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Summary of Significant Accounting Policies - Schedule of Total Revenue Disaggregated by Service Type (Details) - USD ($) $ in Thousands | 3 Months Ended | 12 Months Ended
--- | --- | ---
Aug. 31, 2019 | May 25, 2019 | Feb. 23, 2019 | Nov. 24, 2018 | Aug. 25, 2018 | May 26, 2018 | Feb. 24, 2018 | Nov. 25, 2017 | Aug. 31, 2019 | Aug. 25, 2018 | Aug. 26, 2017
Disaggregation of Revenue [Line Items] |  |  |  |  |  |  |  |  |  |  |
Total revenues | $ 479,621 | $ 453,720 | $ 437,485 | $ 438,550 | $ 434,063 | $ 427,384 | $ 419,264 | $ 415,778 | $ 1,809,376 | $ 1,696,489 | $ 1,590,958
Revenue | Revenues |  |  |  |  |  |  |  |  |  |  |
Disaggregation of Revenue [Line Items] |  |  |  |  |  |  |  |  |  |  |
Percentage of revenues |  |  |  |  |  |  |  |  | 100.00% | 100.00% | 100.00%
Core Laundry Operations |  |  |  |  |  |  |  |  |  |  |
Disaggregation of Revenue [Line Items] |  |  |  |  |  |  |  |  |  |  |
Total revenues |  |  |  |  |  |  |  |  | $ 1,616,205 | $ 1,523,648 | $ 1,442,149
Core Laundry Operations | Revenue | Revenues |  |  |  |  |  |  |  |  |  |  |
Disaggregation of Revenue [Line Items] |  |  |  |  |  |  |  |  |  |  |
Percentage of revenues |  |  |  |  |  |  |  |  | 89.30% | 89.80% | 90.60%
Specialty Garments |  |  |  |  |  |  |  |  |  |  |
Disaggregation of Revenue [Line Items] |  |  |  |  |  |  |  |  |  |  |
Total revenues |  |  |  |  |  |  |  |  | $ 132,767 | $ 118,477 | $ 98,024
Specialty Garments | Revenue | Revenues |  |  |  |  |  |  |  |  |  |  |
Disaggregation of Revenue [Line Items] |  |  |  |  |  |  |  |  |  |  |
Percentage of revenues |  |  |  |  |  |  |  |  | 7.30% | 7.00% | 6.20%
First Aid |  |  |  |  |  |  |  |  |  |  |
Disaggregation of Revenue [Line Items] |  |  |  |  |  |  |  |  |  |  |
Total revenues |  |  |  |  |  |  |  |  | $ 60,404 | $ 54,364 | $ 50,785
First Aid | Revenue | Revenues |  |  |  |  |  |  |  |  |  |  |
Disaggregation of Revenue [Line Items] |  |  |  |  |  |  |  |  |  |  |
Percentage of revenues |  |  |  |  |  |  |  |  | 3.40% | 3.20% | 3.20%

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