Derivative Instruments (Tables)

3 Months Ended

Mar. 31, 2012

Derivative Instruments [Abstract]

Financial Information Related To Hedging Of Net Assets Included In Consolidated Statement Of Earnings

	Three Months Ended
	March 31, 2012			April 2, 2011
Change in gains (losses) from foreign exchange derivatives	$	(2,035	)	$	(4,821	)
Gain on net foreign currency assets		1,693			4,527
Foreign exchange loss	$	(342	)	$	(294	)

	As of
	March 31, 2012			December 31, 2011
Notional balance of outstanding contracts:
Pound/US dollar	£	5,291		£	6,016
Euro/US dollar	€	38,400		€	36,684
Net fair value of outstanding contracts	$	(236	)	$	54

Financial Information Related To Cash Flow Hedges

	As of
	March 31, 2012			April 2, 2011
Unrealized losses on hedging transactions:
Gross	$	(6,538	)	$	(4,419	)
Income tax expense (benefit)		(1,892	)		(1,663	)
Net	$	(4,646	)	$	(2,756	)

Financial Information Related To Cash Flow Hedges Of Future Revenues

	As of
	March 31, 2012			December 31, 2011
Notional balance of outstanding contracts versus the dollar	€	96,990		€	92,305
Hedge effectiveness		100	%		100	%
	Three Months Ended
	March 31, 2012			April 2, 2011
Net gains and (losses) included in revenue	$	1,157		$	(966	)

Forward Contract Amounts Recorded In Consolidated Balance Sheet

	As of
	March 31, 2012		December 31, 2011
Assets:
Prepaid expenses and other current assets	$	322	$	9,210
Total	$	322	$	9,210