Business combinations.

No definition available.

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- Definition

Increase decrease in cost of sales.

+ References

No definition available.

+ Details

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- Definition

Date when the acquirer obtains control of the acquiree, in CCYY-MM-DD format.

+ References

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-Publisher FASB
-Name Accounting Standards Codification
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- Definition

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

+ References

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- Definition

This element represents acquisition-related costs incurred to effect a business combination which costs have been expensed during the period. Such costs include finder's fees; advisory, legal, accounting, valuation, and other professional or consulting fees; general administrative costs, including the costs of maintaining an internal acquisitions department; and may include costs of registering and issuing debt and equity securities.

+ References

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- Definition

Amount of gain (loss) from sale and disposal of integrated set of activities and assets capable of being conducted and managed for purpose of providing return in form of dividend, lower cost, or other economic benefit to investor, owner, member and participant.

+ References

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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.

+ References

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- Definition

Amount, excluding tax collected from customer, of revenue from satisfaction of performance obligation by transferring promised good or service to customer. Tax collected from customer is tax assessed by governmental authority that is both imposed on and concurrent with specific revenue-producing transaction, including, but not limited to, sales, use, value added and excise.

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Business Combination - Additional Information (Details) - USD ($)		3 Months Ended		6 Months Ended
	Apr. 27, 2018	Jun. 30, 2018	Jun. 30, 2017	Jun. 30, 2018	Jun. 30, 2017
Business Combinations [Line Items]
Business acquisition in cash				$ 1,645,698,000	$ 2,200,000
Service revenues		$ 1,202,403,000	$ 1,063,524,000	2,004,407,000	1,907,383,000
Acquisition-related expenses		12,126,000	$ 1,982,000	12,836,000	2,004,000
Bluegrass Materials Company
Business Combinations [Line Items]
Date of acquisition	Apr. 27, 2018
Business acquisition in cash	$ 1,623,000,000
Gain on sale of business					14,785,000
Company acquired voting interest	100.00%
Service revenues		46,351,000		6,745,000
Acquisition-related expenses		$ 26,911,000		$ 27,621,000	26,100,000
Increase in cost of sales					$ 19,893,000
Bluegrass Materials Company \| Forsyth Quarry
Business Combinations [Line Items]
Gain on sale of business	$ 14,785,000
Bluegrass Materials Company \| Beaver Creek
Business Combinations [Line Items]
Gain on sale of business	$ 0