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Forward and Option Purchase Contracts Outstanding (Details) In Thousands, unless otherwise specified | 9 Months Ended |  | 9 Months Ended |  | 9 Months Ended |  | 9 Months Ended
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Sep. 29, 2012 Currency, British Pound Sterling Derivative Instrument 2 GBP (£) | Sep. 29, 2012 Currency, British Pound Sterling Derivative Instrument 3 GBP (£) | Sep. 29, 2012 Currency, Canadian Dollar | Sep. 29, 2012 Currency, Canadian Dollar Derivative Instrument 3 CAD | Sep. 29, 2012 Currency, Euro | Sep. 29, 2012 Currency, Euro Derivative Instrument 2 EUR (€) | Sep. 29, 2012 Currency, Euro Derivative Instrument 3 EUR (€) | Sep. 29, 2012 Currency, Mexican Peso | Sep. 29, 2012 Currency, Mexican Peso Derivative Instrument 4 MXN | Sep. 29, 2012 Currency, U.S. Dollar Derivative Instrument 1 USD ($) | Sep. 29, 2012 Currency, U.S. Dollar Derivative Instrument 2 USD ($) | Sep. 29, 2012 Currency, U.S. Dollar Derivative Instrument 3 USD ($) | Sep. 29, 2012 Currency, U.S. Dollar Derivative Instrument 4 USD ($) | Sep. 29, 2012 Currency, U.S. Dollar Derivative Instrument 6 [Member] USD ($) | Sep. 29, 2012 Currency, U.S. Dollar Derivative Instrument 5 [Member] [Member] USD ($) | Sep. 29, 2012 Currency, Danish Krones [Member] Derivative Instrument 6 [Member] EUR (€) | Sep. 29, 2012 Currency, Australian Dollar [Member] Derivative Instrument 5 [Member] [Member] EUR (€)
Derivative [Line Items] |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Forward contracts to purchase |  |  |  |  |  | € 31,456,000 |  |  |  | $ 15,346,000 | $ 1,829,000 | $ 36,160,000 | $ 3,462,000 | $ 1,903,000 | $ 516,000 |  |
Forward contracts to sell | £ 25,000,000 | £ 9,500,000 |  | 1,800,000 |  |  | € 28,000,000 |  | 45,000,000 |  |  |  |  |  |  | € 11,000,000 | € 500,000
Maturity | Dec. 28, 2012 | Dec. 28, 2012 | Dec. 28, 2012 |  | Dec. 28, 2012 | Dec. 28, 2012 |  | Dec. 28, 2012 |  | Dec. 28, 2012 | Dec. 28, 2012 | Dec. 28, 2012 | Dec. 28, 2012 | Dec. 28, 2012 | Dec. 28, 2012 | Dec. 28, 2012 | Dec. 28, 2012

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- Definition Aggregate notional amount of foreign currency derivatives to purchase a foreign currency. Notional amount refers to the number of currency units specified in the foreign currency derivative contract. + References Reference 1: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 815 -SubTopic 10 -Section 50 -Paragraph 1B -URI http://asc.fasb.org/extlink&oid=6935481&loc=SL5580258-113959 Reference 2: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Glossary Notional Amount -URI http://asc.fasb.org/extlink&oid=6519104 Reference 3: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 815 -SubTopic 10 -Section 50 -Paragraph 1A -Subparagraph (d) -URI http://asc.fasb.org/extlink&oid=6935481&loc=SL5579245-113959 + Details
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- Definition Aggregate notional amount of foreign currency derivatives to sell a foreign currency. Notional amount refers to the number of currency units specified in the foreign currency derivative contract. + References Reference 1: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 815 -SubTopic 10 -Section 50 -Paragraph 1B -URI http://asc.fasb.org/extlink&oid=6935481&loc=SL5580258-113959 Reference 2: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Glossary Notional Amount -URI http://asc.fasb.org/extlink&oid=6519104 Reference 3: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 815 -SubTopic 10 -Section 50 -Paragraph 1A -Subparagraph (d) -URI http://asc.fasb.org/extlink&oid=6935481&loc=SL5579245-113959 + Details
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