Restructuring and Exit Costs - Additional Information (Detail) (USD $)
In Millions, unless otherwise specified
12 Months Ended
Dec. 31, 2013
Shale Solutions
 
Restructuring Cost and Reserve [Line Items]  
Restructuring and exit costs $ 0.5
Accrued liabilities related to restructuring charge 0.6
Tuscaloosa Marine Shale
 
Restructuring Cost and Reserve [Line Items]  
Restructuring and exit costs $ 1.4