Inventories (Details) - USD ($) $ in Thousands	12 Months Ended
	Jun. 30, 2016	Jun. 30, 2015
Inventory [Line Items]
Effect of LIFO Inventory Liquidation on Income	$ 2,100
Items Of Inventories
U.S. inventories at average cost	380,000	$ 397,524
Foreign inventories at average cost	105,465	116,674
Inventory, Gross, Total	485,465	514,198
Less: Excess of average cost over LIFO cost for U.S. inventories	147,244	151,779
Inventories on consolidated balance sheets	$ 338,221	$ 362,419