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Significant Accounting and Reporting Policies New Accounting Pronouncements (Details) - USD ($) $ in Millions | Jun. 02, 2019 | Sep. 03, 2018 | Jun. 03, 2018 | Jun. 04, 2017
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New Accounting Pronouncements or Change in Accounting Principle [Line Items] |  |  |  |
Cumulative effect of accounting change |  |  | $ 1.9 | $ (0.2)
Retained Earnings |  |  |  |
New Accounting Pronouncements or Change in Accounting Principle [Line Items] |  |  |  |
Cumulative effect of accounting change |  |  | 0.5 | $ 0.1
Accumulated Other Comprehensive Income (Loss) |  |  |  |
New Accounting Pronouncements or Change in Accounting Principle [Line Items] |  |  |  |
Cumulative effect of accounting change |  |  | 1.4 |
Accounting Standard Update 2016-01 | Retained Earnings |  |  |  |
New Accounting Pronouncements or Change in Accounting Principle [Line Items] |  |  |  |
Cumulative effect of accounting change |  |  | 0.1 |
Accounting Standard Update 2016-01 | Accumulated Other Comprehensive Income (Loss) |  |  |  |
New Accounting Pronouncements or Change in Accounting Principle [Line Items] |  |  |  |
Cumulative effect of accounting change |  |  | $ 0.1 |
Accounting Standard Update 2018-02 | Retained Earnings |  |  |  |
New Accounting Pronouncements or Change in Accounting Principle [Line Items] |  |  |  |
Cumulative effect of accounting change |  | $ 1.5 |  |
Accounting Standard Update 2018-02 | Accumulated Other Comprehensive Income (Loss) |  |  |  |
New Accounting Pronouncements or Change in Accounting Principle [Line Items] |  |  |  |
Cumulative effect of accounting change |  | $ 1.5 |  |
Scenario, Forecast | Minimum | Accounting Standards Update 2016-02 |  |  |  |
New Accounting Pronouncements or Change in Accounting Principle [Line Items] |  |  |  |
Operating Lease, Liability | $ 250.0 |  |  |
Operating Lease, Right-of-Use Asset | 250.0 |  |  |
Scenario, Forecast | Maximum | Accounting Standards Update 2016-02 |  |  |  |
New Accounting Pronouncements or Change in Accounting Principle [Line Items] |  |  |  |
Operating Lease, Liability | 300.0 |  |  |
Operating Lease, Right-of-Use Asset | $ 300.0 |  |  |

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