Other Comprehensive Income (Components Of Other Comprehensive Income Gross And Net Of Income Tax) (Detail) (USD $) In Thousands, unless otherwise specified	3 Months Ended	9 Months Ended
Sep. 29, 2012	Oct. 01, 2011	Sep. 29, 2012	Oct. 01, 2011
Unrealized gains (losses) on hedging transactions, Gross	$ (5,458)	$ 8,617	$ (8,599)	$ 4,164
Unrealized gains (losses) on hedging transactions, Income tax (benefit) expense	(1,512)	3,002	(2,407)	1,326
Unrealized gains (losses) on hedging transactions, Net	(3,946)	5,615	(6,192)	2,838
Unrealized gains (losses) on investments, Gross	556	(989)	1,355	(455)
Unrealized gains (losses) on investments, Income tax (benefit) expense	164	(353)	438	(152)
Unrealized gains (losses) on investments, Net	$ 392	$ (636)	$ 917	$ (303)

Before tax amount of the change in accumulated gain (loss) from derivative instruments designated and qualifying as the effective portion of cash flow hedges. Also includes an entity's share of an equity investee's increase (decrease) in deferred hedging gain (loss).

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- Definition

Net of tax amount, before reclassification adjustments, of the change in accumulated gain (loss) from derivative instruments designated and qualifying as the effective portion of cash flow hedges. Also includes an entity's share of an equity investee's increase (decrease) in deferred hedging gain (loss).

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- Definition

Tax effect of the change in accumulated gain (loss) from derivative instruments designated and qualifying as the effective portion of cash flow hedges. Also includes an entity's share of an equity investee's increase (decrease) in deferred hedging gain (loss).

+ References+ Details

- Definition

Before tax and reclassification adjustments amount of unrealized holding gain (loss) and transfers on available-for-sale securities.

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- Definition

Net of tax amount of unrealized holding gain (loss) before reclassification adjustments and transfers on available-for-sale securities.

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+ Details

- Definition

Tax effect of unrealized holding gain (loss) before reclassification adjustments and transfers on available-for-sale securities.

+ References+ Details