Summary of Restructuring Reserve Activity (Detail) (USD $) In Millions, unless otherwise specified	3 Months Ended
Apr. 04, 2015	Mar. 29, 2014
Restructuring Cost and Reserve [Line Items]
Reserve, Beginning Balance	$ 97.6us-gaap_RestructuringReserve
Restructuring charges	24.9us-gaap_RestructuringCharges	(3.7)us-gaap_RestructuringCharges
Usage	(20.5)us-gaap_PaymentsForRestructuring
Currency	(5.0)
Reserve, Ending Balance	97.0us-gaap_RestructuringReserve
Severance and related costs
Restructuring Cost and Reserve [Line Items]
Reserve, Beginning Balance	81.2
Restructuring charges	22.0
Usage	(17.7)
Currency	(4.7)
Reserve, Ending Balance	80.8
Facility closures
Restructuring Cost and Reserve [Line Items]
Reserve, Beginning Balance	16.4
Restructuring charges	2.9
Usage	(2.8)
Currency	(0.3)
Reserve, Ending Balance	$ 16.2

Amount of cash payments made as the result of exit or disposal activities. Excludes payments associated with a discontinued operation or an asset retirement obligation.

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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

Reference 1: http://www.xbrl.org/2003/role/presentationRef

-Publisher FASB

-Name Accounting Standards Codification

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-Publisher SEC

-Name Staff Accounting Bulletin (SAB)

-Number Topic 5

-Section P

-Subsection 3, 4

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Carrying amount (including both current and noncurrent portions of the accrual) as of the balance sheet date pertaining to a specified type of cost associated with exit from or disposal of business activities or restructuring pursuant to a duly authorized plan.

+ References

Reference 1: http://www.xbrl.org/2003/role/presentationRef

-Publisher FASB

-Name Accounting Standards Codification

-Topic 420

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- Definition

Amount of gain (loss) from translating a restructuring reserve to the currency of the reporting entity from an amount denominated or measured in a different currency.

+ References

Reference 1: http://www.xbrl.org/2003/role/presentationRef

-Publisher SEC

-Name Staff Accounting Bulletin (SAB)

-Number Topic 5

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