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Derivative Financial Instruments, Notional Amounts and Fair Values of Foreign Currency Forward Contracts Designated as Cash Flow Hedging Instruments (Details) - Cash Flow Hedging [Member] - Designated as Hedging Instrument [Member] - USD ($) $ in Thousands | Jul. 02, 2017 | Dec. 25, 2016 | Jun. 26, 2016
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Foreign Exchange Forward [Member] |  |  |
Derivative [Line Items] |  |  |
Notional amount of derivative | $ 1,870,058 | $ 1,434,758 | $ 1,779,982
Fair value of hedged item | 5,943 | 71,928 | 49,096
Inventory Purchases [Member] |  |  |
Derivative [Line Items] |  |  |
Notional amount of derivative | 942,896 | 945,728 | 1,301,560
Fair value of hedged item | 259 | 60,520 | 54,698
Sales [Member] |  |  |
Derivative [Line Items] |  |  |
Notional amount of derivative | 618,755 | 290,181 | 218,459
Fair value of hedged item | 15,229 | 9,775 | (2,792)
Royalties and Other [Member] |  |  |
Derivative [Line Items] |  |  |
Notional amount of derivative | 308,407 | 198,849 | 259,963
Fair value of hedged item | $ (9,545) | $ 1,633 | $ (2,810)

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- Definition Aggregate notional amount specified by the derivative(s). Expressed as an absolute value. + References 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 + Details
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- Definition Fair value of the assets less the liabilities of a derivative or group of derivatives. + References Reference 1: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 815 -SubTopic 10 -Section 45 -Paragraph 6 -URI http://asc.fasb.org/extlink&oid=6945355&loc=d3e41271-113958 Reference 2: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 815 -SubTopic 10 -Section 45 -Paragraph 5 -URI http://asc.fasb.org/extlink&oid=6945355&loc=d3e41228-113958 Reference 3: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 825 -SubTopic 10 -Section 50 -Paragraph 10 -Subparagraph (a) -URI http://asc.fasb.org/extlink&oid=73719730&loc=d3e13433-108611 Reference 4: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 825 -SubTopic 10 -Section 50 -Paragraph 15 -URI http://asc.fasb.org/extlink&oid=73719730&loc=d3e13495-108611 + Details
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