Consolidated Statements of Cash Flow (USD $) In Thousands, unless otherwise specified	12 Months Ended
	Dec. 31, 2012	Dec. 31, 2011	Dec. 31, 2010
Cash flow from operating activities:
Net income	$ 559,508	$ 528,842	$ 502,413
Adjustments for cash from operating activities:
Depreciation and amortization	121,779	119,439	102,846
Net change in receivables sold under Receivables Securitization Facility			(82,000)
Stock-based compensation expense	31,412	28,679	25,385
Non-cash casualty loss related to flood		10,388
Change in contingent acquisition related obligations		(17,813)
Excess tax benefits from stock-based payment arrangements	(21,648)	(5,995)	(14,692)
Net change in operating assets and liabilities:
Accounts receivable	(123,870)	(9,664)	(157,657)
Inventory	(45,934)	(88,486)	(65,179)
Other current assets	(71)	(8,890)	(5,637)
Accounts payable	99,416	(27,547)	76,932
Accrued income taxes	34,092	26,947	(3,996)
Other accrued liabilities	27,421	(2,613)	35,466
Accrued pension and post employment benefits	296	(5,660)	(1,247)
Other long-term assets	(7,684)	17,114	11,658
Other	(38)	466	601
Cash flow provided by operating activities	674,679	565,207	424,893
Cash flow from investing activities:
Additions to property, plant and equipment	(129,099)	(100,222)	(109,458)
Proceeds from disposal of fixed assets	4,828	8,118	1,851
Purchases of short-term investments	(379,605)	(181,880)	(198,228)
Sales and maturities of short-term investments	261,800	146,373	138,012
Acquisitions, net of cash acquired	(251,523)	(303,273)	(180,402)
Cash flow used in investing activities	(493,599)	(430,884)	(348,225)
Cash flow from financing activities:
Long-term borrowings under credit facilities	819,556	873,200	793,406
Repayments of long-term debt	(988,800)	(301,900)	(748,017)
Borrowings under senior notes	498,730
Payment of fees and expenses related to debt financing	(4,318)	(2,125)	(6,975)
Purchase and retirement of treasury stock	(380,023)	(672,191)
Proceeds from exercise of stock options	95,451	26,086	46,616
Excess tax benefits from stock-based payment arrangements	21,648	5,995	14,692
Payment of contingent acquisition-related obligations		(40,000)
Distributions to and purchases of noncontrolling interests	(5,206)	(29,931)	(24,588)
Dividend payments	(70,122)	(10,282)	(10,413)
Cash flow (used in) provided by financing activities	(13,084)	(151,148)	64,721
Effect of exchange rate changes on cash and cash equivalents	7,768	6,023	(114)
Net change in cash and cash equivalents	175,764	(10,802)	141,275
Cash and cash equivalents balance, beginning of year	515,086	525,888	384,613
Cash and cash equivalents balance, end of year	690,850	515,086	525,888
Cash paid during the year for:
Interest	48,589	40,489	40,124
Income taxes	$ 189,677	$ 144,175	$ 133,068