Amount after accumulated impairment loss of an asset representing future economic benefits arising from other assets acquired in a business combination that are not individually identified and separately recognized.

Reference 1: http://www.xbrl.org/2003/role/disclosureRef
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-Name Accounting Standards Codification
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Name:	us-gaap_Goodwill
Namespace Prefix:	us-gaap_
Data Type:	xbrli:monetaryItemType
Balance Type:	debit
Period Type:	instant

Business Segment Information - Goodwill (Detail) - USD ($) $ in Thousands	Dec. 31, 2021	Dec. 31, 2020	Dec. 31, 2019
Segment Reporting Information [Line Items]
Goodwill	$ 161,183	$ 161,820	$ 152,020
Engineered Systems Segment [Member]
Segment Reporting Information [Line Items]
Goodwill	99,303	99,785
Industrial Process Solutions Segment [Member]
Segment Reporting Information [Line Items]
Goodwill	$ 61,880	$ 62,035