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Goodwill and Intangible Assets - Narrative (Details) - USD ($) | 1 Months Ended | 3 Months Ended | 9 Months Ended | 12 Months Ended |
--- | --- | --- | --- | --- | ---
Sep. 27, 2020 | Jun. 27, 2021 | Jun. 30, 2020 | Jun. 28, 2020 | Jun. 27, 2021 | Jun. 28, 2020 | Sep. 27, 2020 | Jun. 29, 2020
Goodwill [Line Items] |  |  |  |  |  |  |  |
Impairment of goodwill |  |  |  |  |  |  | $ 0 |
Carrying value | $ 2,378,558,000 | $ 2,510,921,000 |  |  | $ 2,510,921,000 |  | 2,378,558,000 |
Goodwill | 993,498,000 | 1,051,796,000 |  |  | 1,051,796,000 |  | 993,498,000 |
Amortization expense |  | 2,200,000 |  | $ 2,600,000 | 7,800,000 | $ 9,000,000.0 |  |
Australia |  |  |  |  |  |  |  |
Goodwill [Line Items] |  |  |  |  |  |  |  |
Percentage negative growth |  |  | 7.00% |  |  |  |  |
All reporting units excluding ASP |  |  |  |  |  |  |  |
Goodwill [Line Items] |  |  |  |  |  |  |  |
Percentage of excess of fair value over carrying value |  |  |  |  |  |  |  | 80.00%
ASP |  |  |  |  |  |  |  |
Goodwill [Line Items] |  |  |  |  |  |  |  |
Impairment of goodwill | 15,800,000 |  |  |  |  |  |  |
Carrying value | 144,900,000 |  |  |  |  |  | 144,900,000 |
Goodwill | 95,500,000 |  |  |  |  |  | 95,500,000 |
GSG |  |  |  |  |  |  |  |
Goodwill [Line Items] |  |  |  |  |  |  |  |
Gross amounts of goodwill | 534,000,000.0 | 559,000,000.0 |  |  | 559,000,000.0 |  | 534,000,000.0 |
Accumulated impairment | 17,700,000 | 17,700,000 |  |  | 17,700,000 |  | 17,700,000 |
Goodwill | 516,315,000 | 541,305,000 |  |  | 541,305,000 |  | 516,315,000 |
CIG |  |  |  |  |  |  |  |
Goodwill [Line Items] |  |  |  |  |  |  |  |
Gross amounts of goodwill | 598,700,000 | 632,000,000.0 |  |  | 632,000,000.0 |  | 598,700,000 |
Accumulated impairment | 121,500,000 | 121,500,000 |  |  | 121,500,000 |  | 121,500,000 |
Goodwill | $ 477,183,000 | $ 510,491,000 |  |  | $ 510,491,000 |  | $ 477,183,000 |
CIG | ASP |  |  |  |  |  |  |  |
Goodwill [Line Items] |  |  |  |  |  |  |  |
Percentage of excess of fair value over carrying value |  |  |  |  |  |  |  | 20.00%

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