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Goodwill and Other Intangible Assets - Additional Information (Detail) - USD ($) | 3 Months Ended | 6 Months Ended |
--- | --- | --- | ---
Jun. 30, 2018 | Jul. 01, 2017 | Jun. 30, 2018 | Jul. 01, 2017 | Dec. 30, 2017
Acquired Finite And Indefinite Lived Intangible Assets [Line Items] |  |  |  |  |
Goodwill | $ 911,000,000 |  | $ 911,000,000 |  | $ 924,100,000
Goodwill impairment | 0 |  |  |  |
Accumulated impairment losses | 0 |  | $ 0 |  |
Weighted-average amortization period (in years) |  |  | 11 years |  |
Aggregate amortization expense | 6,400,000 | $ 6,500,000 | $ 13,000,000 | $ 13,600,000 |
Estimated annual amortization expense for fiscal period 2018 | 25,400,000 |  | 25,400,000 |  |
Estimated annual amortization expense for fiscal period 2019 | 22,800,000 |  | 22,800,000 |  |
Estimated annual amortization expense for fiscal period 2020 | 18,600,000 |  | 18,600,000 |  |
Estimated annual amortization expense for fiscal period 2021 | 15,700,000 |  | 15,700,000 |  |
Estimated annual amortization expense for fiscal period 2022 | 14,300,000 |  | 14,300,000 |  |
Estimated annual amortization expense for fiscal period 2023 | 12,400,000 |  | $ 12,400,000 |  |
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 |  |
Norbar |  |  |  |  |
Acquired Finite And Indefinite Lived Intangible Assets [Line Items] |  |  |  |  |
Goodwill | 25,100,000 |  | $ 25,100,000 |  |
Fastorq |  |  |  |  |
Acquired Finite And Indefinite Lived Intangible Assets [Line Items] |  |  |  |  |
Goodwill | 2,600,000 |  | 2,600,000 |  |
TCS |  |  |  |  |
Acquired Finite And Indefinite Lived Intangible Assets [Line Items] |  |  |  |  |
Goodwill | $ 2,000,000 |  | $ 2,000,000 |  |

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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://www.xbrl.org/2003/role/presentationRef -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 Reference 2: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 230 -SubTopic 10 -Section 45 -Paragraph 28 -Subparagraph (b) -URI http://asc.fasb.org/extlink&oid=98514028&loc=d3e3602-108585 Reference 3: http://www.xbrl.org/2003/role/presentationRef -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 + Details
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- Definition Amount of amortization expense for assets, excluding financial assets and goodwill, lacking physical substance with a finite life expected to be recognized in the fifth rolling twelve months following the latest balance sheet. For interim and annual periods when interim periods are reported on a rolling approach, from latest balance sheet date. + References No definition available. + Details
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