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Goodwill and Other Intangible Assets - Narrative (Details) - USD ($)
$ in Thousands
3 Months Ended 9 Months Ended
Mar. 31, 2018
Mar. 31, 2017
Mar. 31, 2018
Mar. 31, 2017
Goodwill and Intangible Assets Disclosure [Abstract]        
Amortization of intangible assets $ 1,291 $ 550 $ 3,903 $ 1,649