Inventories, Net (Details) (USD $) In Thousands, unless otherwise specified	Mar. 31, 2015	Mar. 31, 2014	Mar. 31, 2013	Mar. 31, 2012
Notes To Financial Statements [Abstract]
Inventory, Raw Materials	$ 67,095us-gaap_InventoryRawMaterials	$ 61,197us-gaap_InventoryRawMaterials
Inventory, Work in Process	22,696us-gaap_InventoryWorkInProcess	24,454us-gaap_InventoryWorkInProcess
Inventory, Finished Goods	107,695us-gaap_InventoryFinishedGoods	104,931us-gaap_InventoryFinishedGoods
Inventory, LIFO Reserve	(19,071)us-gaap_InventoryLIFOReserve	(19,450)us-gaap_InventoryLIFOReserve
Inventory Valuation Reserves	(17,597)us-gaap_InventoryValuationReserves	(15,986)us-gaap_InventoryValuationReserves	(11,985)us-gaap_InventoryValuationReserves	(15,313)us-gaap_InventoryValuationReserves
Inventories, net	$ 160,818us-gaap_InventoryNet	$ 155,146us-gaap_InventoryNet

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Amount before valuation and LIFO reserves of completed merchandise or goods expected to be sold within one year or operating cycle, if longer.

+ References

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-Publisher SEC

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Amount of difference between inventory at lower of LIFO cost or market and inventory at lower of other inventory accounting method cost or market, for example, but not limited to, FIFO or average cost.

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Amount after valuation and LIFO reserves of inventory expected to be sold, or consumed within one year or operating cycle, if longer.

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Amount before valuation and LIFO reserves of raw materials expected to be sold, or consumed within one year or operating cycle, if longer.

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Amount of valuation reserve for inventory.

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Amount before valuation and LIFO reserves of merchandise or goods in the production process expected to be completed within one year or operating cycle, if longer.

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