Income Taxes and Other Taxes (Details)	3 Months Ended	9 Months Ended
Feb. 28, 2019 USD ($)	Feb. 28, 2019 USD ($)
Income Tax And Non Income Tax Disclosure [Abstract]
Effective income tax rate (percentage)	39.40%	60.30%
Loss Contingencies [Line Items]
Provisional tax benefit		$ 500,000.0
Wisconsin \| State Sales Tax Assessment
Loss Contingencies [Line Items]
Sales payable	$ 5,400,000	$ 5,400,000

-- None. No documentation exists for this element. --

No definition available.

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- Definition

Tax Cuts and Jobs Act, Incomplete Accounting, Change in Tax Rate, Deferred Tax Asset, Provisional Income Tax Expense

+ References

No definition available.

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- Definition

Percentage of current income tax expense (benefit) and deferred income tax expense (benefit) pertaining to continuing operations.

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Line items represent financial concepts included in a table. These concepts are used to disclose reportable information associated with domain members defined in one or many axes to the table.

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No definition available.

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Carrying value as of the balance sheet date of liabilities incurred through that date and payable for statutory sales and use taxes, including value added tax.

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