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Revenue - Narrative (Details) - USD ($) $ in Millions | 3 Months Ended | 9 Months Ended |
--- | --- | --- | ---
Sep. 27, 2020 | Sep. 29, 2019 | Sep. 27, 2020 | Sep. 29, 2019 | Dec. 29, 2019
Deferred Sales Commissions |  |  |  |  |
Revenue from Contract with Customer [Line Items] |  |  |  |  |
Capitalized contract cost | $ 1.0 |  | $ 1.0 |  | $ 1.5
Capitalized contract cost, amortization | 0.2 | $ 0.4 | 0.8 | $ 1.3 |
Deferred Fulfillment Costs |  |  |  |  |
Revenue from Contract with Customer [Line Items] |  |  |  |  |
Capitalized contract cost | 4.0 |  | 4.0 |  | $ 3.6
Capitalized contract cost, amortization | $ 5.3 | $ 3.8 | $ 14.9 | $ 10.3 |

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- Definition Amount of amortization expense for asset recognized from cost incurred to obtain or fulfill contract with customer. + References Reference 1: http://www.xbrl.org/2003/role/disclosureRef -Publisher FASB -Name Accounting Standards Codification -Topic 340 -SubTopic 40 -Section 50 -Paragraph 3 -Subparagraph (b) -URI http://asc.fasb.org/extlink&oid=68051541&loc=SL49131252-203054 + Details
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- Definition Amount, before accumulated amortization and accumulated impairment loss, of asset recognized from cost incurred to obtain or fulfill contract with customer. + References Reference 1: http://www.xbrl.org/2009/role/commonPracticeRef -Publisher FASB -Name Accounting Standards Codification -Topic 340 -SubTopic 40 -Section 50 -Paragraph 3 -Subparagraph (a) -URI http://asc.fasb.org/extlink&oid=68051541&loc=SL49131252-203054 + Details
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