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Inventories
3 Months Ended
Sep. 30, 2014
Inventory Disclosure [Abstract]  
INVENTORIES
INVENTORIES
We used the last-in, first-out (LIFO) method of valuing inventories for 47 percent and 43 percent of total inventories at September 30, 2014 and June 30, 2014, respectively. Because inventory valuations under the LIFO method are based on an annual determination of quantities and costs as of June 30 of each year, the interim LIFO valuations are based on our projections of expected year-end inventory levels and costs. Therefore, the interim financial results are subject to any final year-end LIFO inventory adjustments.
 
Inventories consisted of the following: 
(in thousands)
September 30, 2014
 
June 30, 2014
Finished goods
$
374,234

 
$
371,599

Work in process and powder blends
304,845

 
308,129

Raw materials
128,923

 
126,004

Inventories at current cost
808,002

 
805,732

Less: LIFO valuation
(98,077
)
 
(101,966
)
Total inventories
$
709,925

 
$
703,766