Basis of Presentation (Details) - Carthage Crushed Limestone - USD ($) $ in Millions		3 Months Ended	6 Months Ended
Jul. 01, 2020	Jun. 30, 2021	Jun. 30, 2021
Ownership acquired (as a percent)	100.00%
Cash paid for acquisition	$ 8.4
Revenue of business acquisition		$ 2.5	$ 4.7

Percentage of voting equity interests acquired at the acquisition date in the business combination.

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- Definition

This element represents the amount of revenue of the acquiree since the acquisition date included in the consolidated income statement for the reporting period.

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- Definition

The cash outflow associated with the acquisition of business during the period. The cash portion only of the acquisition price.

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