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Long-Term Assets - Property, Plant and Equipment Additional Information (Detail) - USD ($) $ in Millions	3 Months Ended		6 Months Ended
	Jun. 30, 2018	Jul. 01, 2017	Jun. 30, 2018	Jul. 01, 2017
Property, Plant and Equipment [Line Items]
Depreciation expense	$ 108.7	$ 93.1	$ 215.8	$ 179.9
Restructuring charges			28.4
Asset impairment charges
Property, Plant and Equipment [Line Items]
Restructuring charges			$ 1.6	$ 0.4

X

- 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

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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.

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- Definition

Amount of expenses associated with exit or disposal activities pursuant to an authorized plan. Excludes expenses related to a discontinued operation or an asset retirement obligation.

+ References

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