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v3.21.2

Commitments and Contingencies - Narrative (Details) $ in Millions | 3 Months Ended | 12 Months Ended
--- | --- | ---
Feb. 23, 2019 USD ($) | Aug. 28, 2021 USD ($) site company | Aug. 29, 2020 USD ($) | Aug. 31, 2019 USD ($) | Aug. 26, 2017 USD ($)
Gain Contingencies [Line Items] |  |  |  |  |
Operating lease, existence of option to extend |  | true |  |  |
Operating lease, existence of option to terminate |  | true |  |  |
Total rent expense on all leases |  | $ 16.2 | $ 15.2 | $ 16.5 |
Estimated rate of inflation |  | 3.00% |  |  |
Annual proceeds |  | $ 0.3 |  |  |
Number of sites related to former operations | site |  | 2 |  |  |
Balance in escrow account |  | $ 4.7 |  |  |
Number of insurance companies | company |  | 3 |  |  |
Pre-tax non-cash impairment charge |  |  |  |  | $ 55.8
Gain (loss) related to litigation settlement | $ 21.1 |  |  |  |
One-time cash payment received for sale of CRM system | 13.0 |  |  |  |
Hardware received at fair value | $ 0.8 |  |  |  |
Outstanding letters of credit |  | $ 67.5 | $ 70.8 |  |
Non-cancellable purchase commitments for inventories, software, and services |  | 65.5 |  |  |
Non-cancellable purchase commitments to be paid in less than one year |  | 46.2 |  |  |
Non-cancellable purchase commitments to be paid in one to three year |  | $ 11.7 |  |  |
Minimum |  |  |  |  |
Gain Contingencies [Line Items] |  |  |  |  |
Risk-free interest rates utilized |  | 1.31% |  |  |
Maximum |  |  |  |  |
Gain Contingencies [Line Items] |  |  |  |  |
Risk-free interest rates utilized |  | 1.91% |  |  |

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