Intangible Assets (Tables)

3 Months Ended

Mar. 30, 2012

Intangible Assets [Abstract]

Gross Carry Amount And Accumulated Amortization Of Intangible Assets Subject To Amortization

	3/30/12
	Gross Assets		Accumulated Amortization			Net
Developed technology	$	147.6	$	(147.3	)	$	0.3
Customer relationships		30.9		(23.6	)		7.3
Total	$	178.5	$	(170.9	)	$	7.6

		00000000			00000000			00000000
	12/30/11
	Gross Assets			Accumulated Amortization			Net
Developed technology	$	212.8		$	(169.1	)	$	43.7
Customer relationships		35.2			(23.7	)		11.5
Trade names/trademarks		0.2			(0.2	)		—
Leasehold improvements		(2.7	)		2.3			(0.4	)
Non-compete arrangements		13.1			(10.8	)		2.3
Total	$	258.6		$	(201.5	)	$	57.1

Estimated Future Amortization Expense Of Intangible Assets Subject To Amortization

2012 (remaining nine months)	$	3.2
2013	$	4.2
2014	$	0.1
2015	$	0.1