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Goodwill and Other Intangible Assets - Narrative (Detail) - USD ($) | 3 Months Ended |
--- | --- | ---
Mar. 28, 2020 | Mar. 30, 2019 | Dec. 28, 2019
Acquired Finite And Indefinite Lived Intangible Assets [Line Items] |  |  |
Goodwill | $ 898,200,000 |  | $ 913,800,000
Accumulated impairment losses | $ 0 |  |
Weighted-average amortization period (in years) | 11 years |  |
Aggregate amortization expense | $ 5,700,000 | $ 5,400,000 |
Estimated annual amortization expense for fiscal period 2020 | 21,600,000 |  |
Estimated annual amortization expense for fiscal period 2021 | 19,000,000.0 |  |
Estimated annual amortization expense for fiscal period 2022 | 15,900,000 |  |
Estimated annual amortization expense for fiscal period 2023 | 13,400,000 |  |
Estimated annual amortization expense for fiscal period 2024 | 10,600,000 |  |
Estimated annual amortization expense for fiscal period 2025 | 6,300,000 |  |
Sigmavision |  |  |
Acquired Finite And Indefinite Lived Intangible Assets [Line Items] |  |  |
Goodwill | 5,500,000 |  |
Cognitran Limited |  |  |
Acquired Finite And Indefinite Lived Intangible Assets [Line Items] |  |  |
Goodwill | $ 11,600,000 |  |
Customer relationships |  |  |
Acquired Finite And Indefinite Lived Intangible Assets [Line Items] |  |  |
Weighted-average amortization period (in years) | 15 years |  |
Customer relationship contractual term, minimum (in years) | 3 years |  |
Customer relationship contractual term, maximum (in years) | 5 years |  |
Repair Systems & Information Group |  |  |
Acquired Finite And Indefinite Lived Intangible Assets [Line Items] |  |  |
Goodwill | $ 611,000,000.0 |  | $ 615,100,000
Repair Systems & Information Group | Sigmavision |  |  |
Acquired Finite And Indefinite Lived Intangible Assets [Line Items] |  |  |
Goodwill | 5,500,000 |  |
Repair Systems & Information Group | Cognitran Limited |  |  |
Acquired Finite And Indefinite Lived Intangible Assets [Line Items] |  |  |
Goodwill | $ 11,600,000 |  |

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- Definition The aggregate expense charged against earnings to allocate the cost of intangible assets (nonphysical assets not used in production) in a systematic and rational manner to the periods expected to benefit from such assets. As a noncash expense, this element is added back to net income when calculating cash provided by or used in operations using the indirect method. + References Reference 1: 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=118932676&loc=d3e3602-108585 Reference 2: http://fasb.org/us-gaap/role/ref/legacyRef -Publisher FASB -Name Accounting Standards Codification -Topic 350 -SubTopic 30 -Section 50 -Paragraph 2 -Subparagraph (a)(2) -URI http://asc.fasb.org/extlink&oid=66006027&loc=d3e16323-109275 Reference 3: http://fasb.org/us-gaap/role/ref/legacyRef -Publisher FASB -Name Accounting Standards Codification -Topic 350 -SubTopic 30 -Section 45 -Paragraph 2 -URI http://asc.fasb.org/extlink&oid=6388964&loc=d3e16225-109274 + Details
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