Inventories, Net Level 4 (Details) (USD $) In Thousands, unless otherwise specified	Dec. 31, 2014	Mar. 31, 2014
Inventory, Raw Materials	$ 74,502us-gaap_InventoryRawMaterials	$ 60,328us-gaap_InventoryRawMaterials
Inventory, Work in Process	27,584us-gaap_InventoryWorkInProcess	24,449us-gaap_InventoryWorkInProcess
Inventory, Finished Goods	116,881us-gaap_InventoryFinishedGoods	102,928us-gaap_InventoryFinishedGoods
Inventory, LIFO Reserve	(17,171)us-gaap_InventoryLIFOReserve	(19,450)us-gaap_InventoryLIFOReserve
Inventory Valuation Reserves	(18,340)us-gaap_InventoryValuationReserves	(13,109)us-gaap_InventoryValuationReserves
Inventory, Net	$ 183,456us-gaap_InventoryNet	$ 155,146us-gaap_InventoryNet

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

Reference 1: http://www.xbrl.org/2003/role/presentationRef

-Publisher SEC

-Name Regulation S-X (SX)

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Reference 2: http://www.xbrl.org/2003/role/presentationRef

-Publisher FASB

-Name Accounting Standards Codification

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-Subparagraph (SX 210.5-02.6(a)(1))

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- Definition

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.

+ References

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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.

+ References

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- Definition

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

+ References

Reference 1: http://www.xbrl.org/2003/role/presentationRef

-Publisher SEC

-Name Regulation S-X (SX)

-Number 210

-Section 02

-Paragraph 6

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-Article 5

Reference 2: http://www.xbrl.org/2003/role/presentationRef

-Publisher FASB

-Name Accounting Standards Codification

-Topic 210

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-Section S99

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-Subparagraph (SX 210.5-02.6(a)(4))

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- Definition

Amount of valuation reserve for inventory.

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Reference 1: http://www.xbrl.org/2003/role/presentationRef

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-Name Accounting Standards Codification

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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.

+ References

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-Publisher SEC

-Name Regulation S-X (SX)

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-Section 02

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