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Business Segments (Narrative) (Details) - segment	12 Months Ended
Business Segments (Narrative) (Details) - segment	Dec. 31, 2025	Dec. 31, 2024	Dec. 31, 2023
Segment Reporting [Abstract]
Number of reportable segments	3
Revenues from External Customers and Long-Lived Assets
Number of reportable segments	3
Revenue Benchmark \| Customer Concentration Risk \| Civil, Building, and Specialty Contractors \| Customer One
Revenues from External Customers and Long-Lived Assets
Concentration risk, percentage	14.10%	17.60%	16.30%
Revenue Benchmark \| Customer Concentration Risk \| Civil, Building, and Specialty Contractors \| Customer Two
Revenues from External Customers and Long-Lived Assets
Concentration risk, percentage	11.40%

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.

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