Merger with Conexant Holdings, Inc. (Details Textual) (USD $)	9 Months Ended	12 Months Ended
Jun. 29, 2012	Sep. 30, 2011
Merger with Conexant Holdings, Inc. (Textual) [Abstract]
Impairment of intangible assets	$ 23,400,000	$ 41,100,000
Impairment of goodwill	$ 31,500,000
Maximum [Member]
Merger with Conexant Holdings, Inc. (Textual) [Abstract]
Fair value inputs discount rate	16.50%
Minimum [Member]
Merger with Conexant Holdings, Inc. (Textual) [Abstract]
Fair value inputs discount rate	15.00%

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.

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+ Details