Condensed Consolidated Statements of Cash Flows (Unaudited) (USD $) In Thousands, unless otherwise specified	3 Months Ended
	Mar. 31, 2012	Mar. 31, 2011
OPERATING ACTIVITIES:
Net income	$ 146,255	$ 126,515
Adjustments to reconcile net income to net cash provided by operating activities:
Depreciation and amortization	22,985	22,545
Share-based compensation	1,749	512
Excess tax benefits from share-based compensation	(5,335)	(529)
Other	(50)	85
Changes in operating assets and liabilities	6,693	(95,717)
NET CASH PROVIDED BY OPERATING ACTIVITIES	172,297	53,411
INVESTING ACTIVITIES:
Purchases of property, plant and equipment	(16,889)	(14,534)
Acquisition of businesses and other investing activities	(188,918)	(33,903)
NET CASH USED IN INVESTING ACTIVITIES	(205,807)	(48,437)
FINANCING ACTIVITIES:
Stock options exercised	(3,122)	609
Excess tax benefits from share-based compensation	5,335	529
Dividends paid	(70,019)	(64,600)
Purchase of stock	(296)	(9,095)
NET CASH USED IN FINANCING ACTIVITIES	(68,102)	(72,557)
EFFECT OF EXCHANGE RATE CHANGES ON CASH	982	3,497
NET DECREASE IN CASH AND CASH EQUIVALENTS	(100,630)	(64,086)
CASH AND CASH EQUIVALENTS AT BEGINNING OF PERIOD	525,054	529,968
CASH AND CASH EQUIVALENTS AT END OF PERIOD	$ 424,424	$ 465,882