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Summary of Significant Accounting Policies - Additional Information (Details) - USD ($) $ in Thousands | 12 Months Ended |  |
--- | --- | --- | ---
Dec. 31, 2015 | Dec. 31, 2014 | Dec. 31, 2013 | Jun. 28, 2013 | Mar. 29, 2013
Significant Accounting Policies [Line Items] |  |  |  |  |
Earnings from equity investment | $ 2,657 | $ 2,700 | $ 1,469 |  |
Reclassification of debt issuance costs from other assets |  | 200 |  |  |
Reclassification from other assets to long term debt |  | $ 2,500 |  |  |
Laser Quantum |  |  |  |  |
Significant Accounting Policies [Line Items] |  |  |  |  |
Equity method investment ownership percentage | 41.00% | 41.00% |  | 41.00% | 25.00%
Net investment | $ 10,100 | $ 8,000 |  |  |
Maximum |  |  |  |  |
Significant Accounting Policies [Line Items] |  |  |  |  |
Cash equivalents original maturity period | 3 months |  |  |  |
Maximum | Laser Products |  |  |  |  |
Significant Accounting Policies [Line Items] |  |  |  |  |
Standard warranty period | 24 months |  |  |  |
Maximum | Precision Motion |  |  |  |  |
Significant Accounting Policies [Line Items] |  |  |  |  |
Standard warranty period | 24 months |  |  |  |
Maximum | Vision Technologies |  |  |  |  |
Significant Accounting Policies [Line Items] |  |  |  |  |
Standard warranty period | 36 months |  |  |  |
Maximum | Buildings and improvements |  |  |  |  |
Significant Accounting Policies [Line Items] |  |  |  |  |
Property, plant and equipment, estimated useful lives | 30 years |  |  |  |
Maximum | Machinery and Equipment |  |  |  |  |
Significant Accounting Policies [Line Items] |  |  |  |  |
Property, plant and equipment, estimated useful lives | 10 years |  |  |  |
Minimum | Laser Products |  |  |  |  |
Significant Accounting Policies [Line Items] |  |  |  |  |
Standard warranty period | 12 months |  |  |  |
Minimum | Precision Motion |  |  |  |  |
Significant Accounting Policies [Line Items] |  |  |  |  |
Standard warranty period | 12 months |  |  |  |
Minimum | Vision Technologies |  |  |  |  |
Significant Accounting Policies [Line Items] |  |  |  |  |
Standard warranty period | 12 months |  |  |  |
Minimum | Buildings and improvements |  |  |  |  |
Significant Accounting Policies [Line Items] |  |  |  |  |
Property, plant and equipment, estimated useful lives | 3 years |  |  |  |
Minimum | Machinery and Equipment |  |  |  |  |
Significant Accounting Policies [Line Items] |  |  |  |  |
Property, plant and equipment, estimated useful lives | 1 year |  |  |  |

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