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Facility Closures - Narrative (Details) - USD ($) $ in Thousands | 3 Months Ended | 6 Months Ended
--- | --- | ---
Jun. 30, 2018 | Jun. 30, 2017 | Mar. 31, 2017 | Jun. 30, 2018 | Jun. 30, 2017
Restructuring Cost and Reserve [Line Items] |  |  |  |  |
Loss on dispositions of assets |  |  |  | $ 70 | $ 3,030
Facility Closing Wolverhampton, United Kingdom [Member] |  |  |  |  |
Restructuring Cost and Reserve [Line Items] |  |  |  |  |
Loss on dispositions of assets |  |  | $ (3,200) |  |
Cost of Sales [Member] | Facility Closing Bangalore, India [Member] |  |  |  |  |
Restructuring Cost and Reserve [Line Items] |  |  |  |  |
Facility closure costs | $ 600 |  |  |  |
Cost of Sales [Member] | Facility Closing Reynosa, Mexico [Member] |  |  |  |  |
Restructuring Cost and Reserve [Line Items] |  |  |  |  |
Future Lease Obligation, Net of Sublease Income | (1,100) | $ 1,500 |  |  |
Restructuring and Related Cost, Accelerated Depreciation |  | $ 1,200 |  |  |
Selling, General and Administrative Expenses [Member] | Facility Closing Bangalore, India [Member] |  |  |  |  |
Restructuring Cost and Reserve [Line Items] |  |  |  |  |
Facility closure costs | $ 700 |  |  |  |
Selling, General and Administrative Expenses [Member] | Facility Closing Wolverhampton, United Kingdom [Member] |  |  |  |  |
Restructuring Cost and Reserve [Line Items] |  |  |  |  |
Gain (Loss) on Disposition of Business |  |  | $ (3,500) |  |

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