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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