Consolidated Condensed Statements of Cash Flows (USD $) In Thousands, unless otherwise specified	9 Months Ended
	Sep. 29, 2012	Oct. 01, 2011
Operating activities
Net earnings	$ 102,394	$ 208,795
Adjustments to reconcile net earnings to net cash provided by operating activities:
Depreciation and amortization	125,149	135,275
(Gain) loss on disposal of property and equipment	(13,063)	(1,073)
Accretion of interest on convertible debentures	2,160	1,448
Inventory write-offs for obsolescence	16,008	15,434
Other	9,813	2,275
Net change in operating assets and liabilities, net of effects of businesses acquired	(56,927)	(74,379)
Net cash provided by operating activities	185,534	287,775
Investing activities
Capital expenditures	(86,754)	(89,708)
Proceeds from sale of property and equipment	7,770	1,956
Purchase of businesses, net of cash acquired	(85,493)	(19,335)
Purchase of short-term investments	(268,286)	(497,258)
Maturity of short-term investments	214,047	158,785
Other investing activities	(109)	2,472
Net cash used in investing activities	(218,825)	(443,088)
Financing activities
Proceeds from long-term borrowings	150,000	150,000
Issuance costs	(4,827)	(4,429)
Common stock repurchase	(150,000)	(150,000)
Principal payments on long-term debt and capital leases	(21)	(670)
Net proceeds (payments) on revolving credit lines	(69,000)	(60,000)
Net changes in short-term borrowings	(116)	28
Proceeds from stock options exercised	174	9,675
Excess tax benefit from stock options exercised	0	555
Distributions to noncontrolling interests	(240)	(500)
Net cash used in financing activities	(74,030)	(55,341)
Effect of exchange rate changes on cash and cash equivalents	(4,505)	18,377
Net decrease in cash and cash equivalents	(111,826)	(192,277)
Cash and cash equivalents at beginning of period	749,088	897,338
Cash and cash equivalents at end of period	$ 637,262	$ 705,061