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Segment Information - Segment Information (Detail) - USD ($) $ in Thousands | 3 Months Ended |
--- | --- | ---
Mar. 31, 2016 | Mar. 31, 2015 | Dec. 31, 2015
Segment Reporting Information [Line Items] |  |  |
Revenues from external customers | $ 212,226 | $ 163,746 |
Income (loss) from operations | 11,874 | 13,934 |
Total assets | 1,395,617 | 694,386 | $ 1,380,567
Precision Bearing Components Group [Member] | Operating Segments [Member] |  |  |
Segment Reporting Information [Line Items] |  |  |
Revenues from external customers | 64,745 | 73,236 |
Income (loss) from operations | 6,326 | 9,089 |
Total assets | 227,852 | 204,032 |
Autocam Precision Components Group [Member] | Operating Segments [Member] |  |  |
Segment Reporting Information [Line Items] |  |  |
Revenues from external customers | 83,990 | 82,622 |
Income (loss) from operations | 6,527 | 7,718 |
Total assets | 426,741 | 439,542 |
PEP [Member] | Operating Segments [Member] |  |  |
Segment Reporting Information [Line Items] |  |  |
Revenues from external customers | 63,491 | 7,888 |
Income (loss) from operations | 5,421 | 213 |
Total assets | 737,956 | 18,023 |
Corporate and Consolidations [Member] |  |  |
Segment Reporting Information [Line Items] |  |  |
Income (loss) from operations | (6,400) | (3,086) |
Total assets | $ 3,068 | $ 32,789 |

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