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Other Financial Information (Miscellaneous Noncurrent Assets) (Details) - USD ($) $ in Thousands | Sep. 29, 2017 | Sep. 30, 2016
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Other Financial Information [Abstract] |  |
Deferred income taxes | $ 368,700 | $ 413,563
Cash surrender value of life insurance policies | 130,411 | 122,364
Investments | 145,069 | 178,256
Notes receivable | 17,839 | 18,303
Other | 30,003 | 26,843
Total | $ 692,022 | $ 759,329

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