Condensed Consolidated Statements of Cash Flows (USD $) In Thousands	6 Months Ended
	Jul. 02, 2011	Jul. 03, 2010
Cash flows from operating activities:
Net earnings	$ 230,057	$ 140,020
Adjustments to reconcile net earnings to cash from operating activities:
Depreciation and amortization	40,417	43,938
Income from affiliates	(11,527)	(11,424)
Other investment income, net	(2,626)	(885)
Deferred income taxes	(15,564)	4,104
Pay-in-kind interest on note receivable from affiliate	(5,068)
Gain on sale of power generating facilities	(51,423)
Other	1,085	(29)
Changes in current assets and liabilities:
Receivables, net of allowance	(74,689)	(27,713)
Inventories	(91,316)	29,578
Other current assets	65,140	13,467
Current liabilities, exclusive of debt	(88,516)	15,186
Other, net	7,489	2,754
Net cash from operating activities	3,459	208,996
Cash flows from investing activities:
Purchase of short-term investments	(99,984)	(409,700)
Proceeds from the sale of short-term investments	101,308	230,995
Proceeds from the maturity of short-term investments	11,973	39,997
Investments in and advances to affiliates, net	(6,351)	(8,062)
Capital expenditures	(76,489)	(39,048)
Proceeds from the sale of power generating facilities	58,103
Other, net	809	4,641
Net cash from investing activities	(10,631)	(181,177)
Cash flows from financing activities:
Notes payable to banks, net	13,251	(16,894)
Proceeds from the issuance of long-term debt	16,056
Principal payments of long-term debt	(195)	(928)
Repurchase of common stock		(16,635)
Dividends paid		(1,844)
Other, net	157	159
Net cash from financing activities	29,269	(36,142)
Effect of exchange rate change on cash	1,307	609
Net change in cash and cash equivalents	23,404	(7,714)
Cash and cash equivalents at beginning of year	41,124	61,857
Cash and cash equivalents at end of period	$ 64,528	$ 54,143