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Income taxes (Tables) | 12 Months Ended
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Dec. 31, 2016
Income Tax Disclosure [Abstract] |
Schedule of Income before Income Tax, Domestic and Foreign | The components of the Company's income before income taxes for the years ended December 31, 2016, 2015 and 2014 are as follows (in thousands):
| 2016 |  | 2015 |  | 2014
U.S. | $ | (155,058 | ) |  | $ | (114,862 | ) |  | $ | 127,270 |
Non-U.S. | 17,059 |  |  | (19,461 | ) |  | 115,252 |
Income (loss) before income taxes | $ | (137,999 | ) |  | $ | (134,323 | ) |  | $ | 242,522 |
Schedule of Components of Income Tax Expense (Benefit) | The Company’s provision (benefit) for income taxes from continuing operations for the years ended December 31, 2016, 2015 and 2014 are as follows (in thousands):
| 2016 |  | 2015 |  | 2014
Current |  |  |  |  |
U.S. Federal and state | $ | (38,589 | ) |  | $ | 43 |  |  | $ | 47,100 |
Non-U.S. | 6,956 |  |  | 8,264 |  |  | 24,315 |
Total current | (31,633 | ) |  | 8,307 |  |  | 71,415 |
Deferred |  |  |  |  |
U.S. Federal and state | (18,290 | ) |  | (19,071 | ) |  | (2,080 | )
Non-U.S. | (6,128 | ) |  | (4,175 | ) |  | (1,190 | )
Total deferred | (24,418 | ) |  | (23,246 | ) |  | (3,270 | )
Provision for income tax expense (benefit) | $ | (56,051 | ) |  | $ | (14,939 | ) |  | $ | 68,145 |
Schedule of Effective Income Tax Rate Reconciliation | The reconciliation between the actual provision for income taxes from continuing operations and that computed by applying the U.S. statutory rate to income before income taxes and noncontrolling interests are outlined below (in thousands):
| 2016 |  | 2015 |  | 2014
Income tax expense (benefit) at the statutory rate | $ | (48,300 | ) | 35.0 | % |  | $ | (47,013 | ) | 35.0 | % |  | $ | 84,882 |  | 35.0 | %
State taxes, net of federal tax benefit | (1,425 | ) | 1.0 | % |  | (1,157 | ) | 0.9 | % |  | 4,132 |  | 1.7 | %
Non-U.S. operations | (5,791 | ) | 4.2 | % |  | 6,300 |  | (4.7 | )% |  | (15,060 | ) | (6.2 | )%
Domestic incentives | (170 | ) | 0.1 | % |  | (250 | ) | 0.2 | % |  | (4,412 | ) | (1.8 | )%
Prior year federal, non-U.S. and state tax | (777 | ) | 0.6 | % |  | (518 | ) | 0.4 | % |  | (1,692 | ) | (0.7 | )%
Nondeductible expenses | 345 |  | (0.2 | )% |  | 279 |  | (0.2 | )% |  | 663 |  | 0.3 | %
Goodwill impairment | — |  | — | % |  | 27,210 |  | (20.3 | )% |  | — |  | — | %
Other | 67 |  | (0.1 | )% |  | 210 |  | (0.2 | )% |  | (368 | ) | (0.2 | )%
Provision for income tax expense (benefit) | $ | (56,051 | ) | 40.6 | % |  | $ | (14,939 | ) | 11.1 | % |  | $ | 68,145 |  | 28.1 | %
Schedule of Deferred Tax Assets and Liabilities | The primary components of deferred taxes include (in thousands):
| 2016 |  | 2015
Deferred tax assets |  |  |
Reserves and accruals | $ | 6,603 |  |  | $ | 7,174 |
Inventory | 24,677 |  |  | 29,154 |
Stock awards | 10,984 |  |  | 9,350 |
Other | 982 |  |  | 544 |
Net operating loss and other tax credit carryforwards | 30,317 |  |  | 1,673 |
Total deferred tax assets | 73,563 |  |  | 47,895 |
Deferred tax liabilities |  |  |
Property and equipment | (13,593 | ) |  | (16,925 | )
Goodwill and intangible assets | (73,074 | ) |  | (68,635 | )
Investment in unconsolidated subsidiary | (10,000 | ) |  | (10,764 | )
Unremitted non-U.S. earnings | (740 | ) |  | (740 | )
Prepaid expenses and other | (1,490 | ) |  | (1,151 | )
Total deferred tax liabilities | (98,897 | ) |  | (98,215 | )
Net deferred tax liabilities | $ | (25,334 | ) |  | $ | (50,320 | )
Schedule of Unrecognized Tax Benefits Roll Forward | A reconciliation of the beginning and ending amount of uncertain tax positions is as follows (in thousands):
Balance at January 1, 2016 |  | $ | 8,410 |
Additional based on tax positions related to prior years |  | 1,785 |
Additional based on tax positions related to current year |  | 6,103 |
Reduction based on tax positions related to prior years |  | — |
Lapse of statute of limitations |  | (2,078 | )
Balance at December 31, 2016 |  | 14,220 |
Deferred tax benefits on uncertain tax position related to U.S. and non-U.S. income tax |  | — |
Net balance at December 31, 2016 |  | $ | 14,220 |

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