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Goodwill And Intangible Assets - Additional Information (Detail) - USD ($) $ in Thousands | 1 Months Ended | 3 Months Ended | 6 Months Ended | 12 Months Ended |
--- | --- | --- | --- | --- | ---
Jul. 31, 2015 | Sep. 30, 2015 | Sep. 30, 2015 | Mar. 31, 2015 | Jul. 30, 2012
Finite Lived Intangible Assets [Line Items] |  |  |  |  |
Impairment of Intangible Assets |  | $ 28,354 | $ 28,354 |  |
Intangible Assets, Amortization |  |  | 8,314 | $ 5,700 |
Amortization expense, expected, for the remainder of the fiscal year 2016 |  | 4,900 | 4,900 |  |
Amortization expense, expected, for fiscal year 2017 |  | 9,200 | 9,200 |  |
Amortization expense, expected, for fiscal year 2018 |  | 3,200 | 3,200 |  |
Amortization expense, expected, for fiscal year 2019 |  | 3,200 | 3,200 |  |
Amortization expense, expected, for fiscal year 2020 |  | 2,200 | 2,200 |  |
Finite-Lived Intangible Assets, Amortization Expense, after Year Five |  | 1,300 | 1,300 |  |
Skyway Plant [Member] |  |  |  |  |
Finite Lived Intangible Assets [Line Items] |  |  |  |  |
Approximate increase in goodwill during period | $ 1,400 |  |  |  |
Sand [Member] |  |  |  |  |
Finite Lived Intangible Assets [Line Items] |  |  |  |  |
Customer advances |  | 12,500 | 12,500 |  | $ 15,000
Customer Contracts And Relationships [Member] |  |  |  |  |
Finite Lived Intangible Assets [Line Items] |  |  |  |  |
Impairment of Intangible Assets |  |  | 28,354 |  |
Intangible Assets, Net |  | 21,256 | 21,256 | $ 56,066 |
Intangible Assets, Amortization |  |  | 7,656 |  |
Customer Contracts And Relationships [Member] | Skyway Plant [Member] |  |  |  |  |
Finite Lived Intangible Assets [Line Items] |  |  |  |  |
Finite-lived intangible assets acquired | $ 1,200 |  |  |  |
Oil and Gas Proppants [Member] | Customer Contracts And Relationships [Member] |  |  |  |  |
Finite Lived Intangible Assets [Line Items] |  |  |  |  |
Intangible Assets, Net |  | $ 16,200 | $ 16,200 |  |

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- Definition The aggregate expense charged against earnings to allocate the cost of intangible assets (nonphysical assets not used in production) in a systematic and rational manner to the periods expected to benefit from such assets. As a noncash expense, this element is added back to net income when calculating cash provided by or used in operations using the indirect method. + References Reference 1: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 350 -SubTopic 30 -Section 45 -Paragraph 2 -URI http://asc.fasb.org/extlink&oid=6388964&loc=d3e16225-109274 Reference 2: 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 Reference 3: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 350 -SubTopic 30 -Section 50 -Paragraph 2 -Subparagraph (a)(2) -URI http://asc.fasb.org/extlink&oid=26713463&loc=d3e16323-109275 + Details
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- Definition The current portion of prepayments received from customers for goods or services to be provided in the future. + References Reference 1: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 210 -SubTopic 10 -Section S99 -Paragraph 1 -Subparagraph (SX 210.5-02.20) -URI http://asc.fasb.org/extlink&oid=6877327&loc=d3e13212-122682 + Details
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