CONDENSED CONSOLIDATED STATEMENTS OF CASH FLOWS (USD $) In Thousands, unless otherwise specified	9 Months Ended
	Sep. 30, 2014	Sep. 30, 2013
Operating Activities:
Net income	$ 57,839	$ 66,305
Adjustments to reconcile net income to net cash provided by operating activities:
Depreciation	72,416	71,741
Amortization of intangibles	12,325	11,534
Stock-based compensation expense	10,748	8,660
Equity earnings, net of dividends related to earnings	(1,806)	(3,345)
Loss on extinguishment of debt	30,488	0
Gain on divestiture	(18,385)	0
Gain on sale of investment	(1,882)	0
Deferred income taxes	10,220	14,604
Other	294	584
Changes in operating assets and liabilities	(83,539)	(152,510)
Net cash provided by operating activities	88,718	17,573
Investing activities:
Capital expenditures	(154,299)	(132,794)
Acquisition of business, net of cash acquired and deposit on acquisition business	(5,046)	(13,504)
Return on equity investments	951	2,120
Proceeds from divestiture	44,937	0
Proceeds from sale of investment	3,216	0
Proceeds from sale of fixed assets and other	3,374	3,584
Net cash used in investing activities	(106,867)	(140,594)
Financing activities:
Proceeds from issuance of Senior PIK Toggle Notes, net of debt issuance costs	0	194,357
Proceeds from issuance of long-term debt, net of debt issuance costs	737,462	0
Repurchase of Senior Notes and Senior PIK Toggle Notes	(675,615)	0
Increase (decrease) in short-term debt, net	(3,717)	1,648
Borrowings on long-term debt	6,609	0
Principal payments on long-term debt	(2,202)	(3,825)
Preferred stock cash dividends paid	0	(4,747)
Purchase of noncontrolling interest	0	(1,911)
Repurchase of common stock	0	(217,549)
Proceeds from exercise of warrants	8,492	11,252
Taxes withheld and paid on employees' share based payment awards	(4,175)	(5,851)
Other	(103)	549
Net cash provided by (used in) financing activities	66,751	(26,077)
Effects of exchange rate changes on cash and cash equivalents	11,883	(2,225)
Changes in cash and cash equivalents	60,485	(151,323)
Cash and cash equivalents at beginning of period	184,370	270,555
Cash and cash equivalents at end of period	$ 244,855	$ 119,232