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Restructuring Expense - Schedule of Restructuring Rollforward (Details) - USD ($) $ in Millions | 3 Months Ended | 9 Months Ended
--- | --- | ---
Feb. 27, 2021 | Nov. 28, 2020 | Feb. 29, 2020 | Feb. 27, 2021 | Feb. 29, 2020
Restructuring Cost and Reserve [Line Items] |  |  |  |  |
Restructuring Costs | $ 0.3 |  | $ 3.5 | $ 1.5 | $ 9.6
Gain (Loss) on Disposition of Assets |  | $ (3.4) |  |  |
International Contract |  |  |  |  |
Restructuring Cost and Reserve [Line Items] |  |  |  |  |
Restructuring Costs | 0.1 |  | 0.4 | (1.1) | 1.0
North America Contract |  |  |  |  |
Restructuring Cost and Reserve [Line Items] |  |  |  |  |
Restructuring Costs | 0.2 |  | 1.4 | 2.6 | 6.9
Retail: |  |  |  |  |
Restructuring Cost and Reserve [Line Items] |  |  |  |  |
Restructuring Costs |  |  | $ 1.7 | 0.0 | $ 1.7
Other Restructuring Plans |  |  |  |  |
Restructuring Cost and Reserve [Line Items] |  |  |  |  |
Beginning Balance |  |  |  | 6.7 |
Restructuring Costs |  |  |  | (1.9) |
Amounts Paid |  |  |  | (3.1) |
Gain (Loss) on Disposition of Assets |  |  |  | 1.9 |
Ending Balance | 3.6 |  |  | 3.6 |
Severance and Employee-Related | Other Restructuring Plans |  |  |  |  |
Restructuring Cost and Reserve [Line Items] |  |  |  |  |
Beginning Balance |  |  |  | 5.9 |
Restructuring Costs |  |  |  | 0.1 |
Amounts Paid |  |  |  | (3.0) |
Ending Balance | 3.0 |  |  | 3.0 |
Severance and Employee-Related | May 2020 Restructuring Plan |  |  |  |  |
Restructuring Cost and Reserve [Line Items] |  |  |  |  |
Beginning Balance |  |  |  | 15.3 |
Restructuring Costs |  |  |  | 3.4 |
Amounts Paid |  |  |  | (17.3) |
Ending Balance | 1.4 |  |  | 1.4 |
Exit or Disposal Activities | Other Restructuring Plans |  |  |  |  |
Restructuring Cost and Reserve [Line Items] |  |  |  |  |
Beginning Balance |  |  |  | 0.8 |
Restructuring Costs |  |  |  | (2.0) |
Amounts Paid |  |  |  | (0.1) |
Gain (Loss) on Disposition of Assets |  |  |  | 1.9 |
Ending Balance | $ 0.6 |  |  | $ 0.6 |

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