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Inventories
12 Months Ended
Mar. 31, 2016
Inventories:  
Inventory Disclosure [Text Block]

10. Inventories

Effective December 30, 2007 (beginning of 4th quarter of Fiscal Year 2008), the Company changed its inventory valuation method from the lower of cost, determined under the FIFO method, or market to the lower of cost, determined under the LIFO method, or market. In the high inflation environment that the Company was experiencing, the Company believed that the LIFO inventory method was preferable over the FIFO method because it better compares the cost of current production to current revenue. The effect of LIFO was to increase net earnings by $16.1 million in 2016, reduce net earnings by $6.9 million in 2015, and reduce net earnings by $13.2 million in 2014, compared to what would have been reported using the FIFO inventory method. The increase in earnings per share was $1.62 ($1.60 diluted) in 2016, reduce earnings per share was $0.64 ($0.63 diluted) in 2015, and reduce earnings per share was $1.19 ($1.19 diluted) in 2014. During 2014, certain inventory quantities accounted for on the LIFO method were reduced, resulting in the liquidation of certain quantities carried at costs prevailing in prior years. The impact on net earnings of these liquidations was no impact in 2016 and 2015, and an increase of $4.8 million during 2014. The inventories by category and the impact of using the LIFO method are shown in the following table:

201620152014
(In thousands)
Finished products$467,337$414,154$418,368
In process25,85522,65116,056
Raw materials and supplies213,790199,674170,210
706,982636,479604,634
Less excess of FIFO cost over LIFO cost139,275164,067153,384
Total inventories$567,707$472,412$451,250