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Nature of Business and Basis of Presentation - Textual (Details) - USD ($) $ in Thousands | 3 Months Ended | 9 Months Ended |
--- | --- | --- | ---
Sep. 26, 2015 | Sep. 27, 2014 | Sep. 26, 2015 | Sep. 27, 2014 | Dec. 27, 2014
Accounting Policies [Line Items] |  |  |  |  |
Increase in revenue | $ 45,678 | $ 27,133 | $ 144,682 | $ 126,738 |
Increase in accounts receivable, net | 37,573 |  | $ 37,573 |  | $ 26,121
Fiscal year/fiscal quarter duration |  |  | 91 days | 91 days |
Maximum period of delivery to customers |  |  | 6 months |  |
Maximum period services are provided over the fixed arrangement term |  |  | 12 months |  |
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 |  |
Prior Period Adjustment [Member] | Restatement Adjustment [Member] |  |  |  |  |
Accounting Policies [Line Items] |  |  |  |  |
Increase in revenue | 300 |  |  |  |
Increase in accounts receivable, net | $ 300 |  | $ 300 |  |

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- Definition Amount due from customers or clients, within one year of the balance sheet date (or the normal operating cycle, whichever is longer), for goods or services (including trade receivables) that have been delivered or sold in the normal course of business, reduced to the estimated net realizable fair value by an allowance established by the entity of the amount it deems uncertain of collection. + References Reference 1: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 210 -SubTopic 10 -Section S99 -Paragraph 1 -Subparagraph (SX 210.5-02.3-4) -URI http://asc.fasb.org/extlink&oid=6877327&loc=d3e13212-122682 Reference 2: http://www.xbrl.org/2003/role/presentationRef -Publisher SEC -Name Regulation S-X (SX) -Number 210 -Section 02 -Paragraph 3 -Subparagraph a(1) -Article 5 Reference 3: http://www.xbrl.org/2003/role/presentationRef -Publisher SEC -Name Regulation S-X (SX) -Number 210 -Section 02 -Paragraph 4 -Article 5 + Details
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