Discontinued Operations - Schedule of Amounts Included in Discontinued Operations (Details) - USD ($)		3 Months Ended								12 Months Ended
	Nov. 22, 2022	Dec. 31, 2022	Sep. 30, 2022	Jun. 30, 2022	Mar. 31, 2022	Dec. 31, 2021	Sep. 30, 2021	Jun. 30, 2021	Mar. 31, 2021	Dec. 31, 2022	Dec. 31, 2021	Dec. 31, 2020
Income Statement, Balance Sheet and Additional Disclosures by Disposal Groups, Including Discontinued Operations [Line Items]
Earnings from discontinued operations, net of tax										$ 202,800,000	$ 291,400,000	$ 275,900,000
Gain on disposition of discontinued operations, net of tax										3,356,300,000	55,900,000	0
Net earnings from discontinued operations		$ 1,681,100,000	$ 50,100,000	$ 43,800,000	$ 1,784,100,000	$ 120,700,000	$ 78,700,000	$ 81,900,000	$ 66,000,000.0	3,559,100,000	347,300,000	275,900,000
Held-for-sale or Disposed of by Sale | TransCore Holdings Inc, Zetec, and Civco Radiotherapy
Income Statement, Balance Sheet and Additional Disclosures by Disposal Groups, Including Discontinued Operations [Line Items]
Net revenues										100,400,000	638,000,000.0	672,900,000
Cost of sales										71,200,000	372,900,000	400,700,000
Gross profit										29,200,000	265,100,000	272,200,000
Selling, general and administrative expenses										19,900,000	124,000,000.0	114,600,000
Income from operations										9,300,000	141,100,000	157,600,000
Other income, net										100,000	1,500,000	300,000
Earnings before income taxes										9,400,000	142,600,000	157,900,000
Income taxes										(6,200,000)	28,500,000	33,700,000
Earnings from discontinued operations, net of tax										15,600,000	114,100,000	124,200,000
Gain on disposition of discontinued operations, net of tax										1,717,500,000	55,900,000	0
Net earnings from discontinued operations										1,733,100,000	170,000,000.0	124,200,000
Stock-based compensation expense										4,500,000	900,000
Depreciation and amortization										0	5,200,000	7,900,000
Held-for-sale or Disposed of by Sale | TransCore Holdings Inc, Zetec, and Civco Radiotherapy | Selling, General and Administrative Expenses
Income Statement, Balance Sheet and Additional Disclosures by Disposal Groups, Including Discontinued Operations [Line Items]
Stock-based compensation expense										900,000	5,400,000	4,800,000
Held-for-sale or Disposed of by Sale | Indicor
Income Statement, Balance Sheet and Additional Disclosures by Disposal Groups, Including Discontinued Operations [Line Items]
Net revenues										916,100,000	944,000,000.0	831,800,000
Cost of sales										432,100,000	434,200,000	389,300,000
Gross profit										484,000,000.0	509,800,000	442,500,000
Selling, general and administrative expenses										250,500,000	265,700,000	251,900,000
Impairment of intangible assets										0	5,100,000	0
Income from operations										233,500,000	239,000,000.0	190,600,000
Other income, net										(700,000)	100,000	(500,000)
Earnings before income taxes	$ 2,046,000,000									232,800,000	239,100,000	190,100,000
Income taxes	$ 407,200,000									45,600,000	61,800,000	38,400,000
Earnings from discontinued operations, net of tax										187,200,000	177,300,000	151,700,000
Gain on disposition of discontinued operations, net of tax										1,638,800,000	0	0
Net earnings from discontinued operations										1,826,000,000	177,300,000	151,700,000
Stock-based compensation expense										10,300,000	13,100,000	8,700,000
Depreciation and amortization										$ 6,400,000	$ 18,200,000	$ 21,300,000