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Note 9 - Business Segments - Net Capital Expenditures (Details) - USD ($) $ in Millions		9 Months Ended
		Sep. 30, 2025	Sep. 30, 2024
Net capital expenditures	[1]	$ 490.9	$ 488.1
Operating Segments [Member]
Net capital expenditures	[1]	353.5	383.8
Operating Segments [Member] | JBI [Member]
Net capital expenditures	[1]	168.9	207.2
Operating Segments [Member] | DCS [Member]
Net capital expenditures	[1]	172.4	129.7
Operating Segments [Member] | ICS [Member]
Net capital expenditures	[1]	0.9	19.3
Operating Segments [Member] | FMS [Member]
Net capital expenditures	[1]	11.0	13.0
Operating Segments [Member] | JBT [Member]
Net capital expenditures	[1]	0.3	14.6
Segment Reporting, Reconciling Item, Excluding Corporate Nonsegment [Member]
Net capital expenditures	[1]	$ 137.4	$ 104.3
[1] Net capital expenditures report the additions to property and equipment, net of proceeds from the sale of property and equipment.

X

- Definition

Amount of expenditure for addition to long-lived assets included in determination of segment assets by chief operating decision maker (CODM) or otherwise regularly provided to CODM. Excludes expenditure for addition to financial instrument, long-term customer relationship of financial institution, mortgage and other servicing rights, deferred policy acquisition cost, and deferred tax assets.

+ References

Reference 1: http://www.xbrl.org/2003/role/exampleRef
-Topic 280
-SubTopic 10
-Name Accounting Standards Codification
-Section 55
-Paragraph 48
-Publisher FASB
-URI https://asc.fasb.org/1943274/2147482785/280-10-55-48

Reference 2: http://www.xbrl.org/2003/role/exampleRef
-Topic 280
-SubTopic 10
-Name Accounting Standards Codification
-Section 55
-Paragraph 49
-Publisher FASB
-URI https://asc.fasb.org/1943274/2147482785/280-10-55-49

Reference 3: http://www.xbrl.org/2003/role/disclosureRef
-Topic 270
-SubTopic 10
-Name Accounting Standards Codification
-Section 50
-Paragraph 1
-Subparagraph (i)
-Publisher FASB
-URI https://asc.fasb.org/1943274/2147482964/270-10-50-1

Reference 4: http://www.xbrl.org/2003/role/disclosureRef
-Topic 280
-SubTopic 10
-Name Accounting Standards Codification
-Section 50
-Paragraph 32
-Subparagraph (ee)
-Publisher FASB
-URI https://asc.fasb.org/1943274/2147482810/280-10-50-32

Reference 5: http://www.xbrl.org/2003/role/disclosureRef
-Topic 280
-SubTopic 10
-Name Accounting Standards Codification
-Section 50
-Paragraph 25
-Subparagraph (b)
-Publisher FASB
-URI https://asc.fasb.org/1943274/2147482810/280-10-50-25

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