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v3.21.2

Business Segment, Geographic Area, and Significant Customer Information - Reconciliation of Segment Gross Profit to Consolidated Net Income (Detail) - USD ($) $ in Millions | 3 Months Ended | 9 Months Ended
--- | --- | ---
Sep. 30, 2021 | Jun. 30, 2021 | Mar. 31, 2021 | Sep. 30, 2020 | Jun. 30, 2020 | Mar. 31, 2020 | Sep. 30, 2021 | Sep. 30, 2020
Segment Reporting Information [Line Items] |  |  |  |  |  |  |  |
Gross profit | $ 348.4 |  |  | $ 262.0 |  |  | $ 1,025.7 | $ 747.9
Research and development | 51.7 |  |  | 42.5 |  |  | 148.9 | 127.7
Selling, general and administrative | 95.8 |  |  | 87.0 |  |  | 288.9 | 260.3
Acquisition and integration costs | 8.6 |  |  | 0.5 |  |  | 20.8 | 3.4
Restructuring and other | 2.0 |  |  | 3.1 |  |  | 9.9 | 6.8
Amortization of intangible assets | 15.0 |  |  | 12.5 |  |  | 40.1 | 42.6
Asset impairment |  |  |  |  |  |  |  | 1.2
COVID-19 related net credits |  |  |  |  |  |  |  | (1.2)
Income from operations | 175.3 |  |  | 116.4 |  |  | 517.1 | 307.1
Interest income | 0.1 |  |  | 0.1 |  |  | 0.4 | 1.1
Interest expense | 6.3 |  |  | 6.6 |  |  | 19.1 | 22.7
Other expense, net | 2.9 |  |  | 1.1 |  |  | 11.5 | 3.0
Income before income taxes | 166.2 |  |  | 108.8 |  |  | 486.9 | 282.5
Provision for income taxes | 33.8 |  |  | 17.1 |  |  | 85.7 | 48.0
Net income | 132.4 | $ 146.5 | $ 122.3 | 91.7 | $ 73.7 | $ 69.1 | 401.2 | 234.5
Vacuum & Analysis [Member] |  |  |  |  |  |  |  |
Segment Reporting Information [Line Items] |  |  |  |  |  |  |  |
Gross profit | 226.3 |  |  | 163.5 |  |  | 643.8 | 444.1
Light & Motion [Member] |  |  |  |  |  |  |  |
Segment Reporting Information [Line Items] |  |  |  |  |  |  |  |
Gross profit | 100.6 |  |  | 76.0 |  |  | 272.6 | 227.8
Equipment & Solutions [Member] |  |  |  |  |  |  |  |
Segment Reporting Information [Line Items] |  |  |  |  |  |  |  |
Gross profit | $ 21.5 |  |  | $ 22.5 |  |  | $ 109.3 | $ 76.0

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