Goodwill And Intangible Assets (Tables)

12 Months Ended

Dec. 30, 2011

Goodwill And Intangible Assets [Abstract]

Allocation Of Goodwill And Goodwill Activity

	12/30/11
	Broadband			Transport		Services			Total
Beginning balance	$	82.7		$	—	$	122.2		$	204.9
Additions (reductions)		(82.7	)		—		—			(82.7	)
Currency translation adjustments		—			—		(0.2	)		(0.2	)
Ending balance	$	—		$	—	$	122.0		$	122.0

	12/31/10
	Broadband			Transport		Services			Total
Beginning balance	$	84.7		$	—	$	122.5		$	207.2
Additions (reductions)		(2.0	)		—		—			(2.0	)
Currency translation adjustments		—			—		(0.3	)		(0.3	)
Ending balance	$	82.7		$	—	$	122.2		$	204.9

Gross Carrying Amount And Accumulated Amortization Of Intangible Assets

	12/30/11
	Gross Assets			Accumulated Amortization			Net
Developed technology	$	212.8		$	(169.1	)	$	43.7
Customer relationships/backlog		35.2			(23.7	)		11.5
Trade names/trademarks		0.2			(0.2	)		—
Leasehold improvements 1		(2.7	)		2.3			(0.4	)
Non-compete arrangements		13.1			(10.8	)		2.3
Total	$	258.6		$	(201.5	)	$	57.1

¹  Leasehold improvements as of December 30, 2011, reflects a net reclass of $0.5 million to Restructuring and other charges due to the reduction of a facility.

	12/31/10
	Gross Assets			Accumulated Amortization			Net
Developed technology	$	215.6		$	(161.4	)	$	54.2
Customer relationships/backlog		35.2			(18.6	)		16.6
Trade names/trademarks		0.2			(0.2	)		—
Leasehold improvements		(3.2	)		2.0			(1.2	)
Non-compete arrangements		13.1			(6.0	)		7.1
IPR&D		20.0			—			20.0
Total	$	280.9		$	(184.2	)	$	96.7

Schedule Of Estimated Amortization Expense

2012	$	17.8
2013	$	15.5
2014	$	10.9
2015	$	5.3
2016	$	5.2
Thereafter	$	2.4