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Inventories (Narrative) (Details) | Jul. 01, 2017 | Oct. 01, 2016
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Inventory Disclosure [Abstract] |  |
Percentage of FIFO Inventory | 64.00% | 61.00%

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- References No definition available. + Details
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Namespace Prefix: | us-gaap_
Data Type: | xbrli:stringItemType
Balance Type: | na
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- Definition The percentage of FIFO (first in first out) inventory to total inventory as of the balance sheet date if other than 100 percent. + References No definition available. + Details
Name: | us-gaap_PercentageOfFIFOInventory
Namespace Prefix: | us-gaap_
Data Type: | num:percentItemType
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