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v3.19.2

Taxes (Details) $ in Millions | 3 Months Ended | 9 Months Ended | 12 Months Ended |
--- | --- | --- | --- | ---
May 31, 2019 USD ($) | Feb. 28, 2019 USD ($) | Nov. 30, 2018 USD ($) | Feb. 28, 2019 USD ($) | Feb. 28, 2018 USD ($) | May 31, 2019 USD ($) state | May 31, 2018 USD ($) | May 31, 2017 USD ($) | May 31, 2016 USD ($)
Income Tax And Non Income Tax Disclosure [Abstract] |  |  |  |  |  |  |  |  |
Settlements during the period |  |  |  |  |  | $ 0.2 | $ 1.9 | $ 0.6 |
Net deferred tax assets | $ 37.0 |  |  |  |  | 37.0 | 25.2 |  |
Decrease in deferred tax asset valuation allowance |  |  |  |  |  | (0.6) |  |  |
Valuation Allowance, Deferred Tax Asset, Decrease, Valuation Amount |  |  |  | $ 3.9 | $ 1.9 |  |  |  |
Valuation Allowance, Deferred Tax Asset, Decrease, Releases Amount |  |  |  | $ 3.3 | $ 1.3 |  |  |  |
Valuation Allowance, Deferred Tax Asset, Increase, Amount |  |  |  |  |  |  | 0.3 |  |
Unrecognized tax benefits | 9.0 |  |  |  |  | 9.0 | 10.1 | 14.1 | $ 17.9
Income tax penalties and interest accrued | 0.0 |  |  |  |  | 0.0 | 1.8 | 1.7 |
Unrecognized tax benefits that would impact effective tax rate | 0.0 |  |  |  |  | 0.0 | 10.1 | 0.0 |
Tax (expense) benefit from income tax penalties and interest expense |  |  |  |  |  | 0.4 | (0.1) | (0.6) |
Period increase (decrease) in unrecognized tax benefits |  |  |  |  |  | (1.1) | (4.0) |  |
Loss Contingencies [Line Items] |  |  |  |  |  |  |  |  |
Tax Cuts and Jobs Act, Remeasurement | 0.3 |  |  |  |  |  |  |  |
Tax Cuts and Jobs Act, Equity Compensation Disallowed |  |  | $ 0.2 |  |  |  |  |  |
Tax Cuts and Jobs Act, Global Intangible Low-Taxed Income, Income Tax Expense |  |  |  |  |  | 0.9 |  |  |
Operating Loss Carryforwards, Valuation Allowance | $ 60.0 |  |  |  |  | 60.0 | 117.4 |  |
Income (Loss) from Continuing Operations before Equity Method Investments, Income Taxes, Noncontrolling Interest |  |  |  |  |  |  | (1.5) |  |
Earnings (loss) from continuing operations before income taxes |  |  |  |  |  | 26.0 | (1.5) | 87.9 |
Remeasurement expense |  |  |  |  |  |  | 5.7 |  |
Provision (benefit) for income taxes |  |  |  |  |  | 10.4 | 3.5 | 35.4 |
Tax Adjustments, Settlements, and Unusual Provisions |  | $ 0.5 |  |  |  |  |  |  |
State Sales Tax Assessment [Member] | Wisconsin [Member] |  |  |  |  |  |  |  |  |
Loss Contingencies [Line Items] |  |  |  |  |  |  |  |  |
Provision (benefit) for income taxes |  |  |  |  |  | $ 8.1 |  |  |
Pension Plans [Member] | U.S. [Member] |  |  |  |  |  |  |  |  |
Loss Contingencies [Line Items] |  |  |  |  |  |  |  |  |
Settlement charge |  |  |  |  |  |  | $ 57.3 | $ 0.0 |
Book Clubs |  |  |  |  |  |  |  |  |
Income Tax And Non Income Tax Disclosure [Abstract] |  |  |  |  |  |  |  |  |
States with sales tax remitted (in states) | state |  |  |  |  |  | 39 |  |  |

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