Number of Divestitures

No definition available.

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- Definition

Amount of consideration transferred, consisting of acquisition-date fair value of assets transferred by the acquirer, liabilities incurred by the acquirer, and equity interest issued by the acquirer.

+ References

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-Publisher FASB
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- Definition

Amount of increase in asset representing future economic benefits arising from other assets acquired in a business combination that are not individually identified and separately recognized resulting from a business combination.

+ References

Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 350
-SubTopic 20
-Section 50
-Paragraph 1
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- Definition

The number of businesses acquired by the entity during the period.

+ References

No definition available.

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- Definition

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.

+ References

No definition available.

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Acquisitions and Divestitures - Narrative (Details) $ in Millions	3 Months Ended		6 Months Ended
	Jun. 30, 2019 USD ($) businesses_divested	Jun. 30, 2018 businesses_divested	Jun. 30, 2019 USD ($) businesses_divested	Jun. 30, 2018 USD ($) businesses_divested
Segment Reporting Information [Line Items]
Number of Businesses Acquired	2	0	2	1
Number of Divestitures \| businesses_divested	0	0	0	0
Inland barge and construction aggregates businesses \| Transportation Products Group and Construction Products Group
Segment Reporting Information [Line Items]
Acquisition price			$ 29.8
Inland barge business \| Transportation Products Group
Segment Reporting Information [Line Items]
Acquisition price				$ 25.0
Goodwill acquired	$ 12.1			$ 9.5
Construction aggregates \| Construction Products Group
Segment Reporting Information [Line Items]
Goodwill acquired	$ 0.0