Goodwill and Intangible Assets, Net (Detail) (USD $) In Thousands, unless otherwise specified	Apr. 01, 2012	Oct. 02, 2011
Non-amortizing intangible assets
Goodwill	$ 814,464	$ 491,079
Amortizable intangible assets, net
Amortizable intangible assets, net	453,413	281,689
Completed Technology
Amortizable intangible assets, net
Amortizable intangible assets, net	210,999	177,828
Customer Relationships
Amortizable intangible assets, net
Amortizable intangible assets, net	227,592	95,296
Backlog
Amortizable intangible assets, net
Amortizable intangible assets, net	10,242	4,658
Trade names and other
Amortizable intangible assets, net
Amortizable intangible assets, net	$ 4,580	$ 3,907

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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Reference 5: http://www.xbrl.org/2003/role/presentationRef

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+ Details