Business Segment, Geographic Area, Product Information and Significant Customer Information - Schedule of Capital Expenditures, Depreciation and Amortization Expense of Intangible Assets by Reportable Segment (Detail) - USD ($) $ in Millions	12 Months Ended
	Dec. 31, 2021	Dec. 31, 2020	Dec. 31, 2019
Segment Reporting Information [Line Items]
Capital expenditures	$ 86.7	$ 84.9	$ 63.9
Depreciation and amortization	104.1	99.2	110.0
Vacuum & Analysis [Member]
Segment Reporting Information [Line Items]
Capital expenditures	36.6	36.0	34.1
Depreciation and amortization	22.9	20.3	16.8
Light & Motion [Member]
Segment Reporting Information [Line Items]
Capital expenditures	37.1	32.1	23.0
Depreciation and amortization	46.0	43.2	53.9
Equipment & Solutions [Member]
Segment Reporting Information [Line Items]
Capital expenditures	13.0	16.8	6.8
Depreciation and amortization	$ 35.2	$ 35.7	$ 39.3