Summary Of Significant Accounting Policies (Schedule Of Activity In The Warranty Accrual) (Details) (USD $) In Thousands, unless otherwise specified	12 Months Ended
Sep. 29, 2012	Oct. 01, 2011	Oct. 02, 2010
Accounting Policies [Abstract]
Warranty accrual at beginning of year	$ 19,247	$ 14,856	$ 14,675
Additions from acquisitions	233	120	213
Warranties issued during current year	9,842	11,426	6,729
Adjustments to pre-existing warranties	(460)	713	186
Reductions for settling warranties	(10,016)	(7,865)	(6,831)
Foreign currency translation	13	(3)	(116)
Warranty accrual at end of year	$ 18,859	$ 19,247	$ 14,856

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Amount as of the balance sheet date of the aggregate standard product warranty liability. Does not include the balance for the extended product warranty liability.

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Liability for a standard product warranty acquired in a business acquisition. Does not include any liability for an extended warranty acquired in a business acquisition.

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Increase or Decrease in standard product warranty liability due to currency translation. Does not include any Increase or Decrease in an extended product warranty liability due to currency translation.

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Represents the aggregate decrease in the liability for payments made (in cash or in kind) to satisfy claims under the terms of the standard product warranty. Does not include any Increase or Decrease in the liability for payments related to extended product warranties.

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Represents the aggregate Increase or Decrease in the liability during the reporting period for accruals related to preexisting standard product warranties (including adjustments related to changes in estimates). Does not include any Increase or Decrease in the liability for accruals related to extended product warranties.

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Represents the aggregate increase in the liability for accruals related to standard product warranties issued during the reporting period. Does not include any increase in the liability for accruals related to extended product warranties.

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