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Goodwill and Intangible Assets - Goodwill (Detail) - USD ($)
$ in Thousands
Sep. 30, 2016
Jun. 30, 2016
Goodwill [Line Items]    
Goodwill $ 461 $ 461
Pharmacy Segment [Member]    
Goodwill [Line Items]    
Goodwill $ 461 $ 461