Condensed Consolidated Statements of Cash Flows (Unaudited) (USD $) In Thousands, unless otherwise specified	9 Months Ended
	Sep. 30, 2012	Sep. 30, 2011
Operating Activities:
Consolidated net income	$ 110,286	$ 55,039
Adjustments to reconcile consolidated net income to net cash provided by (used in) operating activities:
Depreciation	79,640	80,298
Amortization of intangibles	11,590	11,745
Deferred income taxes	(47,763)
Non-cash restructuring	147	383
Amortization of debt issuance cost	947	938
Stock-based compensation expense	11,473	9,164
Gain on partial sale of joint venture		(11,423)
Gain on sale of fixed assets	(929)
Changes in operating assets and liabilities	(187,410)	(100,392)
Net cash provided by (used in) operating activities	(22,019)	45,752
Investing activities:
Capital expenditures, including other intangible assets	(91,537)	(70,253)
Acquisition of businesses, net of cash acquired	(1,084)	30,878
Investment in affiliate		(10,500)
Proceeds from partial sale of joint venture		16,000
Proceeds from the sale of fixed assets	8,997	377
Net cash used in investing activities	(83,624)	(33,498)
Financing activities:
Decrease in short-term debt	(2,833)	(4,336)
Principal payments on long-term debt	(4,310)	(3,189)
Cash dividends paid	(5,135)	(5,406)
Repurchase of preferred stock	(4,870)
Repurchase of common stock	(20,636)
Other	21	(154)
Net cash used in financing activities	(37,763)	(13,085)
Effects of exchange rate changes on cash	(501)	(7,319)
Changes in cash and cash equivalents	(143,907)	(8,150)
Cash and cash equivalents at beginning of period	361,745	294,450
Cash and cash equivalents at end of period	$ 217,838	$ 286,300