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Commitments and Contingencies - Narrative (Details) - USD ($) $ in Thousands | 12 Months Ended
--- | ---
Dec. 31, 2016 | Dec. 31, 2015 | Dec. 31, 2014
Other Commitments [Line Items] |  |  |
Rent expense | $ 11,400 | $ 10,700 | $ 8,100
Proceeds from sale-leaseback transactions | 0 | $ 2,017 | 5,521
Term of lease |  | 7 years |
Deferred credits | 2,500 | $ 2,700 |
Property, plant, and equipment grants from Ireland | 170 | $ 171 | $ 175
Irish grants refundable if operations discontinued | $ 3,700 |  |
Remaining grant liability period | 2 years |  |
Minimum |  |  |
Other Commitments [Line Items] |  |  |
Grant period | 5 years |  |
Maximum |  |  |
Other Commitments [Line Items] |  |  |
Grant period | 8 years |  |

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- Definition Term of the lessee's leasing arrangement, in 'PnYnMnDTnHnMnS' format, for example, 'P1Y5M13D' represents the reported fact of one year, five months, and thirteen days. + References No definition available. + Details
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- Definition Amount of cash inflow before closing and debt issuance costs received by a seller-lessee in a sale-leaseback recognized in investing activities. + References Reference 1: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 840 -SubTopic 40 -Section 55 -Paragraph 52 -URI http://asc.fasb.org/extlink&oid=28365400&loc=d3e51843-112757 Reference 2: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 840 -SubTopic 40 -Section 55 -Paragraph 50 -URI http://asc.fasb.org/extlink&oid=28365400&loc=d3e51831-112757 Reference 3: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 840 -SubTopic 40 -Section 55 -Paragraph 51 -URI http://asc.fasb.org/extlink&oid=28365400&loc=d3e51840-112757 + Details
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