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Realignment Costs - Additional Information (Detail)
 3 Months Ended
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