Derivatives and Hedging Activities (Details Textuals)	3 Months Ended		6 Months Ended
	Jul. 03, 2011 USD ($)	Jul. 04, 2010 USD ($)	Jul. 03, 2011 USD ($)	Jul. 04, 2010 USD ($)	Jul. 03, 2011 JPY (¥)	Jan. 02, 2011 USD ($)	Jul. 03, 2011 Equity market risk contract [Member] USD ($)	Jan. 02, 2011 Equity market risk contract [Member] USD ($)	Jul. 03, 2011 Cross Currency Swap A [Member] USD ($)	Jul. 03, 2011 Cross Currency Swap B [Member] USD ($)
Derivatives and Hedging Activities (Textuals) [Abstract]
Cash flow hedge designated to mitigate equity risk securities, fair value							$ (3,157,000)	$ (6,861,000)
Notional amount of currency swap transactions									(259,500,000)	(61,800,000)
Minimum liquidity on, or prior to, June 24, 2012										1,500,000,000
Minimum liquidity after June 24, 2012										1,000,000,000
Minimum liquidity									1,000,000,000
Additional Derivatives and Hedging Activities (Textuals) [Abstract]
Net loss amount of Ineffective portion of a hedge excluded from the Company's hedge effectiveness or is no longer probable of occurring, recognized as other income or expense	(630,000)	(33,000)	(2,440,000)	(61,000)
Forward contracts cash flow hedge for future purchases of currency	433,000,000		433,000,000		35,000,000,000
Net unrealized gain on the effective portion of cash flow hedges			8,800,000
Fair value of securities	82,500,000		82,500,000			86,500,000
Foreign currency forward contracts outstanding to buy dollar	394,300,000		394,300,000
Foreign currency forward contracts outstanding to sell dollar	$ (355,300,000)		$ (355,300,000)