Condensed Consolidated Statements of Cash Flows (USD $) In Thousands, unless otherwise specified	3 Months Ended
	Mar. 29, 2014	Mar. 30, 2013
Cash flows from operating activities:
Net earnings	$ 48,449	$ 57,757
Adjustments to reconcile net earnings to cash from operating activities:
Depreciation and amortization	22,963	23,071
Gain from sale of fixed assets	(1,392)	(4,255)
Deferred income taxes	2,872	(1,336)
Pay-in-kind interest and accretion on notes receivable from affiliates	(3,628)	(3,111)
Loss (income) from affiliates	(6,644)	2,850
Dividends received from affiliates	1,088	10,692
Other investment income, net	(573)	(2,186)
Other	(14)	(58)
Changes in current assets and liabilities, net of business acquired:
Receivables, net of allowance	105,170	17,021
Inventories	27,522	(89,551)
Other current assets	6,060	2,416
Current liabilities, exclusive of debt	(60,822)	(37,193)
Other, net	2,919	2,824
Net cash from operating activities	143,970	(21,059)
Cash flows from investing activities:
Purchase of short-term investments	(429,011)	(212,621)
Proceeds from the sale of short-term investments	326,826	174,596
Proceeds from the maturity of short-term investments	1,038	756
Capital expenditures	(38,030)	(34,888)
Proceeds from the sale of fixed assets	1,676	6,264
Investments in and advances to affiliates, net	(41)	(7,865)
Principal payments received on long-term notes receivable from affiliates		81,231
Purchase of long-term investments	(2,290)	(2,578)
Other, net	324	2,878
Net cash from investing activities	(139,508)	7,773
Cash flows from financing activities:
Notes payable to banks, net	(15,923)	22,911
Principal payments of long-term debt	(127)	(13,131)
Repurchase of common stock	(4,404)	(367)
Other, net		(748)
Net cash from financing activities	(20,454)	8,665
Effect of exchange rate change on cash	(186)	255
Net change in cash and cash equivalents	(16,178)	(4,366)
Cash and cash equivalents at beginning of year	55,055	47,651
Cash and cash equivalents at end of period	$ 38,877	$ 43,285