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Commitments and Contingencies (Details) - USD ($) $ in Thousands | 1 Months Ended |  |
--- | --- | --- | ---
Jul. 31, 2016 | Dec. 29, 2018 | Sep. 30, 2018
Loss Contingencies [Line Items] |  |  |
Accounts receivable, net of allowance for doubtful accounts of $564 and $607 at December 29, 2018 and September 30, 2018, respectively |  | $ 385,670 | $ 129,297
Pending Litigation |  |  |
Loss Contingencies [Line Items] |  |  |
Loss contingency accrual |  | 400 |
Korea |  |  |
Loss Contingencies [Line Items] |  |  |
Income tax examination, estimate of possible loss | $ 12,000 |  |
Minimum | Pending Litigation |  |  |
Loss Contingencies [Line Items] |  |  |
Loss Contingency, Estimate of Possible Loss |  | 500 |
Maximum | Pending Litigation |  |  |
Loss Contingencies [Line Items] |  |  |
Loss Contingency, Estimate of Possible Loss |  | $ 4,200 |

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