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Recently Issued Accounting Standards New Accounting Pronouncements or Change in Accounting Principle (Details) - USD ($) $ in Millions | Dec. 01, 2018 | Sep. 03, 2018 | Sep. 02, 2018 | Jun. 03, 2018 | Sep. 03, 2017 | Jun. 04, 2017
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New Accounting Pronouncements or Change in Accounting Principle [Line Items] |  |  |  |  |  |
Cumulative effect of accounting change |  |  |  | $ 1.9 | $ (0.1) | $ (0.1)
Retained Earnings |  |  |  |  |  |
New Accounting Pronouncements or Change in Accounting Principle [Line Items] |  |  |  |  |  |
Cumulative effect of accounting change |  |  | $ (1.5) | 2.0 | $ (0.1) | $ 0.2
Accumulated Other Comprehensive Income (Loss) |  |  |  |  |  |
New Accounting Pronouncements or Change in Accounting Principle [Line Items] |  |  |  |  |  |
Cumulative effect of accounting change | $ 1.4 |  | $ 1.5 | (0.1) |  |
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 |  |  |  |

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