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Impairment, Disposition Of Property And Equipment, Restaurant Closing Costs And Restructuring Restructuring Costs (Details) - USD ($) $ in Thousands | 12 Months Ended
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Oct. 02, 2016 | Sep. 27, 2015 | Sep. 28, 2014
Restructuring Cost and Reserve [Line Items] |  |  |  |  |
Restructuring Costs |  | $ 10,067 |  | $ 29 | $ 8,621
Employee Severance [Member] |  |  |  |  |
Restructuring Cost and Reserve [Line Items] |  |  |  |  |
Restructuring Costs |  | 7,583 |  | 29 | 2,141
Restructuring Reserve [Roll Forward] |  |  |  |  |
Balance at beginning of year |  | 0 |  |  |
Additions and adjustments |  | 7,583 |  |  |
Cash payments |  | (3,385) |  |  |
Balance at end of year |  | 4,198 |  | 0 |
Facility Closing [Member] |  |  |  |  |
Restructuring Cost and Reserve [Line Items] |  |  |  |  |
Restructuring Costs |  | 2,004 |  | 0 | 0
Restructuring Reserve [Roll Forward] |  |  |  |  |
Balance at beginning of year |  | 9,707 |  |  |
Additions and adjustments |  | 464 |  |  |
Cash payments |  | (5,328) |  |  |
Balance at end of year |  | 7,231 | [1] | 9,707 |
Other Restructuring [Member] |  |  |  |  |
Restructuring Cost and Reserve [Line Items] |  |  |  |  |
Restructuring Costs | [2] | 480 |  | $ 0 | $ 6,480
Shared Services [Member] |  |  |  |  |
Restructuring Cost and Reserve [Line Items] |  |  |  |  |
Restructuring Costs |  | 1,800 |  |  |
Qdoba brand restaurant operations [Member] |  |  |  |  |
Restructuring Cost and Reserve [Line Items] |  |  |  |  |
Restructuring Costs |  | 6,300 |  |  |
Jack in the box brand restaurant operations [Member] |  |  |  |  |
Restructuring Cost and Reserve [Line Items] |  |  |  |  |
Restructuring Costs |  | $ 2,000 |  |  |
[1] | The weighted average remaining lease term related to these commitments is approximately five years
[2] | (1)Other primarily represents employee relocation costs in 2016, and in 2014, an impairment charge related to a restaurant software asset we no longer planned to place in service.

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