Consolidated Statements Of Cash Flows (USD $) In Thousands, unless otherwise specified	9 Months Ended
	Sep. 30, 2013	Sep. 30, 2012
Cash Flows from Operating Activities:
Net Income	$ 278,067	$ 208,415
Adjustments to reconcile net income to net cash provided by operating activities:
Depreciation and amortization	150,973	127,073
Deferred income tax provision (benefit)	41,524	9,474
Gain on sales of property and equipment	106	(597)
Noncash compensation	14,546	12,414
Distributions from unconsolidated affiliates in excess of earnings	348	5,772
Excluding the effects of acquisitions, increase (decrease) in cash from:
Accounts receivable	(80,736)	(97,150)
Inventory	(114,736)	(71,735)
Other operating assets	(18,380)	(13,950)
Currency translation effect on working capital	(11,028)	2,957
Current liabilities	102,497	109,180
Other operating liabilities	1,743	(1,383)
Total adjustments to net income	86,857	82,055
Net Cash Provided by Operating Activities	364,924	290,470
Cash Flows from Investing Activities:
Purchases of property and equipment	(268,579)	(216,548)
Business acquisitions, net of cash acquired	(11,855)	(9,260)
Distributions of capital from unconsolidated affiliates	3,602	0
Dispositions of property and equipment	11,470	3,806
Net Cash Used in Investing Activities	(265,362)	(222,002)
Cash Flows from Financing Activities:
Net payments of revolving credit facility, including loan costs	(53,804)	(1,045)
Excess tax benefits from stock-based compensation	3,124	4,523
Cash dividends	(67,082)	(55,092)
Purchases of treasury stock	0	(19,358)
Net Cash Used in Financing Activities	(117,762)	(70,972)
Net Decrease in Cash and Cash Equivalents	(18,200)	(2,504)
Cash and Cash Equivalents-Beginning of Period	120,549	106,142
Cash and Cash Equivalents-End of Period	$ 102,349	$ 103,638