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Allowance for Doubtful Accounts | 12 Months Ended
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Sep. 30, 2017
Receivables [Abstract] |
Allowance for Doubtful Accounts | Allowance for Doubtful Accounts The allowance for doubtful accounts includes reserves for collectability determined by past credit history with customers, their expected returns and deductions and their current financial condition. Changes in the allowance for doubtful accounts are summarized below (in thousands):
Description | Balances at Beginning of Period |  | Charged/ (Credited) to Costs and Expenses |  | Asset Write-Offs, Less Recoveries |  | Balances at End of Period
Fiscal Year Ended September 26, 2015 | 25,212 |  |  | 741 |  |  | (6,657 | ) |  | 19,296 |
Fiscal Year Ended September 24, 2016 | 19,296 |  |  | 6,041 |  |  | (4,268 | ) |  | 21,069 |
Fiscal Year Ended September 30, 2017 | 21,069 |  |  | 2,921 |  |  | (2,554 | ) |  | 21,436 |

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- Definition Allowance for Doubtful Accounts. + References No definition available. + Details
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- References No definition available. + Details
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Namespace Prefix: | us-gaap_
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Period Type: | duration