,702	114,438
Finished goods	300,072	265,858
Total inventories	541,514	490,224
Other current assets	102,088	105,410
Total current assets	1,805,688	1,777,596
Property, plant and equipment, at cost	1,179,109	1,117,086
Less: accumulated depreciation and amortization	(721,424)	(679,396)
Property, plant and equipment, net	457,685	437,690
Goodwill, net	505,311	495,948
Purchased intangibles, net	230,709	214,026
Other investments	810,463	719,840
Other assets	64,779	64,618
Total assets	3,874,635	3,709,718
LIABILITIES AND STOCKHOLDERS' EQUITY:
Accounts payable, accrued payroll and employee benefits	256,112	280,248
Current maturities of long-term debt and notes payable	294	298
Income and other taxes payable	21,856	29,339
Other current liabilities	132,143	131,466
Total current liabilities	410,405	441,351
Long-term debt, net of current maturities	434,057	433,883
Other long-term liabilities	415,612	343,981
Total liabilities	1,260,074	1,219,215
Stockholders' equity:
Additional paid-in capital	316,754	300,408
Retained earnings	1,838,345	1,808,055
Accumulated other comprehensive income	459,560	382,138
Total stockholders' equity	2,614,561	2,490,503
Total liabilities and stockholders' equity	3,874,635	3,709,718
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	(12)	(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.