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Acquisitions (Tables) | 12 Months Ended
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Dec. 31, 2015
Autocam [Member] |
Summary of Final Fair Values of Assets Acquired and Liabilities Assumed | The following table summarizes the purchase price allocation for the Autocam merger:
Fair value of assets acquired and liabilities assumed on August 29, 2014 |  | September 30, 2014 |  |  | 2014 adjustments to fair value |  |  | December 31, 2014 |
Current assets |  | $ | 88,529 |  |  | $ | (1,182 | ) |  | $ | 87,347 |
Property, plant, and equipment |  |  | 146,120 |  |  |  | 7,065 |  |  |  | 153,185 |
Intangible assets subject to amortization |  |  | 51,098 |  |  |  | 562 |  |  |  | 51,660 |
Investment in joint venture |  |  | 35,595 |  |  |  | — |  |  |  | 35,595 |
Other non-current assets |  |  | 2,170 |  |  |  | 3,898 |  |  |  | 6,068 |
Goodwill |  |  | 77,548 |  |  |  | (3,556 | ) |  |  | 73,992 |
Total assets acquired |  | $ | 401,060 |  |  | $ | 6,787 |  |  |  | 407,847 |
Current liabilities |  | $ | 34,320 |  |  | $ | 6,963 |  |  | $ | 41,283 |
Current maturities of long-term debt |  |  | 6,547 |  |  |  | — |  |  |  | 6,547 |
Non-current deferred tax liabilities |  |  | 46,998 |  |  |  | (486 | ) |  |  | 46,512 |
Obligations under capital lease |  |  | 18,350 |  |  |  | — |  |  |  | 18,350 |
Long-term debt, net of current portion |  |  | 4,263 |  |  |  | — |  |  |  | 4,263 |
Other non-current liabilities |  |  | 2,028 |  |  |  | 310 |  |  |  | 2,338 |
Total liabilities assumed |  | $ | 112,506 |  |  | $ | 6,787 |  |  | $ | 119,293 |
Net asset acquired |  | $ | 288,554 |  |  | $ | — |  |  | $ | 288,554 |
Summary of Unaudited Proforma Information | The provision for income taxes has also been adjusted for all periods, based upon the foregoing adjustments to historical results.
|  | Year ended December 31, |
|  | 2014 |  |  | 2013 |
Pro forma sales |  | $ | 659,652 |  |  | $ | 606,690 |
Pro forma net income |  | $ | 19,573 |  |  | $ | 3,307 |
PEP [Member] |
Summary of Final Fair Values of Assets Acquired and Liabilities Assumed | The following table summarizes the preliminary purchase price allocation for the PEP Acquisition:
Fair value of assets acquired and liabilities assumed |  | October 19, 2015 |
Current assets |  | $ | 69,331 |
Property, plant, and equipment |  |  | 56,163 |
Intangible assets subject to amortization |  |  | 240,490 |
Other non-current assets |  |  | 1,500 |
Goodwill |  |  | 364,450 |
Total assets acquired |  | $ | 731,934 |
Current liabilities |  | $ | 21,131 |
Non-current deferred tax liabilities |  |  | 87,578 |
Other non-current liabilities |  |  | 2,029 |
Total liabilities assumed |  | $ | 110,738 |
Net asset acquired |  | $ | 621,196 |
Summary of Unaudited Proforma Information | The provision for income taxes has also been adjusted for all periods, based upon the foregoing adjustments to historical results.
|  | Year ended December 31, |
|  | 2015 |  |  | 2014 |
Pro forma sales |  | $ | 851,583 |  |  | $ | 863,619 |
Pro forma net (loss) income |  | $ | 14,010 |  |  | $ | (7,560 | )
Basic income (loss) per share |  | $ | 0.66 |  |  | $ | (0.41 | )
Diluted income (loss) per share |  | $ | 0.65 |  |  | $ | (0.40 | )
Other Acquisitions [Member] |
Summary of Final Fair Values of Assets Acquired and Liabilities Assumed | The following table summarizes the final fair values of assets acquired and liabilities assumed at the date of acquisition with any adjustments to fair value since September 30, 2014.
Assets acquired and liabilities assumed |  | September 30, 2014 |  |  | 2014 adjustments to fair value |  |  | December 31, 2014 |
Current assets |  | $ | 5,688 |  |  | $ | (123 | ) |  | $ | 5,565 |
Property, plant, and equipment |  |  | 15,367 |  |  |  | (31 | ) |  |  | 15,336 |
Intangible assets subject to amortization |  |  | 2,705 |  |  |  | — |  |  |  | 2,705 |
Goodwill |  |  | 2,038 |  |  |  | 456 |  |  |  | 2,494 |
Total assets acquired |  | $ | 25,798 |  |  | $ | 302 |  |  | $ | 26,100 |
Current liabilities |  | $ | 4,803 |  |  | $ | 302 |  |  | $ | 5,105 |
Total liabilities assumed |  | $ | 4,803 |  |  | $ | 302 |  |  | $ | 5,105 |
Net asset acquired |  | $ | 20,995 |  |  | $ | — |  |  | $ | 20,995 |

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