CONDENSED CONSOLIDATED STATEMENTS OF CASH FLOWS (USD $) In Thousands, unless otherwise specified	9 Months Ended
	Sep. 30, 2013	Sep. 30, 2012
Operating Activities:
Net income	$ 66,305	$ 110,286
Adjustments to reconcile net income to net cash provided by (used in) operating activities:
Depreciation	71,741	79,640
Amortization of intangibles	11,534	11,590
Stock-based compensation expense	8,660	11,473
Equity earnings, net of dividends related to earnings	(3,345)	(5,009)
Deferred income taxes	14,604	(47,763)
Other	584	(334)
Changes in operating assets and liabilities	(152,510)	(182,401)
Net cash provided by (used in) operating activities	17,573	(22,518)
Investing activities:
Capital expenditures, including other intangible assets	(132,794)	(91,537)
Acquisition of businesses, net of cash acquired	(13,504)	(1,084)
Return on equity investments	2,120
Proceeds from sale of fixed assets and other	3,584	8,997
Net cash used in investing activities	(140,594)	(83,624)
Financing activities:
Proceeds from issuance of senior PIK toggle notes, net of debt issuance costs	194,357
Increase (decrease) in short term debt, net	1,648	(2,833)
Principal payments on long-term debt	(3,825)	(4,310)
Preferred stock cash dividends paid	(4,747)	(5,135)
Purchase of noncontrolling interest	(1,911)
Repurchase of preferred stock		(4,870)
Repurchase of common stock	(217,549)	(20,636)
Proceeds from exercise of warrants	11,252
Other	(5,302)	520
Net cash used in financing activities	(26,077)	(37,264)
Effects of exchange rate changes on cash and cash equivalents	(2,225)	(501)
Changes in cash and cash equivalents	(151,323)	(143,907)
Cash and cash equivalents at beginning of period	270,555	361,745
Cash and cash equivalents at end of period	$ 119,232	$ 217,838