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Reportable Segments (Details 2) (USD $) In Thousands, unless otherwise specified | 3 Months Ended | 9 Months Ended
--- | --- | ---
Sep. 30, 2013 | Sep. 30, 2012 | Sep. 30, 2013 | Sep. 30, 2012
Reconciliation of net income (loss) to gross margin |  |  |  |
Net income (loss) | $ 45,261 | $ 119,346 | $ 128,556 | $ (40,265)
Selling, general and administrative | 93,723 | 85,536 | 269,819 | 274,509
Depreciation and amortization | 81,305 | 85,248 | 244,702 | 259,268
Long-lived asset impairment | 6,925 | 3,204 | 27,062 | 135,869
Restructuring charges |  | 1,515 |  | 5,828
Interest expense | 28,882 | 31,723 | 87,006 | 106,682
Equity in income of non-consolidated affiliates | (4,778) | (4,793) | (14,165) | (46,860)
Other (income) expense, net | (4,447) | (1,450) | (21,495) | 1,207
Provision for (benefit from) income taxes | 15,421 | 1,267 | 54,421 | (34,578)
Income from discontinued operations, net of tax | (17,511) | (110,916) | (49,186) | (66,863)
Gross margin | $ 244,781 | $ 210,680 | $ 726,720 | $ 594,797

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