Business Acquisition, Price of Acquired Entity, Net

No definition available.

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- Definition

Finite Lived Intangible Liabilities

+ 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.

+ Details

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- Definition

Amount of assets that are expected to be realized or consumed within one year or the normal operating cycle, if longer, acquired at the acquisition date.

+ References

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-Publisher FASB
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- Definition

The portion of profit or loss for the period, net of income taxes, which is attributable to the parent.

+ References

Reference 1: http://www.xbrl.org/2003/role/presentationRef
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- Definition

Amount of revenue recognized from goods sold, services rendered, insurance premiums, or other activities that constitute an earning process. Includes, but is not limited to, investment and interest income before deduction of interest expense when recognized as a component of revenue, and sales and trading gain (loss).

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Acquisition of Shoal Creek Mine - Textuals (Details) - USD ($) $ in Millions	3 Months Ended
	Mar. 31, 2019	Mar. 31, 2018	Feb. 22, 2019	Dec. 31, 2018	Dec. 03, 2018
Business Acquisition [Line Items]
Finite Lived Intangible Liabilities	$ 79.1			$ 90.0
Revenues	1,250.6	$ 1,462.7
Net income attributable to common stockholders	$ 124.2	$ 106.6
Shoal Creek
Business Acquisition [Line Items]
Working Capital Adjustment			$ 2.4
Finite Lived Intangible Liabilities					$ 3.5
Drummond Company, Inc.
Business Acquisition [Line Items]
Purchase price					$ 387.4