Income Taxes - Additional Information (Detail)	9 Months Ended
Feb. 29, 2020	Feb. 28, 2019
Income Tax Disclosure [Abstract]
Estimated annual effective income tax rate	24.60%	23.30%

The entity's estimated annual effective income tax rate.

No definition available.

Name:	wor_EstimatedAnnualEffectiveTaxRateForContinuingOperations
Namespace Prefix:	wor_
Data Type:	num:percentItemType
Balance Type:	na
Period Type:	duration