Annual report pursuant to Section 13 and 15(d)

Employee Benefit Plans - Amount Recognized or Expected to be Recognized in Accumulated Other Comprehensive Income (Loss) (Details)

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Employee Benefit Plans - Amount Recognized or Expected to be Recognized in Accumulated Other Comprehensive Income (Loss) (Details) - Foreign Plan - Pension Plan - USD ($)
$ in Thousands
Jun. 30, 2017
Jun. 30, 2016
Losses Recognized in Accumulated Other Comprehensive Income (Loss)    
Unrecognized transition obligation $ 190 $ 108
Unrecognized prior service cost 51 113
Unrealized net loss 33,477 31,739
Amount of losses recognized 33,718 $ 31,960
Losses in Accumulated Other Comprehensive Income (Loss) Expected to be Recognized as Components of Net Periodic Benefit Cost Over Next Fiscal Year    
Unrecognized transition obligation 0  
Unrecognized prior service cost 26  
Unrealized net loss 1,436  
Amount of losses expected to be recognized $ 1,462