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Business Combinations Business Combinations (Details 1) - USD ($)
$ in Thousands
12 Months Ended
Jun. 30, 2018
Jun. 30, 2017
Jun. 30, 2016
Business Acquisition [Line Items]      
Operating income $ 225,827 $ 175,386 $ 89,782
FCX Performance, Inc [Member] [Member]      
Business Acquisition [Line Items]      
Net sales 249,752    
Operating income 16,845    
Net income $ 8,758