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Components of Purchase Price Allocation (Detail) - USD ($) $ in Thousands | Sep. 30, 2015 | Mar. 31, 2015 | Nov. 14, 2014
--- | --- | --- | ---
Business Acquisition [Line Items] |  |  |
Intangible Assets | $ 56,200 |  |
Goodwill | $ 133,885 | $ 132,515 |
CRS Proppants [Member] |  |  |
Business Acquisition [Line Items] |  |  |
Cash and cash equivalents |  |  | $ 219
Accounts Receivable |  |  | 14,640
Inventories |  |  | 9,627
Prepaid and Other Assets |  |  | 753
Property and Equipment |  |  | 192,738
Intangible Assets |  |  | 56,200
Indemnity under Sales Agreement |  |  | 14,810
Accounts Payable and Accrued Liabilities |  |  | (6,928)
Obligations under Long-term Sales Agreements |  |  | (28,131)
Asset Retirement Obligation |  |  | (4,112)
Deferred Taxes |  |  | (13,765)
Total Net Assets |  |  | 236,051
Total Estimated Purchase Price |  |  | $ 236,051

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