Fair values as of the balance sheet date of all assets resulting from contracts that meet the criteria of being accounted for as derivative instruments, net of the effects of master netting arrangements.

The amount of net gains and losses recognized in income during the period on derivative instruments designated and qualifying as hedging instruments in fair value hedges and related hedged items designated and qualifying in fair value hedges, on derivative instruments designated and qualifying as hedging instruments in cash flow hedges, and on derivative instruments not designated as hedging instruments.

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- Definition

Fair values as of the balance sheet date of all liabilities resulting from contracts that meet the criteria of being accounted for as derivative instruments, net of the effects of master netting arrangements.

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Derivative Instruments (Details) (USD $) In Millions	3 Months Ended		9 Months Ended
Derivative Instruments (Details) (USD $) In Millions	Oct. 02, 2011	Oct. 03, 2010	Oct. 02, 2011	Oct. 03, 2010	Dec. 31, 2010
Derivative Instruments (Textuals) [Abstract]
Total notional value of outstanding forward contracts, not designated as hedges under hedge accounting	$ 47.3		$ 47.3		$ 112.3
Gains (losses) on other foreign-currency hedges recognized in interest income and other, net	2.5	6.5	0.5	2.9
Total notional value of the Company's outstanding forward contracts, designated as foreign-currency cash-flow hedges	42.2		42.2		41.7
Calculation and evaluation of the effectiveness of each hedge			Quarterly
Derivative Assets, Total	2.2		2.2		0.8
Derivative Liabilities, Total	$ 5.2		$ 5.2		$ 0.3
Cash Flow Hedging [Member]
Derivative Instruments (Textuals) [Abstract]
Maturity period of forward contract			within 12 months
Other Foreign Currency Hedges [Member]
Derivative Instruments (Textuals) [Abstract]
Maturity period of forward contract			within 3 months