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v3.20.1

Realignment Costs - Additional Information (Detail) | 3 Months Ended
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Mar. 31, 2020 USD ($)
Restructuring Cost and Reserve [Line Items] |
Restructuring charges | $ (43,900,000)
Reduction In Workforce [Member] |
Restructuring Cost and Reserve [Line Items] |
Restructuring charges | 43,900,000
Effect On Net Income Loss | (33,600,000)
Effect On Earnings Per Share Diluted | (0.15)
Electronic Instruments Group [Member] | Reduction In Workforce [Member] | Operating Segments [Member] |
Restructuring Cost and Reserve [Line Items] |
Restructuring charges | 22,800,000
Electromechanical Group [Member] | Reduction In Workforce [Member] | Operating Segments [Member] |
Restructuring Cost and Reserve [Line Items] |
Restructuring charges | 20,900,000
Cost of Sales, Excluding Depreciation [Member] | Reduction In Workforce [Member] |
Restructuring Cost and Reserve [Line Items] |
Restructuring charges | 43,700,000
Selling, General and Administrative Expenses [Member] | Reduction In Workforce [Member] |
Restructuring Cost and Reserve [Line Items] |
Restructuring charges | $ 200,000

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