| 
           Intangible Assets - Additional Information (Detail) (USD $) 
        In Thousands, unless otherwise specified  | 
        3 Months Ended | 12 Months Ended | 3 Months Ended | ||||
|---|---|---|---|---|---|---|---|
| 
           Jun. 30, 2014 
         | 
        
           Mar. 31, 2014 
         | 
        
           Mar. 31, 2014
 
          Trade Names 
         | 
        
           Jun. 30, 2014
 
          Continuing Operations 
         | 
        
           Jun. 30, 2013
 
          Continuing Operations 
         | 
        
           Jun. 30, 2014
 
          Discontinued Operations 
         | 
        
           Jun. 30, 2013
 
          Discontinued Operations 
         | 
      |
| Goodwill And Intangible Assets [Line Items] | |||||||
| Impairment of intangible assets | $ 154 | $ 154 | |||||
| Adjustment to goodwill for purchase price allocation | 1,472 | 209 | |||||
| Amortization expense, in cost of revenues | $ 344 | $ 1,769 | $ 344 | $ 403 | $ 0 | $ 58 | |
| X | ||||||||||
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- Details 
          
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| X | ||||||||||
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- Definition 
          Amortization of property, plant and equipment directly related to goods produced and sold and services rendered by an entity during the reporting period. Reference 1: http://www.xbrl.org/2003/role/presentationRef 
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| X | ||||||||||
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- Definition 
          Amount of increase (decrease) from adjustments after acquisition date under purchase accounting of an asset representing the future economic benefits arising from other assets acquired in a business combination that are not individually identified and separately recognized. Reference 1: http://www.xbrl.org/2003/role/presentationRef 
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| X | ||||||||||
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- Definition 
          The amount of impairment loss recognized in the period resulting from the write-down of the carrying amount of an intangible asset (excluding goodwill) to fair value. Reference 1: http://www.xbrl.org/2003/role/presentationRef 
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