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Acquisitions and Dispositions (Narrative) (Details) - USD ($) $ in Thousands						12 Months Ended
	Jun. 01, 2023	Oct. 01, 2022	Feb. 01, 2022	Dec. 21, 2021	Aug. 31, 2021	Dec. 31, 2023	Dec. 31, 2022	Dec. 31, 2021
Schedule of Business Dispositions, by Dispositions [Line Items]
Gain on sale of business						$ 18,965	$ 225,832	$ 22,085
Volante [Member]
Schedule of Business Dispositions, by Dispositions [Line Items]
Total sale consideration		$ 181,900
Proceeds from sale of business		155,600
Gain on sale of business		$ 118,500
Velocity [Member]
Schedule of Business Dispositions, by Dispositions [Line Items]
Total sale consideration			$ 181,300
Gain on sale of business			$ 107,300
ISIC [Member]
Schedule of Business Dispositions, by Dispositions [Line Items]
Gain on sale of business	$ 16,900
Metromont LLC [Member]
Business Acquisition [Line Items]
Percentage acquired				51.00%
Total purchase consideration				$ 274,500
Cash consideration				274,500
Goodwill recognized				101,600
Total intangible assets				230,000
Goodwill, tax deductible				51,800
Noncontrolling interests				247,400
Metromont LLC [Member] | Customer Relationships [Member]
Business Acquisition [Line Items]
Finite-lived intangible assets				$ 175,000
Definite-lived intangible assets, weighted-average amortization period				17 years
Metromont LLC [Member] | Trade Names [Member]
Business Acquisition [Line Items]
Finite-lived intangible assets				$ 55,000
Definite-lived intangible assets, weighted-average amortization period				15 years
Buckner HeavyLift Cranes [Member]
Business Acquisition [Line Items]
Percentage acquired					90.00%
Total purchase consideration					$ 237,900
Cash consideration					237,900
Goodwill recognized					109,900
Total intangible assets					60,000
Goodwill, tax deductible					0
Noncontrolling interests					26,400
Fixed assets					290,400
Long-term debt					165,100
Buckner HeavyLift Cranes [Member] | Customer Relationships [Member]
Business Acquisition [Line Items]
Finite-lived intangible assets					$ 50,000
Definite-lived intangible assets, weighted-average amortization period					7 years
Buckner HeavyLift Cranes [Member] | Trade Names [Member]
Business Acquisition [Line Items]
Finite-lived intangible assets					$ 10,000
Definite-lived intangible assets, weighted-average amortization period					15 years

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