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Indebtedness - Narrative (Details) - Senior Notes - USD ($) | Apr. 12, 2020 | Sep. 29, 2019
--- | --- | ---
Class A-2-I Notes |  |
Debt Instrument [Line Items] |  |
Stated interest rate | 3.982% |
Notes | $ 573,563,000 | $ 575,000,000
Class A-2-II Notes |  |
Debt Instrument [Line Items] |  |
Stated interest rate | 4.476% |
Notes | $ 274,313,000 | 275,000,000
Class A-2-III Notes |  |
Debt Instrument [Line Items] |  |
Stated interest rate | 4.97% |
Notes | $ 448,875,000 | 450,000,000
Class A-1 Variable Funding Notes |  |
Debt Instrument [Line Items] |  |
Debt issuable under purchase agreement | 150,000,000.0 |
Letters of credit outstanding | 41,100,000 | 45,600,000
Notes | 107,876,000 | $ 0
Remaining borrowings available | $ 1,100,000 |

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