Restructurings and Other - Additional Information (Detail) - USD ($) $ in Millions	3 Months Ended
Mar. 31, 2020	Mar. 31, 2019
Restructuring Cost and Other Cost [Line Items]
Restructuring charges	$ 0.9	$ 0.2
Newport Corporation
Restructuring Cost and Other Cost [Line Items]
Insurance reimbursement received	$ 0.5
Legal settlement from a contractual obligation		$ 1.7

Amount of expenses associated with exit or disposal activities pursuant to an authorized plan. Excludes expenses related to a discontinued operation or an asset retirement obligation.

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Reference 3: http://fasb.org/us-gaap/role/ref/legacyRef
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Data Type:	xbrli:monetaryItemType
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Period Type:	duration