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Summary of Significant Accounting Policies - Property, Plant and Equipment (Details) - USD ($) $ in Millions | 12 Months Ended
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Jan. 02, 2021 | Dec. 28, 2019 | Dec. 29, 2018
Property, Plant and Equipment [Line Items] |  |  |
Capitalized Computer Software, Additions | $ 0.9 | $ 2.4 | $ 3.6
Depreciation | $ 67.6 | $ 63.3 | $ 60.4
Leasehold improvements [Member] |  |  |
Property, Plant and Equipment [Line Items] |  |  |
Property, plant and equipment, estimated useful lives description | Shorter of the lease term or the estimated useful life |  |
Minimum [Member] | Computer equipment and related software [Member] |  |  |
Property, Plant and Equipment [Line Items] |  |  |
Property, plant and equipment, estimated useful lives description | 2 |  |
Minimum [Member] | Buildings [Member] |  |  |
Property, Plant and Equipment [Line Items] |  |  |
Property, plant and equipment, estimated useful lives description | 25 |  |
Minimum [Member] | Furniture and fixtures [Member] |  |  |
Property, Plant and Equipment [Line Items] |  |  |
Property, plant and equipment, estimated useful lives description | 3 |  |
Minimum [Member] | Equipment [Member] |  |  |
Property, Plant and Equipment [Line Items] |  |  |
Property, plant and equipment, estimated useful lives description | 3 |  |
Maximum [Member] | Computer equipment and related software [Member] |  |  |
Property, Plant and Equipment [Line Items] |  |  |
Property, plant and equipment, estimated useful lives description | 7 |  |
Maximum [Member] | Buildings [Member] |  |  |
Property, Plant and Equipment [Line Items] |  |  |
Property, plant and equipment, estimated useful lives description | 32 |  |
Maximum [Member] | Building improvements and land improvements [Member] |  |  |
Property, Plant and Equipment [Line Items] |  |  |
Property, plant and equipment, estimated useful lives description | 32 |  |
Maximum [Member] | Furniture and fixtures [Member] |  |  |
Property, Plant and Equipment [Line Items] |  |  |
Property, plant and equipment, estimated useful lives description | 5 |  |
Maximum [Member] | Equipment [Member] |  |  |
Property, Plant and Equipment [Line Items] |  |  |
Property, plant and equipment, estimated useful lives description | 5 |  |

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- Definition Additions made to capitalized computer software costs during the period. + References Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef -Publisher FASB -Name Accounting Standards Codification -Topic 350 -SubTopic 30 -Section 50 -Paragraph 1 -Subparagraph (a) -URI http://asc.fasb.org/extlink&oid=66006027&loc=d3e16265-109275 + Details
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- Definition The amount of expense recognized in the current period that reflects the allocation of the cost of tangible assets over the assets' useful lives. Includes production and non-production related depreciation. + References Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef -Publisher FASB -Name Accounting Standards Codification -Topic 360 -SubTopic 10 -Section 50 -Paragraph 1 -Subparagraph (a) -URI http://asc.fasb.org/extlink&oid=6391035&loc=d3e2868-110229 Reference 2: http://fasb.org/us-gaap/role/ref/legacyRef -Publisher FASB -Name Accounting Standards Codification -Topic 230 -SubTopic 10 -Section 45 -Paragraph 28 -Subparagraph (b) -URI http://asc.fasb.org/extlink&oid=121586364&loc=d3e3602-108585 + Details
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- Definition Describes the periods of time over which an entity anticipates to receive utility from its property, plant and equipment (that is, the periods of time over which an entity allocates the initial cost of its property, plant and equipment). + References Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef -Publisher FASB -Name Accounting Standards Codification -Topic 360 -SubTopic 10 -Section 35 -Paragraph 4 -URI http://asc.fasb.org/extlink&oid=68071081&loc=d3e1205-110223 Reference 2: http://fasb.org/us-gaap/role/ref/legacyRef -Publisher FASB -Name Accounting Standards Codification -Topic 235 -SubTopic 10 -Section 50 -Paragraph 3 -URI http://asc.fasb.org/extlink&oid=84158767&loc=d3e18780-107790 + Details
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- Definition Line items represent financial concepts included in a table. These concepts are used to disclose reportable information associated with domain members defined in one or many axes to the table. + References No definition available. + Details
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