Summary of Fair Value of Derivatives (Detail) - USD ($) $ in Millions	Apr. 01, 2017	Dec. 31, 2016
Net Investment Hedging [Member] \| Foreign Exchange Contracts
Derivatives, Fair Value [Line Items]
Notional Amount of Interest Rate Derivatives	$ 732.0
Designated as Hedging Instruments
Derivatives, Fair Value [Line Items]
Fair value of asset derivatives	29.3	$ 81.7
Fair value of liability derivatives	1,028.3	51.2
Designated as Hedging Instruments \| Cash Flow Hedges \| Interest Rate Contracts \| LT other assets
Derivatives, Fair Value [Line Items]
Fair value of asset derivatives	0.0	0.0
Designated as Hedging Instruments \| Cash Flow Hedges \| Interest Rate Contracts \| LT other liabilities
Derivatives, Fair Value [Line Items]
Fair value of liability derivatives	43.4	47.3
Designated as Hedging Instruments \| Cash Flow Hedges \| Foreign Exchange Contracts \| Other current assets
Derivatives, Fair Value [Line Items]
Fair value of asset derivatives	22.4	37.6
Designated as Hedging Instruments \| Cash Flow Hedges \| Foreign Exchange Contracts \| LT other assets
Derivatives, Fair Value [Line Items]
Fair value of asset derivatives	0.7	0.0
Designated as Hedging Instruments \| Cash Flow Hedges \| Foreign Exchange Contracts \| Accrued expenses
Derivatives, Fair Value [Line Items]
Fair value of liability derivatives	1.9	1.6
Designated as Hedging Instruments \| Cash Flow Hedges \| Foreign Exchange Contracts \| LT other liabilities
Derivatives, Fair Value [Line Items]
Fair value of liability derivatives	0.0	0.0
Designated as Hedging Instruments \| Net Investment Hedging [Member] \| Other current assets
Derivatives, Fair Value [Line Items]
Fair value of asset derivatives	6.2	44.1
Designated as Hedging Instruments \| Net Investment Hedging [Member] \| LT other assets
Derivatives, Fair Value [Line Items]
Fair value of asset derivatives		0.0
Designated as Hedging Instruments \| Net Investment Hedging [Member] \| Accrued expenses
Derivatives, Fair Value [Line Items]
Fair value of liability derivatives	10.7	1.8
Designated as Hedging Instruments \| Net Investment Hedging [Member] \| LT other liabilities
Derivatives, Fair Value [Line Items]
Fair value of asset derivatives	0.0
Fair value of liability derivatives	10.6	0.5
Designated as Hedging Instruments \| Net Investment Hedging [Member] \| Short-term Debt [Member]
Derivatives, Fair Value [Line Items]
Hedging Liabilities, Current	961.7	0.0
Not Designated as Hedging Instrument
Derivatives, Fair Value [Line Items]
Fair value of asset derivatives	10.6	28.5
Fair value of liability derivatives	3.2	46.4
Not Designated as Hedging Instrument \| Foreign Exchange Contracts \| Other current assets
Derivatives, Fair Value [Line Items]
Fair value of asset derivatives	10.6	28.5
Not Designated as Hedging Instrument \| Foreign Exchange Contracts \| Accrued expenses
Derivatives, Fair Value [Line Items]
Fair value of liability derivatives	$ 3.2	$ 46.4

Aggregate notional amount specified by the derivative(s). Expressed as an absolute value.

Reference 1: http://www.xbrl.org/2003/role/presentationRef
-Publisher SEC
-Name Regulation S-X (SX)
-Number 210
-Article 12
-Section 13
-Sentence Column B

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+ References

Reference 1: http://www.xbrl.org/2003/role/presentationRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 210
-SubTopic 20
-Section 50
-Paragraph 3
-Subparagraph (a)
-URI http://asc.fasb.org/extlink&oid=51824906&loc=SL20225862-175312

Reference 2: http://www.xbrl.org/2003/role/presentationRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 815
-SubTopic 10
-Section 50
-Paragraph 4B
-Subparagraph (a),(c)
-URI http://asc.fasb.org/extlink&oid=64837297&loc=SL5624163-113959

Reference 3: http://www.xbrl.org/2003/role/presentationRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 210
-SubTopic 20
-Section 55
-Paragraph 7
-URI http://asc.fasb.org/extlink&oid=51825145&loc=SL20226000-175313

Reference 4: http://www.xbrl.org/2003/role/presentationRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 860
-SubTopic 20
-Section 50
-Paragraph 4D
-Subparagraph (c)(2)
-URI http://asc.fasb.org/extlink&oid=64830801&loc=SL51823488-111719

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+ References

Reference 1: http://www.xbrl.org/2003/role/presentationRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 860
-SubTopic 20
-Section 50
-Paragraph 4D
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-URI http://asc.fasb.org/extlink&oid=64830801&loc=SL51823488-111719

Reference 2: http://www.xbrl.org/2003/role/presentationRef
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-URI http://asc.fasb.org/extlink&oid=51824906&loc=SL20225862-175312

Reference 3: http://www.xbrl.org/2003/role/presentationRef
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Reference 4: http://www.xbrl.org/2003/role/presentationRef
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Carrying amount as of the balance sheet date of the liability arising from a financial instrument or a contract used to mitigate a specified risk (hedge), and which are expected to be converted into cash or otherwise disposed of within a year or the normal operating cycle, if longer.

+ References

Reference 1: http://www.xbrl.org/2003/role/presentationRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 210
-SubTopic 10
-Section S99
-Paragraph 1
-Subparagraph (SX 210.5-02.20)
-URI http://asc.fasb.org/extlink&oid=6877327&loc=d3e13212-122682

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