Consolidated Statements of Cash Flows (USD $)
In Thousands, unless otherwise specified
12 Months Ended
Dec. 31, 2014
Dec. 31, 2013
Dec. 31, 2012
Cash flows from operating activities      
Net income (loss) $ (67,332) $ (22,218) $ 30,282
Adjustments to reconcile net income (loss) to net cash provided by operating activities      
Depreciation and amortization 103,706 95,196 85,604
Amortization of deferred financing costs and issuance discount 9,937 9,547 8,537
Deferred income tax 4,833 4,215 4,734
Stock-based compensation 10,501 9,950 7,328
Earnings of unconsolidated affiliates, net of dividends (12,750) (16,638) (6,169)
Unrealized net losses on foreign exchange forward contracts 4,554    
Contingent gain on sale of business (623)    
Loss on extinguishment of debt 7,390 20,744  
Prepayment penalty on long-term debt (3,975)    
Loss (gain) on sale of businesses and other assets (116) 4,186 263
Impairment charges   13,851 245
Changes in assets and liabilities      
Accounts receivable 68,483 (5,643) 84,678
Inventories 22,605 55,369 (87,241)
Accounts payable and other current liabilities (5,697) 15,001 67,887
Income taxes payable 259 (1,241) (5,142)
Other assets, net (2,527) 2,384 (12,672)
Other liabilities, net (22,027) 26,632 7,781
Cash provided by operating activities 117,221 211,335 186,115
Cash flows from investing activities      
Capital expenditures (98,606) (73,544) (118,504)
Proceeds from capital expenditures subsidy   18,769 6,079
Proceeds from the sale of businesses and other assets 6,257 15,221 253
Payment for working capital adjustment from sale of business (700)    
Advance payment received (refunded)   (2,711) 2,602
Distributions from unconsolidated affiliates 978 1,055  
(Increase) / decrease in restricted cash (533) 7,852 (7,725)
Cash used in investing activities (92,604) (33,358) (117,295)
Cash flows from financing activities      
Proceeds from initial public offering, net of offering costs 198,087    
Deferred financing fees   (48,255) (8,080)
Short term borrowings, net (56,901) (42,877) (37,887)
Capital contribution     162,155
Repayments of Term Loans   (1,239,000) (147,000)
Proceeds from issuance of Senior Notes   1,325,000  
Repayments of Senior Notes (132,500)    
Proceeds from Accounts Receivable Securitization Facility 308,638 376,630 113,828
Repayments of Accounts Receivable Securitization Facility (309,205) (471,696) (130,233)
Proceeds from Revolving Facility   405,000 1,105,000
Repayments of Revolving Facility   (525,000) (1,135,000)
Cash provided by (used in) financing activities 8,119 (220,198) (77,217)
Effect of exchange rates on cash (8,453) 2,367 (559)
Net change in cash and cash equivalents 24,283 (39,854) (8,956)
Cash and cash equivalents-beginning of period 196,503 236,357 245,313
Cash and cash equivalents-end of period 220,786 196,503 236,357
Supplemental disclosure of cash flow information      
Cash paid for income taxes, net of refunds 5,097 24,779 20,444
Cash paid for interest, net of amounts capitalized 119,820 83,509 98,046
Accrual for property, plant and equipment $ 18,245 $ 11,156 $ 13,155