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Goodwill and Other Intangible Assets - Weighted-Average Amortization Period by Major Class (Detail)	9 Months Ended
	Sep. 29, 2018
Finite-Lived Intangible Assets [Line Items]
Weighted-average amortization period (in years)	11 years
Customer relationships
Finite-Lived Intangible Assets [Line Items]
Weighted-average amortization period (in years)	15 years
Developed technology
Finite-Lived Intangible Assets [Line Items]
Weighted-average amortization period (in years)	3 years
Internally developed software
Finite-Lived Intangible Assets [Line Items]
Weighted-average amortization period (in years)	4 years
Patents
Finite-Lived Intangible Assets [Line Items]
Weighted-average amortization period (in years)	8 years
Trademarks
Finite-Lived Intangible Assets [Line Items]
Weighted-average amortization period (in years)	6 years
Other
Finite-Lived Intangible Assets [Line Items]
Weighted-average amortization period (in years)	39 years

X

- Definition

Useful life of finite-lived intangible assets, in 'PnYnMnDTnHnMnS' format, for example, 'P1Y5M13D' represents the reported fact of one year, five months, and thirteen days.

+ References

No definition available.

+ Details

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X

- 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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- Details

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- Details

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- Details

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- Details

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- Details

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