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INVENTORIES
 9 Months Ended
Dec. 31, 2019
Inventory Disclosure [Abstract]  
INVENTORIES

(H) INVENTORIES

Inventories are stated at the lower of average cost (including applicable material, labor, depreciation, and plant overhead) or net realizable value, and consist of the following:

 

 

 

December 31,

 

 

March 31,

 

 

 

2019

 

 

2019

 

 

 

(dollars in thousands)

 

Raw Materials and Materials-in-Progress

 

$

93,865

 

 

$

125,828

 

Finished Cement

 

 

24,673

 

 

 

27,826

 

Aggregates

 

 

7,588

 

 

 

7,351

 

Gypsum Wallboard

 

 

4,881

 

 

 

7,124

 

Paperboard

 

 

11,638

 

 

 

15,660

 

Frac Sand

 

 

529

 

 

 

2,557

 

Repair Parts and Supplies

 

 

81,445

 

 

 

80,676

 

Fuel and Coal

 

 

9,645

 

 

 

8,172

 

 

 

$

234,264

 

 

$

275,194

 

 

During the nine months ended December 31, 2019, we wrote down approximately $3.3 million, $1.7 million, and $1.3 million of Raw Materials and Materials-in-Progress, Frac Sand, and Repair Parts and Supplies. These inventories related to the impairment of our Oil and Gas Proppants segment described in Footnote (C).