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v3.3.1.900

Condensed consolidating financial information - Statement of Cash Flows (Details) - USD ($) $ in Thousands | 12 Months Ended
--- | ---
Dec. 31, 2015 | Dec. 31, 2014 | Dec. 31, 2013
CASH FLOWS FROM OPERATING ACTIVITIES: |  |  |
Net cash provided by operating activities | $ 31,866 | $ 207,680 | $ 19,718
CASH FLOWS FROM INVESTING ACTIVITIES: |  |  |
Purchase of property, plant and equipment | (54,700) | (55,126) | (68,077)
Purchase of Sebree smelter | 0 | (1,042) | (48,058)
Investments in and advances to joint ventures | 0 | 0 | (125)
Purchase of remaining interest in Mt. Holly smelter | 11,313 | (65,100) | 0
Proceeds from sale of property, plant and equipment | 14 | 46 | 525
Restricted and other cash deposits | 10 | 896 | (1,439)
Intercompany transactions | 0 |  |
Net cash used in investing activities | (43,363) | (120,326) | (117,174)
CASH FLOWS FROM FINANCING ACTIVITIES: |  |  |
Repayment of debt | 0 | (2,603) | (249,604)
Proceeds from issuance of debt | 0 | 0 | 246,330
Borrowings under revolving credit facilities | 1,737 | 92,423 | 22,725
Repayments under revolving credit facilities | (1,737) | (98,423) | (16,725)
Repurchase of common stock | (36,352) | 0 | 0
Debt issuance costs | 0 | 0 | (3,994)
Debt retirement costs | 0 | 0 | (1,208)
Issuance of common stock | 0 | 403 | 44
Intercompany transactions | 0 | 0 | 0
Net cash used in financing activities | (36,352) | (8,200) | (2,432)
CHANGE IN CASH AND CASH EQUIVALENTS | (47,849) | 79,154 | (99,888)
Cash and cash equivalents, beginning of year | 163,242 | 84,088 | 183,976
Cash and cash equivalents, end of year | 115,393 | 163,242 | 84,088
The Company [Member] |  |  |
CASH FLOWS FROM OPERATING ACTIVITIES: |  |  |
Net cash provided by operating activities | 25,423 | 92,338 | 30,462
CASH FLOWS FROM INVESTING ACTIVITIES: |  |  |
Purchase of property, plant and equipment | (8,574) | (587) | (1,229)
Purchase of Sebree smelter |  | (1,042) | (48,058)
Investments in and advances to joint ventures |  |  | (125)
Purchase of remaining interest in Mt. Holly smelter | 11,313 | (65,100) |
Proceeds from sale of property, plant and equipment | 0 | 0 | 0
Restricted and other cash deposits | 0 | 0 | 0
Intercompany transactions | (4,072) |  |
Net cash used in investing activities | (1,333) | (66,729) | (49,412)
CASH FLOWS FROM FINANCING ACTIVITIES: |  |  |
Repayment of debt |  | (2,603) | (249,604)
Proceeds from issuance of debt |  |  | 246,330
Borrowings under revolving credit facilities | 1,737 | 92,423 | 16,725
Repayments under revolving credit facilities | (1,737) | (92,423) | (16,725)
Repurchase of common stock | (36,352) |  |
Debt issuance costs |  |  | (3,994)
Debt retirement costs |  |  | (1,208)
Issuance of common stock |  | 403 | 44
Intercompany transactions | 0 | 0 | 0
Net cash used in financing activities | (36,352) | (2,200) | (8,432)
CHANGE IN CASH AND CASH EQUIVALENTS | (12,262) | 23,409 | (27,382)
Cash and cash equivalents, beginning of year | 70,683 | 47,274 | 74,656
Cash and cash equivalents, end of year | 58,421 | 70,683 | 47,274
Combined Guarantor Subsidiaries [Member] |  |  |
CASH FLOWS FROM OPERATING ACTIVITIES: |  |  |
Net cash provided by operating activities | 30,890 | 40,711 | (70,217)
CASH FLOWS FROM INVESTING ACTIVITIES: |  |  |
Purchase of property, plant and equipment | (21,477) | (22,939) | (17,199)
Purchase of Sebree smelter |  | 0 | 0
Investments in and advances to joint ventures |  |  | 0
Purchase of remaining interest in Mt. Holly smelter | 0 | 0 |
Proceeds from sale of property, plant and equipment | 14 | 0 | 14
