Revenue from Contracts with Customers - Summary of Revenue from Contracts with Customers (Detail) - USD ($) $ in Millions	12 Months Ended
	Dec. 31, 2021	Dec. 31, 2020	Dec. 31, 2019
Disaggregation of Revenue [Line Items]
Net revenues	$ 2,949.6	$ 2,330.0	$ 1,899.8
Products [Member]
Disaggregation of Revenue [Line Items]
Net revenues	2,578.6	2,014.8	1,611.3
Services [Member]
Disaggregation of Revenue [Line Items]
Net revenues	371.0	315.2	288.5
Vacuum & Analysis [Member]
Disaggregation of Revenue [Line Items]
Net revenues	1,861.5	1,405.9	990.5
Vacuum & Analysis [Member] | Products [Member]
Disaggregation of Revenue [Line Items]
Net revenues	1,629.0	1,222.4	819.1
Vacuum & Analysis [Member] | Services [Member]
Disaggregation of Revenue [Line Items]
Net revenues	232.5	183.5	171.4
Light & Motion [Member]
Disaggregation of Revenue [Line Items]
Net revenues	813.4	689.6	725.6
Light & Motion [Member] | Products [Member]
Disaggregation of Revenue [Line Items]
Net revenues	742.5	621.9	663.7
Light & Motion [Member] | Services [Member]
Disaggregation of Revenue [Line Items]
Net revenues	70.9	67.7	61.9
Equipment & Solutions [Member]
Disaggregation of Revenue [Line Items]
Net revenues	274.7	234.5	183.7
Equipment & Solutions [Member] | Products [Member]
Disaggregation of Revenue [Line Items]
Net revenues	207.1	170.5	128.5
Equipment & Solutions [Member] | Services [Member]
Disaggregation of Revenue [Line Items]
Net revenues	$ 67.6	$ 64.0	$ 55.2