Subsequent Events (Details)	Aug. 27, 2021
AZZ Inc.
Subsequent Event [Line Items]
Noncontrolling interest, ownership percentage by noncontrolling owners	40.00%
Unrelated Chinese Entity
Subsequent Event [Line Items]
Noncontrolling interest, ownership percentage by parent	60.00%

Detail information of subsequent event by type. User is expected to use existing line items from elsewhere in the taxonomy as the primary line items for this disclosure, which is further associated with dimension and member elements pertaining to a subsequent event.

No definition available.

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Namespace Prefix:	us-gaap_
Data Type:	xbrli:stringItemType
Balance Type:	na
Period Type:	duration