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Discontinued Operations - Additional Information (Detail)
$ in Thousands
3 Months Ended 9 Months Ended 30 Months Ended
Aug. 19, 2016
USD ($)
Mar. 31, 2018
USD ($)
Mar. 31, 2017
USD ($)
Mar. 31, 2018
USD ($)
Mar. 31, 2017
USD ($)
Dec. 31, 2014
Hospital
Income Statement, Balance Sheet and Additional Disclosures by Disposal Groups, Including Discontinued Operations [Line Items]            
Proceeds from sale       $ 0 $ 14,620  
Earnings (Loss) before income taxes   $ 16 $ (210) (110) $ 6,937  
Number of Hospitals Sold | Hospital           3
Chestatee Hospital [Member]            
Income Statement, Balance Sheet and Additional Disclosures by Disposal Groups, Including Discontinued Operations [Line Items]            
Earnings (Loss) before income taxes $ 7,270          
Purchase price adjustment due to from hospital buyer   328   328    
Chestatee Hospital [Member] | Asset Purchase Agreement [Member]            
Income Statement, Balance Sheet and Additional Disclosures by Disposal Groups, Including Discontinued Operations [Line Items]            
Proceeds from sale $ 15,000          
Life Sciences and Engineering [Member]            
Income Statement, Balance Sheet and Additional Disclosures by Disposal Groups, Including Discontinued Operations [Line Items]            
Contribution to pension plan       105    
Expected contribution to pension plan during the remaining fiscal year   $ 35   $ 35