Discontinued Operations - Schedule of Amounts Included in Discontinued Operations (Details) - USD ($) $ in Millions	3 Months Ended
	Mar. 31, 2023	Mar. 31, 2022
Income Statement, Balance Sheet and Additional Disclosures by Disposal Groups, Including Discontinued Operations [Line Items]
Earnings from discontinued operations, net of tax	$ (1.2)	$ 66.8
Gain on disposition of discontinued operations, net of tax	0.0	1,717.3
Net earnings from discontinued operations	(1.2)	1,784.1
Held-for-sale or Disposed of by Sale | TransCore and Zetec
Income Statement, Balance Sheet and Additional Disclosures by Disposal Groups, Including Discontinued Operations [Line Items]
Net revenues		100.4
Cost of sales		71.2
Gross profit		29.2
Selling, general and administrative expenses		19.9
Income from operations		9.3
Other income, net		0.1
Earnings before income taxes		9.4
Income taxes		(6.2)
Earnings from discontinued operations, net of tax		15.6
Gain on disposition of discontinued operations, net of tax		1,717.3
Net earnings from discontinued operations		1,732.9
Stock-based compensation expense		4.5
Held-for-sale or Disposed of by Sale | TransCore and Zetec | Selling, General and Administrative Expenses
Income Statement, Balance Sheet and Additional Disclosures by Disposal Groups, Including Discontinued Operations [Line Items]
Stock-based compensation expense		0.9
Held-for-sale or Disposed of by Sale | Industrial Businesses
Income Statement, Balance Sheet and Additional Disclosures by Disposal Groups, Including Discontinued Operations [Line Items]
Net revenues	0.0	246.8
Cost of sales	0.0	113.9
Gross profit	0.0	132.9
Selling, general and administrative expenses	1.2	67.7
Income from operations	(1.2)	65.2
Other income, net	0.0	0.2
Earnings before income taxes	(1.2)	65.4
Income taxes	0.0	14.2
Earnings from discontinued operations, net of tax	$ (1.2)	51.2
Stock-based compensation expense		2.9
Depreciation and amortization		$ 3.9