Derivatives and Hedging Activities Derivatives and Hedging Activities - Outstanding Designated Forward Contracts (Details 1) In Thousands, unless otherwise specified		6 Months Ended
Jun. 29, 2014 Cash Flow Hedge Buy [Member] USD ($)	Jun. 29, 2014 Cash Flow Hedge Sell [Member] USD ($)	Jun. 29, 2014 Realized within twelve months [Member] Foreign Exchange Contract [Member] USD ($)	Jun. 29, 2014 Realized within twelve months [Member] Foreign Exchange Contract [Member] JPY (¥)
Derivatives and Hedging Activities
Unrealized Gain (Loss) on Foreign Currency Derivatives, Net, before Tax			$ (5,932)
Cash Flow Hedge
Notional amount of cash flow hedge transactions	$ 127,500	$ 91,700	$ 481,350	¥ 48,800,000

Amount of net unrealized gain (loss) related to the change in fair value of foreign currency exchange rate derivatives designated as cash flow hedging instruments. Recorded in accumulated other comprehensive income to the extent that the cash flow hedge is determined to be effective.

Reference 1: http://www.xbrl.org/2003/role/presentationRef

-Publisher FASB

-Name Accounting Standards Codification

-Topic 815

-SubTopic 10

-Section 50

-Paragraph 4C

-Subparagraph (b)

-URI http://asc.fasb.org/extlink&oid=7476318&loc=SL5624171-113959

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Namespace Prefix:	us-gaap_
Data Type:	xbrli:monetaryItemType
Balance Type:	credit
Period Type:	duration