Income Taxes - Additional Information (Detail)	6 Months Ended
Nov. 30, 2019	Nov. 30, 2018
Income Tax Disclosure [Abstract]
Estimated annual effective income tax rate	24.80%	23.40%

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