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Business Restructuring - Reconciliation of Restructuring Liability (Detail) - Termination Benefits [Member]
$ in Thousands
3 Months Ended
Sep. 30, 2016
USD ($)
Restructuring Cost And Reserve [Line Items]  
Restructuring liability at June 30, 2016 $ 1,061
Foreign currency translation (19)
Restructuring liability at September 30, 2016 $ 1,042