The charge against earnings resulting from the aggregate write down of all assets from their carrying value to their fair value.

+ References+ Details

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

Asset Impairments (Details) (USD $)	1 Months Ended		3 Months Ended		7 Months Ended	9 Months Ended	12 Months Ended	3 Months Ended		9 Months Ended	3 Months Ended
Asset Impairments (Details) (USD $)	Jun. 29, 2012	Apr. 19, 2011	Jul. 01, 2011	Jun. 29, 2012	Apr. 30, 2011	Jun. 29, 2012	Sep. 30, 2011	Mar. 30, 2012 Customer relationships [Member]	Mar. 30, 2012 In-process research and development [Member]	Jun. 29, 2012 In-process research and development [Member]	Mar. 30, 2012 Trade name and trademarks [Member]
Asset Impairments (Textual) [Abstract]
Asset impairments	$ 0	$ 0	$ 0		$ 0			$ 15,400,000	$ 6,000,000	$ 900,000	$ 1,100,000
Fair value of in-process research and development									1,900,000	1,900,000
Historial carrying value of in-process research and development.									2,800,000	2,800,000
Impairment of indefinite intangible asset						23,400,000	41,100,000		900,000	900,000
Asset Impairments (Additional Textual) [Abstract]
Goodwill impairment charge						$ 31,500,000