Goodwill And Intangible Assets (Details) (USD $) In Millions	3 Months Ended	9 Months Ended
Sep. 30, 2011	Sep. 30, 2011	Dec. 31, 2010
Indefinite-lived Intangible Assets by Major Class [Line Items]
Goodwill	$ 122.3	$ 122.3	$ 204.9
Impairment charges of indefinite lives intangible assets	20.0
Goodwill and IPR&D impairment	102.7	102.7
Broadband Segment [Member]
Indefinite-lived Intangible Assets by Major Class [Line Items]
Impairment charges on goodwill	82.7
Services Segment [Member]
Indefinite-lived Intangible Assets by Major Class [Line Items]
Goodwill	$ 122.3	$ 122.3

Carrying amount as of the balance sheet date, which is the cumulative amount paid and (if applicable) the fair value of any noncontrolling interest in the acquiree, adjusted for any amortization recognized prior to the adoption of any changes in generally accepted accounting principles (as applicable) and for any impairment charges, in excess of the fair value of net assets acquired in one or more business combination transactions.

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+ Details

- Definition

Loss recognized during the period that results from the write-down of goodwill after comparing the implied fair value of reporting unit goodwill with the carrying amount of that goodwill. Goodwill is assessed at least annually for impairment.

+ References

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+ Details