Note 7 - Other Costs	3 Months Ended
Mar. 31, 2022
Notes to Financial Statements
Other Income and Other Expense Disclosure [Text Block]	7. Other Costs Other costs included in the condensed consolidated statements of operations for the quarter ended March 31, 2022 primarily consisted of non-recurring legal fees related to the lawsuits discussed in Note 18. Other costs included in the condensed consolidated statements of operations for the quarter ended March 31, 2021 primarily consisted of $66 million in net settlement charges incurred during 2021 as further described in Note 18 and non-recurring legal and accounting fees related to the Audit/Compliance Committee’s independent investigation of prior-period reporting for the former Heavy Civil operating group, which was completed in early 2021.

The entire disclosure for other income or other expense items (both operating and nonoperating). Sources of nonoperating income or nonoperating expense that may be disclosed, include amounts earned from dividends, interest on securities, profits (losses) on securities, net and miscellaneous other income or income deductions.

Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 720
-URI https://asc.fasb.org/topic&trid=2122503

Reference 2: http://fasb.org/us-gaap/role/ref/legacyRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 610
-URI https://asc.fasb.org/topic&trid=49130413

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