Acquisitions - Schedule of Consideration Transferred and the Fair Value Assigned to the Assets Acquired And Liabilities Assumed (Parenthetical) (Detail)	Dec. 31, 2019
Worthington Samuel Coil Processing Llc
Business Acquisition [Line Items]
Net assets, percentage	37.00%

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.

No definition available.

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Balance Type:	na
Period Type:	duration