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Product Warranties (Summary Of Activity In Warranty Accrual) (Details) (USD $) In Thousands, unless otherwise specified | 3 Months Ended | 6 Months Ended
--- | --- | ---
Mar. 29, 2014 | Mar. 30, 2013 | Mar. 29, 2014 | Mar. 30, 2013
Movement in Standard Product Warranty Accrual [Roll Forward] |  |  |  |
Warranty accrual at beginning of period | $ 17,369 | $ 18,040 | $ 17,429 | $ 18,859
Warranties issued during current period | 2,116 | 893 | 3,903 | 2,933
Adjustments to pre-existing warranties | 75 | 91 | (524) | (475)
Reductions for settling warranties | (2,601) | (1,923) | (3,981) | (4,244)
Foreign currency translation | 78 | (651) | 210 | (623)
Warranty accrual at end of period | $ 17,037 | $ 16,450 | $ 17,037 | $ 16,450
Minimum [Member] |  |  |  |
Product Warranties [Line Items] |  |  |  |
Product warranty period in months |  |  | 12 |
Maximum [Member] |  |  |  |
Product Warranties [Line Items] |  |  |  |
Product warranty period in months |  |  | 60 |

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- Definition 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. + References Reference 1: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 460 -SubTopic 10 -Section 50 -Paragraph 8 -Subparagraph (c)(1),(c)(5) -URI http://asc.fasb.org/extlink&oid=6398077&loc=d3e12565-110249 + Details
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- Definition 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. + References Reference 1: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 460 -SubTopic 10 -Section 50 -Paragraph 8 -Subparagraph (c) -URI http://asc.fasb.org/extlink&oid=6398077&loc=d3e12565-110249 + Details
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- Definition 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. + References Reference 1: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 460 -SubTopic 10 -Section 50 -Paragraph 8 -Subparagraph ((c)(2)) -URI http://asc.fasb.org/extlink&oid=6398077&loc=d3e12565-110249 + Details
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- Definition 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. + References Reference 1: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 460 -SubTopic 10 -Section 50 -Paragraph 8 -Subparagraph ((c)(4)) -URI http://asc.fasb.org/extlink&oid=6398077&loc=d3e12565-110249 + Details
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- Definition 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. + References Reference 1: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 460 -SubTopic 10 -Section 50 -Paragraph 8 -Subparagraph ((c)(3)) -URI http://asc.fasb.org/extlink&oid=6398077&loc=d3e12565-110249 + Details
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- Definition Describes the nature of the product warranty, including the approximate term of the product warranty, how the product warranty arose, and the events or circumstances that would require the warrantor to perform under the product warranty. + References Reference 1: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 460 -SubTopic 10 -Section 50 -Paragraph 4 -Subparagraph (a) -URI http://asc.fasb.org/extlink&oid=6851643&loc=d3e12069-110248 Reference 2: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 460 -SubTopic 10 -Section 50 -Paragraph 8 -Subparagraph (a) -URI http://asc.fasb.org/extlink&oid=6398077&loc=d3e12565-110249 + Details
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