Condensed Consolidated Statements of Cash Flows (USD $) In Thousands, unless otherwise specified	3 Months Ended
	Mar. 30, 2013	Mar. 31, 2012
Cash flows from operating activities:
Net earnings	$ 57,757	$ 82,000
Adjustments to reconcile net earnings to cash from operating activities:
Depreciation and amortization	23,071	21,136
Gain from sale of fixed assets	(4,255)	(1,861)
Deferred income taxes	(1,336)	(1,291)
Pay-in-kind interest and accretion on note receivable from affiliate	(3,111)	(2,818)
Loss (income) from affiliates	2,850	(9,569)
Dividends received from affiliates	10,692	307
Other investment income, net	(2,186)	(3,459)
Other	(58)	840
Changes in assets and liabilities, net of business acquired:
Receivables, net of allowance	17,021	(36,015)
Inventories	(89,551)	(2,707)
Other current assets	2,416	3,910
Current liabilities, exclusive of debt	(37,193)	(27,600)
Other, net	2,824	3,989
Net cash from operating activities	(21,059)	26,862
Cash flows from investing activities:
Purchase of short-term investments	(212,621)	(237,924)
Proceeds from the sale of short-term investments	174,596	194,330
Proceeds from the maturity of short-term investments	756	9,816
Investments in and advances to affiliates, net	(7,865)	(3,631)
Capital expenditures	(34,888)	(28,969)
Proceeds from the sale of fixed assets	6,264	2,669
Principal payments received on long-term notes receivable from affiliate	81,231	564
Purchase of long-term investments	(2,578)	(2,046)
Acquisition of business, net of cash acquired		(2,825)
Other, net	2,878	176
Net cash from investing activities	7,773	(67,840)
Cash flows from financing activities:
Notes payable to banks, net	22,911	23,364
Proceeds from the issuance of long-term debt		5,476
Principal payments of long-term debt	(13,131)	(112)
Repurchase of common stock	(367)	(6,335)
Other, net	(748)	104
Net cash from financing activities	8,665	22,497
Effect of exchange rate change on cash	255	24
Net change in cash and cash equivalents	(4,366)	(18,457)
Cash and cash equivalents at beginning of year	47,651	71,510
Cash and cash equivalents at end of period	$ 43,285	$ 53,053