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Business Segments (Narrative) (Details) - segment	3 Months Ended		9 Months Ended
	Sep. 30, 2024	Sep. 30, 2023	Sep. 30, 2024	Sep. 30, 2023
Segment Reporting [Abstract]
Number of reportable segments			3
Revenue Benchmark | Customer Concentration Risk | Civil, Building, And Specialty Contractors
Revenues from External Customers and Long-Lived Assets [Line Items]
Concentration risk, percentage	16.90%	13.80%	18.20%	16.00%

X

- Definition

For an entity that discloses a concentration risk in relation to quantitative amount, which serves as the "benchmark" (or denominator) in the equation, this concept represents the concentration percentage derived from the division.

+ References

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Number of segments reported by the entity. A reportable segment is a component of an entity for which there is an accounting requirement to report separate financial information on that component in the entity's financial statements.

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