Derivatives and Hedging Activities (Details Textuals)		6 Months Ended		6 Months Ended
	Jul. 01, 2012 USD ($)	Jul. 01, 2012 Realized within twelve months [Member] USD ($)	Jul. 01, 2012 Realized within twelve months [Member] JPY (¥)	Jul. 01, 2012 Realized beyond twelve months [Member] USD ($)	Jul. 01, 2012 Realized beyond twelve months [Member] JPY (¥)
Derivatives and Hedging Activities
Notional amount of currency swap transactions	$ (181,100,000)
Minimum liquidity after June 24, 2012	1,000,000,000
Additional Derivatives and Hedging Activities
Forward contracts cash flow hedge for future purchases of currency		735,900,000	58,400,000,000	6,100,000	500,000,000
Unrealized Gain (Loss) on Foreign Currency Derivatives, Net, before Tax		(13,400,000)		(100,000)
Foreign currency forward contracts outstanding to buy dollar		263,000,000
Foreign currency forward contracts outstanding to sell dollar		$ (76,900,000)