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Nature of Business and Basis of Presentation - Textual (Details) - USD ($) $ in Thousands | 3 Months Ended
--- | ---
Mar. 26, 2016 | Mar. 28, 2015
Accounting Policies [Line Items] |  |
Fiscal year/fiscal quarter duration | 91 days | 91 days
Products | $ 39,214 | $ 38,339
Cost of products | $ 18,079 | 19,992
Maximum period of delivery to customers | 6 months |
Maximum period services are provided over the fixed arrangement term | 12 months |
Reclassification [Member] |  |
Accounting Policies [Line Items] |  |
Products |  | 4,600
Cost of products |  | $ 1,800
Minimum [Member] |  |
Accounting Policies [Line Items] |  |
Fiscal year/fiscal quarter duration | 364 days |
Maximum [Member] |  |
Accounting Policies [Line Items] |  |
Fiscal year/fiscal quarter duration | 371 days |

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- Definition Total costs related to goods produced and sold during the reporting period. + References Reference 1: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 225 -SubTopic 10 -Section S99 -Paragraph 2 -Subparagraph (SX 210.5-03.2(a)) -URI http://asc.fasb.org/extlink&oid=26872669&loc=d3e20235-122688 + Details
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