XML 68 R55.htm IDEA: XBRL DOCUMENT v3.7.0.1
Litigation (Details) - USD ($)
$ in Thousands
3 Months Ended 12 Months Ended
Jun. 30, 2017
Mar. 31, 2017
Mar. 31, 2016
Dec. 31, 2015
Jun. 30, 2017
Jun. 30, 2016
Jun. 30, 2015
Jul. 31, 2017
Aug. 31, 2016
Legal and other related expenses         $ 300 $ 600 $ 600    
Insurance reimbursements         1,200 800 200    
Litigation Settlement Reimbursements $ 1,175 $ 2,030 $ 250 1,175 $ 2,280 $ 250    
Environmental Issue [Member]                  
Loss Contingency, Estimate of Possible Loss               $ 5,500 $ 3,600
Estimated Litigation Liability $ 0       $ 0