Fair Value Measurements - Additional Information (Detail) (Eclipse Electronic Systems Inc, Level 3, USD $) In Millions, unless otherwise specified	9 Months Ended
Jul. 27, 2012
Eclipse Electronic Systems Inc \| Level 3
Derivative Instruments and Hedging Activities Disclosure [Line Items]
Contingent purchase consideration paid	$ 5.0

Business Combination, Contingent Consideration Arrangements, Payment

No definition available.

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Balance Type:	credit
Period Type:	duration