CONSOLIDATED STATEMENT OF CASH FLOWS (USD $) In Thousands	6 Months Ended
	Jun. 30, 2011	Jun. 30, 2010
Cash flows from operating activities
Net income	$ 108,356	$ 94,026
Adjustments to reconcile net income to net cash provided by operating activities:
Depreciation and amortization	112,097	101,784
Excess tax benefit from share-based compensation arrangements	(885)	(2,863)
Share-based compensation	8,743	9,257
Deferred income taxes	10,220	2,334
Income of unconsolidated affiliated company	(1,582)	(1,394)
(Gain) loss on sales of property and equipment	954	(84)
Changes in working capital, excluding effect of acquisitions	(153,482)	(70,777)
Net change in deferred charges and credits	(2,458)	(3,571)
Net cash provided by operating activities	81,963	128,712
Cash flows from investing activities
Additions to property and equipment	(61,277)	(39,290)
Business acquisitions and adjustments, net of cash acquired	(16,206)	(1,222,111)
Proceeds from sales of property and equipment	683	853
Net cash used in investing activities	(76,800)	(1,260,548)
Cash flows from financing activities
Proceeds from issuance of long-term debt	4,723	13,464
Repayment of long-term debt	(2,050)	(38,150)
Net borrowing of commercial paper	173,250	233,619
Net borrowing of short-term debt	17,574	4,143
Cash dividends paid to shareholders	(51,693)	(51,105)
Common stock purchased for the treasury	(123,142)
Excess tax benefit from share-based compensation arrangements	885	2,863
Stock incentive programs and related tax withholdings	(3,676)	(13,315)
Net cash provided by financing activities	15,871	151,519
Effect of exchange rates on cash and cash equivalents	(8,705)	(5,084)
Net increase (decrease) in cash and cash equivalents	12,329	(985,401)
Cash and cash equivalents balance at beginning of year	60,404	1,065,687
Cash and cash equivalents balance at end of period	72,733	80,286
Business acquisitions and adjustments, net of cash acquired:
Working capital acquired, net	16,034	230,692
Goodwill and intangible assets acquired, net	(858)	467,153
Fixed and other long-term assets	961	544,280
Deferred taxes and other liabilities	(311)	(35,893)
Subsidiary shares of noncontrolling interests	380	15,879
Cash used for acquisitions	16,206	1,222,111
Interest paid during the period	34,965	37,604
Income taxes paid during the period	$ 50,736	$ 40,652