Segment Results - Summary (Details) - USD ($) $ in Millions	3 Months Ended		6 Months Ended
	Jun. 30, 2021	Jun. 30, 2020	Jun. 30, 2021	Jun. 30, 2020
Segment Reporting [Abstract]
Increase to revenue as a result of deferred revenue fair value adjustment, net of tax	$ 1,279.1	$ 1,025.4	$ 2,408.6	$ 1,642.2
Adjusted EBITDA	329.7	243.1	608.4	370.8
Less items to reconcile Segment Adjusted EBITDA to Income (Loss) Before Income Taxes:
Interest expense	22.7	30.8	45.8	57.9
Restructuring and related business transformation costs	6.7	31.0	9.4	69.6
Acquisition and other transaction related expenses and non-cash charges	15.3	12.8	23.6	67.8
Stock-based compensation			43.1	15.4
Foreign currency transaction losses, net	3.4	4.9	(14.7)	6.9
Loss on extinguishment of debt	0.0	0.0	0.0	2.0
Income (Loss) from Continuing Operations Before Income Taxes	151.5	(73.5)	252.2	(181.7)
Provision for income taxes	12.5	78.4	23.1	11.5
Loss on equity method investments	(0.7)	0.0	(0.7)	0.0
Income (Loss) from Continuing Operations	138.3	(151.9)	228.4	(193.2)
Income (loss) from discontinued operations, net of tax	96.3	(24.6)	(83.9)	(20.2)
Net Income (Loss)	234.6	(176.5)	144.5	(213.4)
Depreciation of rental equipment	1.0	0.4	2.0	0.9
Restructuring Costs [Abstract]
Restructuring charges	6.8	29.4	9.2	67.4
Facility reorganization, relocation and other costs	0.0	0.1	0.0	0.5
Other, net	(0.1)	1.5	0.2	1.7
Total restructuring and related business transformation costs	6.7	31.0	9.4	69.6
Stock-based compensation expense recognized in continuing operations	21.5	12.1	43.1	15.4
Increase in stock-based compensation expense due to costs associated with employer taxes				(0.5)
Industrial Technologies and Services
Segment Reporting [Abstract]
Increase to revenue as a result of deferred revenue fair value adjustment, net of tax	1,047.5	829.6	1,961.3	1,333.6
Precision and Science Technologies
Segment Reporting [Abstract]
Increase to revenue as a result of deferred revenue fair value adjustment, net of tax	231.6	195.8	447.3	308.6
Operating Segments | Industrial Technologies and Services
Segment Reporting [Abstract]
Increase to revenue as a result of deferred revenue fair value adjustment, net of tax	1,047.5	829.6	1,961.3	1,333.6
Adjusted EBITDA	258.6	183.8	470.1	278.6
Operating Segments | Precision and Science Technologies
Segment Reporting [Abstract]
Increase to revenue as a result of deferred revenue fair value adjustment, net of tax	231.6	195.8	447.3	308.6
Adjusted EBITDA	71.1	59.3	138.3	92.2
Corporate expenses not allocated to segments
Less items to reconcile Segment Adjusted EBITDA to Income (Loss) Before Income Taxes:
Corporate expenses not allocated to segments	37.6	25.6	72.3	41.1
Segment Reconciling Items
Less items to reconcile Segment Adjusted EBITDA to Income (Loss) Before Income Taxes:
Interest expense	22.7	30.8	45.8	57.9
Depreciation and amortization expenses	101.3	118.9	205.8	177.9
Restructuring and related business transformation costs	6.7	31.0	9.4	69.6
Acquisition and other transaction related expenses and non-cash charges	14.3	90.3	24.8	179.8
Stock-based compensation	21.5	12.1	43.1	14.9
Foreign currency transaction losses, net	3.4	4.9	(14.7)	6.9
Loss on extinguishment of debt	0.0	0.0	0.0	2.0
Gain on settlement of post-acquisition contingencies	(30.1)	0.0	(30.1)	0.0
Other adjustments	0.8	3.0	(0.2)	2.4
Income (Loss) from Continuing Operations Before Income Taxes	151.5	(73.5)	252.2	(181.7)
Restructuring Costs [Abstract]
Total restructuring and related business transformation costs	$ 6.7	$ 31.0	$ 9.4	$ 69.6