Condensed Consolidated Statements of Cash Flows (USD $) In Thousands, unless otherwise specified	9 Months Ended
	Sep. 27, 2014	Sep. 28, 2013
Cash flows from operating activities:
Net earnings	$ 247,168	$ 129,148
Adjustments to reconcile net earnings to cash from operating activities:
Depreciation and amortization	69,322	70,182
Gain from sale of fixed assets	(1,631)	(2,856)
Gain from sale of power generating facility assets	(4,953)
Deferred income taxes	14,690	15,702
Pay-in-kind interest and accretion on notes receivable from affiliates	(11,511)	(9,828)
Loss (income) from affiliates	(23,939)	12,386
Dividends received from affiliates	1,823	11,129
Other investment income, net	(370)	(3,274)
Gain on sale of controlling interest in a subsidiary	(64,392)
Other, net	(735)	806
Changes in assets and liabilities:
Receivables, net of allowance	89,718	(70,669)
Inventories	(74,971)	(40,739)
Other current assets	3,781	(12,579)
Current liabilities, exclusive of debt	22,016	(95,233)
Other, net	17,250	857
Net cash from operating activities	283,266	5,032
Cash flows from investing activities:
Purchase of short-term investments	(922,902)	(480,085)
Proceeds from the sale of short-term investments	842,294	540,456
Proceeds from the maturity of short-term investments	5,794	4,270
Principal payments received on notes receivable	1,684	14,425
Capital expenditures	(94,665)	(110,943)
Proceeds from the sale of fixed assets	2,639	10,552
Proceeds from the sale of power generating facility assets	7,715
Investments in and advances to affiliates, net	(22,083)	(37,751)
Long-term notes receivable issued to affiliates		(17,224)
Principal payments received on long-term notes receivable from affiliates		81,272
Purchase of long-term investments	(2,333)	(4,032)
Proceeds from the sale of controlling interest in a subsidiary	72,500
Other, net	1,073	(316)
Net cash from investing activities	(108,284)	624
Cash flows from financing activities:
Notes payable to banks, net	(31,815)	27,020
Principal payments of long-term debt	(91,403)	(29,909)
Repurchase of common stock	(53,781)	(17,349)
Other, net	(48)	(1,096)
Net cash from financing activities	(177,047)	(21,334)
Effect of exchange rate change on cash	3,043	(220)
Net change in cash and cash equivalents	978	(15,898)
Cash and cash equivalents at beginning of year	55,055	47,651
Cash and cash equivalents at end of period	$ 56,033	$ 31,753