Condensed Consolidated Statements of Cash Flows (Unaudited) (USD $) In Thousands, unless otherwise specified	9 Months Ended
	Sep. 30, 2012	Sep. 30, 2011
Cash flows from operating activities:
Net income	$ 8,921	$ 2,072
Adjustments to reconcile net income to net cash provided by operating activities:
Net unrealized (gain) loss related to derivative instruments	(432)	(9,394)
Depreciation and amortization	36,123	39,556
Gain on disposal or impairment of long-lived assets, net	(3,496)	(137)
Equity earnings from investments	(22,903)	(10,166)
Distributions from equity investments	25,053	10,166
Amortization and write down of debt issuance costs	2,078	23,235
Deferred tax benefit	(3,738)	(4,019)
Non-cash equity compensation	4,832	3,949
Provision for uncollectible accounts receivable, net of recoveries	(828)	(5,340)
Currency (gain) loss	358	(3,430)
Changes in operating assets and liabilities (Note 12)	5,790	(54,726)
Net cash provided by (used in) operating activities	51,758	(8,234)
Cash flows from investing activities:
Capital expenditures	(82,123)	(50,879)
Proceeds from sale of long-lived assets	347	1,093
Investments in non-consolidated subsidiaries	(63,999)	(2,863)
Proceeds from the sale of non-consolidated affiliate	3,500	0
Distributions in excess of equity in earnings of affiliates	10,569	9,745
Net cash used in investing activities	(131,706)	(42,904)
Cash flows from financing activities:
Debt issuance costs	(694)	(10,639)
Borrowings on debt and other obligations	260,500	153,434
Principal payments on debt and other obligations	(179,001)	(115,425)
Distributions	(5,754)	0
Repurchase of stock-based awards for payment of statutory taxes due on stock-based compensation	(242)	0
Net cash provided by (used in) financing activities	74,809	27,370
Effect of exchange rate changes on cash and cash equivalents	(977)	1,005
Net decrease in cash and cash equivalents	(6,116)	(22,763)
Net Cash Provided by (Used in) Discontinued Operations	(36)	(1,206)
Net Cash Provided by (Used in) Continuing Operations	(6,152)	(23,969)
Cash and cash equivalents at beginning of period	73,613	87,821
Cash and cash equivalents at end of period	$ 67,461	$ 63,852