Restricted and other cash deposits | (4) | 0 | (787)
Intercompany transactions | 0 |  |
Net cash used in investing activities | (21,467) | (22,939) | (17,972)
CASH FLOWS FROM FINANCING ACTIVITIES: |  |  |
Repayment of debt |  | 0 | 0
Proceeds from issuance of debt |  |  | 0
Borrowings under revolving credit facilities | 0 | 0 | 0
Repayments under revolving credit facilities | 0 | 0 | 0
Repurchase of common stock | 0 |  |
Debt issuance costs |  |  | 0
Debt retirement costs |  |  | 0
Issuance of common stock |  | 0 | 0
Intercompany transactions | (11,883) | (17,801) | 87,718
Net cash used in financing activities | (11,883) | (17,801) | 87,718
CHANGE IN CASH AND CASH EQUIVALENTS | (2,460) | (29) | (471)
Cash and cash equivalents, beginning of year | (1,187) | (1,158) | (687)
Cash and cash equivalents, end of year | (3,647) | (1,187) | (1,158)
Combined Non-Guarantor Subsidiaries [Member] |  |  |
CASH FLOWS FROM OPERATING ACTIVITIES: |  |  |
Net cash provided by operating activities | 65,085 | 139,896 | 82,776
CASH FLOWS FROM INVESTING ACTIVITIES: |  |  |
Purchase of property, plant and equipment | (24,209) | (31,603) | (49,649)
Purchase of Sebree smelter |  | 0 | 0
Investments in and advances to joint ventures |  |  | 0
Purchase of remaining interest in Mt. Holly smelter | 0 | 0 |
Proceeds from sale of property, plant and equipment | 0 | 46 | 511
Restricted and other cash deposits | 14 | 896 | (652)
Intercompany transactions | 0 |  |
Net cash used in investing activities | (24,195) | (30,661) | (49,790)
CASH FLOWS FROM FINANCING ACTIVITIES: |  |  |
Repayment of debt |  | 0 | 0
Proceeds from issuance of debt |  |  | 0
Borrowings under revolving credit facilities | 0 | 0 | 6,000
Repayments under revolving credit facilities | 0 | (6,000) | 0
Repurchase of common stock | 0 |  |
Debt issuance costs |  |  | 0
Debt retirement costs |  |  | 0
Issuance of common stock |  | 0 | 0
Intercompany transactions | (74,017) | (47,461) | (111,021)
Net cash used in financing activities | (74,017) | (53,461) | (105,021)
CHANGE IN CASH AND CASH EQUIVALENTS | (33,127) | 55,774 | (72,035)
Cash and cash equivalents, beginning of year | 93,746 | 37,972 | 110,007
Cash and cash equivalents, end of year | 60,619 | 93,746 | 37,972
Consolidating Adjustments [Member] |  |  |
CASH FLOWS FROM OPERATING ACTIVITIES: |  |  |
Net cash provided by operating activities | (89,532) | (65,265) | (23,303)
CASH FLOWS FROM INVESTING ACTIVITIES: |  |  |
Purchase of property, plant and equipment | (440) | 3 | 0
Purchase of Sebree smelter |  | 0 | 0
Investments in and advances to joint ventures |  |  | 0
Purchase of remaining interest in Mt. Holly smelter | 0 | 0 |
Proceeds from sale of property, plant and equipment | 0 | 0 | 0
Restricted and other cash deposits | 0 | 0 | 0
Intercompany transactions | 4,072 |  |
Net cash used in investing activities | 3,632 | 3 | 0
CASH FLOWS FROM FINANCING ACTIVITIES: |  |  |
Repayment of debt |  | 0 | 0
Proceeds from issuance of debt |  |  | 0
Borrowings under revolving credit facilities | 0 | 0 | 0
Repayments under revolving credit facilities | 0 | 0 | 0
Repurchase of common stock | 0 |  |
Debt issuance costs |  |  | 0
Debt retirement costs |  |  | 0
Issuance of common stock |  | 0 | 0
Intercompany transactions | 85,900 | 65,262 | 23,303
Net cash used in financing activities | 85,900 | 65,262 | 23,303
CHANGE IN CASH AND CASH EQUIVALENTS | 0 | 0 | 0
Cash and cash equivalents, beginning of year | 0 | 0 | 0
Cash and cash equivalents, end of year | $ 0 | $ 0 | $ 0

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