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Business Segment, Geographic Area, Product/Service Offerings and Significant Customer Information - Schedule of Capital Expenditures, Depreciation and Amortization Expense of Intangible Assets by Reportable Segment (Detail) - USD ($) $ in Millions | 3 Months Ended
--- | ---
Mar. 31, 2020 | Mar. 31, 2019
Segment Reporting Information [Line Items] |  |
Capital expenditures | $ 10.0 | $ 14.5
Depreciation and amortization | 28.4 | 25.2
Vacuum & Analysis [Member] |  |
Segment Reporting Information [Line Items] |  |
Capital expenditures | 4.1 | 7.5
Depreciation and amortization | 4.9 | 4.1
Light & Motion [Member] |  |
Segment Reporting Information [Line Items] |  |
Capital expenditures | 4.0 | 5.1
Depreciation and amortization | 13.4 | 14.1
Equipment & Solutions [Member] |  |
Segment Reporting Information [Line Items] |  |
Capital expenditures | 1.9 | 1.9
Depreciation and amortization | $ 10.1 | $ 7.0

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- Definition The current period expense charged against earnings on long-lived, physical assets not used in production, and which are not intended for resale, to allocate or recognize the cost of such assets over their useful lives; or to record the reduction in book value of an intangible asset over the benefit period of such asset; or to reflect consumption during the period of an asset that is not used in production. + References Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef -Publisher FASB -Name Accounting Standards Codification -Topic 360 -SubTopic 10 -Section 50 -Paragraph 1 -Subparagraph (a) -URI http://asc.fasb.org/extlink&oid=6391035&loc=d3e2868-110229 Reference 2: http://fasb.org/us-gaap/role/ref/legacyRef -Publisher FASB -Name Accounting Standards Codification -Topic 230 -SubTopic 10 -Section 45 -Paragraph 28 -Subparagraph (b) -URI http://asc.fasb.org/extlink&oid=118932676&loc=d3e3602-108585 + Details
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- Definition The cash outflow associated with the acquisition of long-lived, physical assets that are used in the normal conduct of business to produce goods and services and not intended for resale; includes cash outflows to pay for construction of self-constructed assets. + References Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef -Publisher FASB -Name Accounting Standards Codification -Topic 230 -SubTopic 10 -Section 45 -Paragraph 13 -Subparagraph (c) -URI http://asc.fasb.org/extlink&oid=118932676&loc=d3e3213-108585 + Details
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