Consolidated Statements Of Cash Flows (USD $) In Thousands, unless otherwise specified	9 Months Ended
	Sep. 30, 2014	Sep. 30, 2013
Cash Flows from Operating Activities:
Net Income	$ 325,858	$ 278,067
Adjustments to reconcile net income to net cash provided by operating activities:
Depreciation and amortization	169,029	150,973
Deferred income tax provision	45,992	41,524
Net loss (gain) on sales of property and equipment	(1,241)	106
Noncash compensation	15,897	14,546
Distributions of accumulated earnings of unconsolidated affiliates	0	348
Excluding the effects of acquisitions, increase (decrease) in cash from:
Accounts receivable	(152,492)	(80,736)
Inventory	7,536	(114,736)
Other operating assets	2,308	(18,380)
Currency translation effect on working capital	(14,148)	(11,028)
Current liabilities	(12,893)	102,497
Other operating liabilities	(1,700)	1,743
Total adjustments to net income	58,288	86,857
Net Cash Provided by Operating Activities	384,146	364,924
Cash Flows from Investing Activities:
Purchases of property and equipment	(301,488)	(268,579)
Payments to Acquire Businesses, Net of Cash Acquired	(39,788)	(11,855)
Distributions of capital from unconsolidated affiliates	3,534	3,602
Dispositions of property and equipment	2,118	11,470
Net Cash Used in Investing Activities	(335,624)	(265,362)
Cash Flows from Financing Activities:
Net proceeds (payments) of revolving credit facility	250,000	(53,804)
Excess tax benefits from employee benefit plans	3,083	3,124
Payments of Dividends	(81,759)	(67,082)
Repurchases of treasury stock	(236,684)	0
Net Cash Provided by (Used in) Financing Activities	(65,360)	(117,762)
Net Increase (Decrease) in Cash and Cash Equivalents	(16,838)	(18,200)
Cash and Cash Equivalents-Beginning of Period	91,430	120,549
Cash and Cash Equivalents-End of Period	$ 74,592	$ 102,349