Derivative Instruments and Hedging Activities (Derivative Instrument Fair Value) (Detail) - USD ($) $ in Thousands	Sep. 24, 2017	Dec. 31, 2016	Sep. 25, 2016
Designated as Hedging Instrument \| Cash Flow Hedging
Derivatives, Fair Value [Line Items]
Notional Value	$ 747,651	$ 555,543	$ 616,405
Designated as Hedging Instrument \| Cash Flow Hedging \| Other Current Assets
Derivatives, Fair Value [Line Items]
Asset Fair Value	439	28,705	6,447
Designated as Hedging Instrument \| Cash Flow Hedging \| Accrued Liabilities
Derivatives, Fair Value [Line Items]
Liability Fair Value	32,414	142	1,193
Designated as Hedging Instrument \| Cash Flow Hedging \| Foreign Currency Contracts
Derivatives, Fair Value [Line Items]
Notional Value	746,378	554,551	615,251
Designated as Hedging Instrument \| Cash Flow Hedging \| Foreign Currency Contracts \| Other Current Assets
Derivatives, Fair Value [Line Items]
Asset Fair Value	439	28,528	6,337
Designated as Hedging Instrument \| Cash Flow Hedging \| Foreign Currency Contracts \| Accrued Liabilities
Derivatives, Fair Value [Line Items]
Liability Fair Value	32,352	142	1,193
Designated as Hedging Instrument \| Cash Flow Hedging \| Commodity Contract
Derivatives, Fair Value [Line Items]
Notional Value	1,273	992	1,154
Designated as Hedging Instrument \| Cash Flow Hedging \| Commodity Contract \| Other Current Assets
Derivatives, Fair Value [Line Items]
Asset Fair Value	0	177	110
Designated as Hedging Instrument \| Cash Flow Hedging \| Commodity Contract \| Accrued Liabilities
Derivatives, Fair Value [Line Items]
Liability Fair Value	62	0	0
Not Designated as Hedging Instrument
Derivatives, Fair Value [Line Items]
Notional Value	4,234	5,025	4,488
Not Designated as Hedging Instrument \| Other Current Assets
Derivatives, Fair Value [Line Items]
Asset Fair Value	285	329	159
Not Designated as Hedging Instrument \| Accrued Liabilities
Derivatives, Fair Value [Line Items]
Liability Fair Value	0	0	195
Not Designated as Hedging Instrument \| Commodity Contract
Derivatives, Fair Value [Line Items]
Notional Value	4,234	5,025	4,488
Not Designated as Hedging Instrument \| Commodity Contract \| Other Current Assets
Derivatives, Fair Value [Line Items]
Asset Fair Value	285	329	159
Not Designated as Hedging Instrument \| Commodity Contract \| Accrued Liabilities
Derivatives, Fair Value [Line Items]
Liability Fair Value	$ 0	$ 0	$ 195

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://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=84234895&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=82849420&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=82924980&loc=SL51823488-111719

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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://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=82924980&loc=SL51823488-111719

Reference 2: 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 3: 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=84234895&loc=SL5624163-113959

Reference 4: 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=82849420&loc=SL20226000-175313

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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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