Consolidated Statements Of Cash Flows (USD $) In Thousands, unless otherwise specified	6 Months Ended
	Jun. 30, 2013	Jun. 30, 2012
Cash Flows from Operating Activities:
Net Income	$ 173,660	$ 124,009
Adjustments to reconcile net income to net cash provided by operating activities:
Depreciation and amortization	100,025	82,234
Deferred income tax provision (benefit)	39,965	(5,237)
Gain on sales of property and equipment	(41)	(163)
Noncash compensation	9,635	8,225
Distributions from unconsolidated affiliates in excess of earnings	366	4,686
Excluding the effects of acquisitions, increase (decrease) in cash from:
Accounts receivable	6,263	(42,584)
Inventory	(63,593)	(35,046)
Other operating assets	(12,563)	(3,000)
Currency translation effect on working capital	(18,127)	(3,071)
Current liabilities	(5,330)	56,053
Other operating liabilities	177	295
Total adjustments to net income	56,777	62,392
Net Cash Provided by Operating Activities	230,437	186,401
Cash Flows from Investing Activities:
Purchases of property and equipment	(175,315)	(151,591)
Business acquisitions, net of cash acquired	0	(9,260)
Distributions of capital from unconsolidated affiliates	2,752	0
Dispositions of property and equipment	41	444
Net Cash Used in Investing Activities	(172,522)	(160,407)
Cash Flows from Financing Activities:
Net payments of revolving credit facility, including loan costs	(19,000)	3,955
Excess tax benefits from stock-based compensation	3,124	4,523
Cash dividends	(43,278)	(35,668)
Purchases of treasury stock	0	(19,358)
Net Cash Used in Financing Activities	(59,154)	(46,548)
Net Decrease in Cash and Cash Equivalents	(1,239)	(20,554)
Cash and Cash Equivalents-Beginning of Period	120,549	106,142
Cash and Cash Equivalents-End of Period	$ 119,310	$ 85,588