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Bluegrass Acquisition - Summary of Estimated Fair Values of the Assets Acquired and the Liabilities Assumed (Detail) - USD ($) $ in Thousands | Jun. 30, 2019 | Dec. 31, 2018
--- | --- | ---
Assets: |  |
Goodwill | $ 2,394,320 | $ 2,399,118
Bluegrass Materials Company |  |
Assets: |  |
Cash | 1,159 |
Receivables | 25,479 |
Inventory | 46,635 |
Other current assets | 1,029 |
Property, plant and equipment | 1,519,289 |
Intangible assets, other than goodwill | 20,150 |
Goodwill | 242,981 |
Total assets | 1,856,722 |
Liabilities: |  |
Accounts payable and accrued expenses | 17,914 |
Deferred income tax liabilities, net | 212,450 |
Noncontrolling interest | 9,001 |
Total liabilities | 239,365 |
Total consideration | $ 1,617,357 |

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- Definition Amount of currency on hand as well as demand deposits with banks or financial institutions, acquired at the acquisition date. Includes other kinds of accounts that have the general characteristics of demand deposits. Also includes short-term, highly liquid investments that are both readily convertible to known amounts of cash and so near their maturity that they present insignificant risk of changes in value because of changes in interest rates. + References Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef -Publisher FASB -Name Accounting Standards Codification -Topic 805 -SubTopic 20 -Section 50 -Paragraph 1 -Subparagraph (c) -URI http://asc.fasb.org/extlink&oid=116869197&loc=d3e4845-128472 + Details
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