Restructurings and Other - Additional Information (Detail) - USD ($) $ in Millions	3 Months Ended	9 Months Ended
Sep. 30, 2020	Sep. 30, 2019	Sep. 30, 2020	Sep. 30, 2019
Restructuring Cost and Other Cost [Line Items]
Restructuring charges	$ 0.8	$ 1.5	$ 1.4	$ 3.0
Other restructuring charges, facility cost	$ 2.3		5.9
Newport Corporation
Restructuring Cost and Other Cost [Line Items]
Insurance reimbursement received			$ 0.5
Legal settlement from a contractual obligation		$ 1.7		$ 1.7

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

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