Segment Information (Consolidated Revenue By Segment) (Details) (USD $) In Millions, unless otherwise specified	3 Months Ended	9 Months Ended	3 Months Ended	9 Months Ended	3 Months Ended	9 Months Ended	3 Months Ended	9 Months Ended	3 Months Ended	9 Months Ended	3 Months Ended	9 Months Ended	3 Months Ended	9 Months Ended	3 Months Ended	9 Months Ended
	Oct. 01, 2010	Oct. 01, 2010	Oct. 01, 2010 Broadband Segment [Member]	Oct. 01, 2010 Broadband Segment [Member]	Oct. 01, 2010 Transport Segment [Member]	Oct. 01, 2010 Transport Segment [Member]	Oct. 01, 2010 Services Segment [Member]	Oct. 01, 2010 Services Segment [Member]	Sep. 30, 2011 Restated [Member]	Sep. 30, 2011 Restated [Member]	Sep. 30, 2011 Restated [Member] Broadband Segment [Member]	Sep. 30, 2011 Restated [Member] Broadband Segment [Member]	Sep. 30, 2011 Restated [Member] Transport Segment [Member]	Sep. 30, 2011 Restated [Member] Transport Segment [Member]	Sep. 30, 2011 Restated [Member] Services Segment [Member]	Sep. 30, 2011 Restated [Member] Services Segment [Member]
Segment Reporting Information [Line Items]
Segment Revenue			$ 199.2	$ 619.0	$ 170.1	$ 430.7	$ 60.5	$ 182.1			$ 182.3	$ 504.3	$ 90.4	$ 300.3	$ 57.1	$ 164.3
Revenue	$ 429.8	$ 1,231.8							$ 329.8	$ 968.9