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Business Acquisitions - Celsis, Additional Information (Details) - Celsis - USD ($) $ in Thousands |  | 3 Months Ended | 6 Months Ended
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Jul. 24, 2015 | Jun. 25, 2016 | Jun. 27, 2015 | Jun. 25, 2016 | Jun. 27, 2015
Business Acquisition [Line Items] |  |  |  |  |
Purchase price | $ 214,500 |  |  |  |
Assumed liabilities | 10,300 |  |  |  |
Total purchase price allocation | 212,236 |  |  |  |
Cash acquired | $ 2,300 |  |  |  |
Integration related costs and transaction costs |  | $ 600 | $ 3,500 | $ 900 | $ 3,500

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- Definition Amount of consideration transferred, consisting of acquisition-date fair value of assets transferred by the acquirer, liabilities incurred by the acquirer, and equity interest issued by the acquirer. + References Reference 1: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 805 -SubTopic 30 -Section 30 -Paragraph 7 -URI http://asc.fasb.org/extlink&oid=6911251&loc=d3e6578-128477 Reference 2: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 805 -SubTopic 30 -Section 50 -Paragraph 1 -Subparagraph (b) -URI http://asc.fasb.org/extlink&oid=35744584&loc=d3e6927-128479 Reference 3: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 805 -SubTopic 30 -Section 30 -Paragraph 8 -URI http://asc.fasb.org/extlink&oid=6911251&loc=d3e6613-128477 + Details
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