Consolidated Condensed Statements of Cash Flows (USD $) In Thousands, unless otherwise specified	3 Months Ended
	Mar. 31, 2012	Apr. 02, 2011
Operating activities
Net earnings	$ 34,075	$ 75,607
Adjustments to reconcile net earnings to net cash provided by operating activities:
Depreciation and amortization	41,993	45,033
(Gain) loss on disposal of property and equipment	(996)	(959)
Accretion of interest on convertible debentures	611	376
Inventory write-offs for obsolescence	5,220	5,237
Other	1,416	5,665
Net change in operating assets and liabilities, net of effects of businesses acquired	(59,697)	(33,202)
Net cash provided by operating activities	22,622	97,757
Investing activities
Capital expenditures	(16,815)	(18,600)
Proceeds from sale of property and equipment	2,789	1,194
Purchase of businesses, net of cash acquired	(85,642)	0
Purchase of short-term investments	(4,444)	(339,449)
Maturity of short-term investments	121,684	0
Other investing activities	443	(6)
Net cash provided by (used in) investing activities	18,015	(356,861)
Financing activities
Principal payments on long-term debt and capital leases	(5)	0
Net payments on revolving credit lines	(10,000)	0
Net changes in short-term borrowings	39	489
Proceeds from stock options exercised	174	6,793
Excess tax benefit from stock options exercised	0	302
Distributions to noncontrolling interests	0	(500)
Net cash provided by (used in) financing activities	(9,792)	7,084
Effect of exchange rate changes on cash and cash equivalents	5,848	23,233
Net increase (decrease) in cash and cash equivalents	36,693	(228,787)
Cash and cash equivalents at beginning of period	749,088	897,338
Cash and cash equivalents at end of period	$ 785,781	$ 668,551