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v3.3.1.900

Supplementary Information - Additional Information (Details) - USD ($) $ in Thousands |  | 1 Months Ended | 3 Months Ended | 12 Months Ended
--- | --- | --- | --- | ---
Apr. 15, 2015 | Apr. 30, 2015 | Jul. 31, 2014 | Dec. 31, 2014 | Sep. 26, 2014 | Dec. 31, 2015 | Dec. 31, 2014 | Dec. 31, 2013
Quarterly Financial Information [Line Items] |  |  |  |  |  |  |  |
Proceeds from the sale of business, net of transaction costs |  |  |  |  |  | $ 29,570 |  |
Loss on disposal of discontinued operations, net of tax |  |  |  | $ (1,405) | $ (321) |  | $ (1,726) | $ (592)
Impairment of goodwill and intangible assets |  |  |  | $ 41,442 |  |  | 41,442 |
JK Lasers Business |  |  |  |  |  |  |  |
Quarterly Financial Information [Line Items] |  |  |  |  |  |  |  |
Proceeds from the sale of business, net of transaction costs | $ 29,600 | $ 29,600 |  |  |  |  |  |
Loss on disposal of discontinued operations, net of tax | $ 19,600 |  |  |  |  |  |  |
NDS Acquisition |  |  |  |  |  |  |  |
Quarterly Financial Information [Line Items] |  |  |  |  |  |  |  |
Impairment of goodwill and intangible assets |  |  |  |  |  |  | 41,400 |
Scientific Lasers Business |  |  |  |  |  |  |  |
Quarterly Financial Information [Line Items] |  |  |  |  |  |  |  |
Proceeds from the sale of business, net of transaction costs |  |  | $ 6,500 |  |  |  |  |
Loss on disposal of discontinued operations, net of tax |  |  |  |  |  |  | $ (1,700) |

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