Line items represent financial concepts included in a table. These concepts are used to disclose reportable information associated with domain members defined in one or many axes to the table.

No definition available.

+ Details

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- Definition

Amount of loss contingency liability expected to be resolved within one year or the normal operating cycle, if longer.

+ References

Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 450
-SubTopic 20
-Section 50
-Paragraph 1
-URI http://asc.fasb.org/extlink&oid=118942415&loc=d3e14326-108349

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- Definition

Reflects the estimated amount of loss from the specified contingency as of the balance sheet date.

+ References

Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 450
-SubTopic 20
-Section 50
-Paragraph 4
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Reference 3: http://www.xbrl.org/2003/role/disclosureRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 460
-SubTopic 10
-Section 50
-Paragraph 2
-URI http://asc.fasb.org/extlink&oid=118943654&loc=d3e12021-110248

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- Definition

The deductible retentions per occurrence for auto, workers' compensation and general liability insurance programs.

+ References

No definition available.

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Namespace Prefix:	uscr_
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COMMITMENTS AND CONTINGENCIES (Details) - USD ($) $ in Millions	Mar. 31, 2020	Dec. 31, 2019
Insurance Claims
Loss Contingencies [Line Items]
Amount accrued for self-insurance claims	$ 24.3	$ 23.3
Performance bonds
Loss Contingencies [Line Items]
Contingent liability for performance	16.4
Minimum \| Workers' Compensation Insurance and General Liability
Loss Contingencies [Line Items]
Deductible retention per occurrence	1.0
Minimum \| Automobile Insurance
Loss Contingencies [Line Items]
Deductible retention per occurrence	2.0
Maximum \| Workers' Compensation Insurance and General Liability
Loss Contingencies [Line Items]
Deductible retention per occurrence	2.0
Maximum \| Automobile Insurance
Loss Contingencies [Line Items]
Deductible retention per occurrence	$ 10.0