XML 64 R54.htm IDEA: XBRL DOCUMENT v3.7.0.1
Inventories (Details) - USD ($)
$ in Thousands
Mar. 31, 2017
Jun. 30, 2016
Inventories    
Finished goods $ 286,990 $ 284,054
Work in process and powder blends 168,354 166,274
Raw materials 90,389 68,472
Inventories at current cost 545,733 518,800
Less: LIFO valuation (55,521) (59,970)
Total inventories $ 490,212 $ 458,830
Inventories (Textual) [Abstract]    
Percentage of inventories valued by using LIFO method 45.00% 44.00%