Derivative Instruments and Hedging Activities (Derivative Instrument Fair Value) (Detail) - USD ($) $ in Thousands	Mar. 31, 2019	Dec. 31, 2018	Apr. 01, 2018
Designated as Hedging Instrument \| Cash Flow Hedging
Derivatives, Fair Value
Notional Value	$ 1,381,526	$ 1,343,803	$ 721,597
Designated as Hedging Instrument \| Cash Flow Hedging \| Other Current Assets
Derivatives, Fair Value
Other Current Assets	15,576	15,071	3,442
Designated as Hedging Instrument \| Cash Flow Hedging \| Accrued Liabilities
Derivatives, Fair Value
Accrued Liabil-ities	7,545	4,853	22,818
Designated as Hedging Instrument \| Cash Flow Hedging \| Foreign currency contracts
Derivatives, Fair Value
Notional Value	480,937	442,976	720,869
Designated as Hedging Instrument \| Cash Flow Hedging \| Foreign currency contracts \| Other Current Assets
Derivatives, Fair Value
Other Current Assets	15,576	15,071	3,442
Designated as Hedging Instrument \| Cash Flow Hedging \| Foreign currency contracts \| Accrued Liabilities
Derivatives, Fair Value
Accrued Liabil-ities	646	313	22,807
Designated as Hedging Instrument \| Cash Flow Hedging \| Commodity contracts
Derivatives, Fair Value
Notional Value	589	827	728
Designated as Hedging Instrument \| Cash Flow Hedging \| Commodity contracts \| Other Current Assets
Derivatives, Fair Value
Other Current Assets	0	0	0
Designated as Hedging Instrument \| Cash Flow Hedging \| Commodity contracts \| Accrued Liabilities
Derivatives, Fair Value
Accrued Liabil-ities	6	46	11
Designated as Hedging Instrument \| Cash Flow Hedging \| Treasury Rate Locks
Derivatives, Fair Value
Notional Value	900,000	900,000	0
Designated as Hedging Instrument \| Cash Flow Hedging \| Treasury Rate Locks \| Other Current Assets
Derivatives, Fair Value
Other Current Assets	0	0	0
Designated as Hedging Instrument \| Cash Flow Hedging \| Treasury Rate Locks \| Accrued Liabilities
Derivatives, Fair Value
Accrued Liabil-ities	6,893	4,494	0
Not Designated as Hedging Instrument
Derivatives, Fair Value
Notional Value	164,903	5,239	4,577
Not Designated as Hedging Instrument \| Other Current Assets
Derivatives, Fair Value
Other Current Assets	507	0	171
Not Designated as Hedging Instrument \| Accrued Liabilities
Derivatives, Fair Value
Accrued Liabil-ities	188	463	32
Not Designated as Hedging Instrument \| Foreign currency contracts
Derivatives, Fair Value
Notional Value	157,678	0	0
Not Designated as Hedging Instrument \| Foreign currency contracts \| Other Current Assets
Derivatives, Fair Value
Other Current Assets	413	0	0
Not Designated as Hedging Instrument \| Foreign currency contracts \| Accrued Liabilities
Derivatives, Fair Value
Accrued Liabil-ities	69	0	0
Not Designated as Hedging Instrument \| Commodity contracts
Derivatives, Fair Value
Notional Value	7,225	5,239	4,577
Not Designated as Hedging Instrument \| Commodity contracts \| Other Current Assets
Derivatives, Fair Value
Other Current Assets	94	0	171
Not Designated as Hedging Instrument \| Commodity contracts \| Accrued Liabilities
Derivatives, Fair Value
Accrued Liabil-ities	$ 119	$ 463	$ 32

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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- Definition

Fair value, before effects of master netting arrangements, of a financial asset or other contract with one or more underlyings, notional amount or payment provision or both, and the contract can be net settled by means outside the contract or delivery of an asset. Includes assets elected not to be offset. Excludes assets not subject to a master netting arrangement.

+ References

Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 210
-SubTopic 20
-Section 55
-Paragraph 7
-URI http://asc.fasb.org/extlink&oid=99393222&loc=SL20226000-175313

Reference 2: http://fasb.org/us-gaap/role/ref/legacyRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 860
-SubTopic 20
-Section 50
-Paragraph 4D
-Subparagraph (c)(2)
-URI http://asc.fasb.org/extlink&oid=109247956&loc=SL51823488-111719

Reference 3: http://fasb.org/us-gaap/role/ref/legacyRef
-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 4: http://fasb.org/us-gaap/role/ref/legacyRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 815
-SubTopic 10
-Section 50
-Paragraph 4B
-Subparagraph (a),(c)
-URI http://asc.fasb.org/extlink&oid=109980867&loc=SL5624163-113959

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- Definition

Fair value, before effects of master netting arrangements, of a financial liability or contract with one or more underlyings, notional amount or payment provision or both, and the contract can be net settled by means outside the contract or delivery of an asset. Includes liabilities elected not to be offset. Excludes liabilities not subject to a master netting arrangement.

+ References

Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 860
-SubTopic 20
-Section 50
-Paragraph 4D
-Subparagraph (c)(2)
-URI http://asc.fasb.org/extlink&oid=109247956&loc=SL51823488-111719

Reference 2: http://fasb.org/us-gaap/role/ref/legacyRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 815
-SubTopic 10
-Section 50
-Paragraph 4B
-Subparagraph (a),(c)
-URI http://asc.fasb.org/extlink&oid=109980867&loc=SL5624163-113959

Reference 3: http://fasb.org/us-gaap/role/ref/legacyRef
-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 4: http://fasb.org/us-gaap/role/ref/legacyRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 210
-SubTopic 20
-Section 55
-Paragraph 7
-URI http://asc.fasb.org/extlink&oid=99393222&loc=SL20226000-175313

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- Definition

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+ References

No definition available.

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