Operating activities excluded from segment cost of goods sold.

No definition available.

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- Definition

Segment reporting information contribution margin.

+ References

No definition available.

+ Details

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- Definition

The aggregate expense recognized in the current period that allocates the cost of tangible assets, intangible assets, or depleting assets to periods that benefit from use of the assets.

+ References

Reference 1: http://www.xbrl.org/2003/role/presentationRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 230
-SubTopic 10
-Section 45
-Paragraph 28
-Subparagraph (b)
-URI http://asc.fasb.org/extlink&oid=56944662&loc=d3e3602-108585

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- Definition

Difference between the fair value of payments made and the carrying amount of debt which is extinguished prior to maturity.

+ References

Reference 1: http://www.xbrl.org/2003/role/presentationRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 470
-SubTopic 50
-Section 40
-Paragraph 2
-URI http://asc.fasb.org/extlink&oid=49170532&loc=d3e12317-112629

Reference 2: http://www.xbrl.org/2003/role/presentationRef
-Publisher FASB
-Name Accounting Standards Codification
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-Section 45
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-Publisher FASB
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-Topic 470
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-Section 40
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-URI http://asc.fasb.org/extlink&oid=49170532&loc=d3e12355-112629

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- Definition

This element represents the income or loss from continuing operations attributable to the economic entity which may also be defined as revenue less expenses from ongoing operations, after income or loss from equity method investments, but before income taxes, extraordinary items, and noncontrolling interest.

+ References

Reference 1: http://www.xbrl.org/2003/role/presentationRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 940
-SubTopic 20
-Section 25
-Paragraph 1
-URI http://asc.fasb.org/extlink&oid=51673353&loc=d3e41242-110953

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Reference 3: http://www.xbrl.org/2003/role/presentationRef
-Publisher SEC
-Name Regulation S-X (SX)
-Number 210
-Section 03
-Paragraph 10
-Article 5

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- Definition

Amount of the cost of borrowed funds accounted for as interest expense.

+ References

Reference 1: http://www.xbrl.org/2003/role/presentationRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 835
-SubTopic 20
-Section 50
-Paragraph 1
-URI http://asc.fasb.org/extlink&oid=6450988&loc=d3e26243-108391

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-Name Accounting Standards Codification
-Topic 942
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-Section S99
-Paragraph 1
-Subparagraph (SX 210.9-04.9)
-URI http://asc.fasb.org/extlink&oid=6879574&loc=d3e536633-122882

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- Definition

The aggregate amount of other income amounts, the components of which are not separately disclosed on the income statement, resulting from ancillary business-related activities (that is, excluding major activities considered part of the normal operations of the business) also known as other nonoperating income recognized for the period. Such amounts may include: (a) dividends, (b) interest on securities, (c) profits on securities (net of losses), and (d) miscellaneous other income items.

+ References

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- Definition

Total revenue from sale of goods and services rendered during the reporting period, in the normal course of business, reduced by sales returns and allowances, and sales discounts.

+ References

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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

The aggregate total costs related to selling a firm's product and services, as well as all other general and administrative expenses. Direct selling expenses (for example, credit, warranty, and advertising) are expenses that can be directly linked to the sale of specific products. Indirect selling expenses are expenses that cannot be directly linked to the sale of specific products, for example telephone expenses, Internet, and postal charges. General and administrative expenses include salaries of non-sales personnel, rent, utilities, communication, etc.

+ References

Reference 1: http://www.xbrl.org/2003/role/presentationRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 225
-SubTopic 10
-Section S99
-Paragraph 2
-Subparagraph (SX 210.5-03.4)
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-Publisher FASB
-Name Accounting Standards Codification
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-SubTopic 10
-Section 30
-Paragraph 8
-URI http://asc.fasb.org/extlink&oid=51677171&loc=d3e3636-108311

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Segment Reporting - Presentation of Sales and Segment Contribution Margin for Reporting Segments and Other Operating Results (Detail) - USD ($) $ in Thousands	3 Months Ended									12 Months Ended
	Dec. 31, 2015	Sep. 30, 2015	Jun. 30, 2015	Mar. 31, 2015	Dec. 31, 2014	Sep. 30, 2014	Jun. 30, 2014	Mar. 31, 2014	Mar. 31, 2013	Dec. 31, 2015	Dec. 31, 2014	Dec. 31, 2013
Segment Reporting Information
Total sales	$ 136,112	$ 155,408	$ 147,511	$ 203,958	$ 249,589	$ 241,256	$ 205,801	$ 180,095	$ 545,985	$ 642,989	$ 876,741
Selling, general and administrative	(15,682)	(13,559)	(6,575)	(26,961)	(35,659)	(18,600)	(19,267)	(15,445)	(49,759)	(62,777)	(88,971)
Depreciation, depletion and amortization	(16,378)	(15,158)	(13,695)	(13,243)	(12,664)	(12,425)	(10,341)	(9,589)	(36,418)	(58,474)	(45,019)	$ (36,418)
Interest expense	(6,835)	(6,684)	(6,928)	(6,836)	(5,431)	(4,950)	(4,013)	(3,808)	(15,341)	(27,283)	(18,202)
Early extinguishment of debt									(480)	0	0
Other income, net, including interest income	(90)	309	498	11	379	120	221	38	597	728	758
Income before income taxes	$ (19,487)	$ (2,283)	$ 3,611	$ 18,276	$ 38,514	$ 55,704	$ 39,984	$ 24,521	96,017	117	158,723
Operating Segments
Segment Reporting Information
Total sales									545,985	642,989	876,741
Total segment contribution margin									202,899	159,065	317,239
Operating Segments \| Oil and Gas Proppants
Segment Reporting Information
Total sales									347,439	430,435	662,770
Total segment contribution margin									145,916	88,928	256,137
Operating Segments \| Industrial and Specialty Products
Segment Reporting Information
Total sales									198,546	212,554	213,971
Total segment contribution margin									56,983	70,137	61,102
Segment Reconciling Items
Segment Reporting Information
Operating activities excluded from segment cost of goods sold									5,481	11,142	7,082
Selling, general and administrative									49,759	62,777	88,971
Depreciation, depletion and amortization									36,418	58,474	45,019
Interest expense									15,341	27,283	18,202
Early extinguishment of debt									(480)	0	0
Other income, net, including interest income									$ 597	$ 728	$ 758