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Derivative Instruments And Hedging Activities (Details) - contract | 6 Months Ended |
--- | --- | ---
Mar. 31, 2017 | Apr. 01, 2016
Derivative [Line Items] |  |
Derivative, Number of Instruments Held | 0 | 0
Revenue Other Than U.S. Dollar [Member] |  |
Derivative [Line Items] |  |
Concentration Risk, Percentage | 15.00% |
Revenue Other Than U.S. Dollar [Member] | Other Foreign Currencies [Member] |  |
Derivative [Line Items] |  |
Concentration Risk, Percentage | 2.00% |
Euro [Member] | Revenue Other Than U.S. Dollar [Member] |  |
Derivative [Line Items] |  |
Concentration Risk, Percentage | 6.00% |
Canadian Dollars [Member] | Revenue Other Than U.S. Dollar [Member] |  |
Derivative [Line Items] |  |
Concentration Risk, Percentage | 6.00% |
Hong Kong, Dollars | Revenue Other Than U.S. Dollar [Member] |  |
Derivative [Line Items] |  |
Concentration Risk, Percentage | 2.00% |

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