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v2.4.1.9

Certain Transactions (detail) (USD $) | Mar. 31, 2015 | Mar. 31, 2014 | Mar. 31, 2013
--- | --- | --- | ---
Related Party [Line Items] |  |  |
Raw Materials and Supplies | $ 160,540,000 us-gaap_InventoryRawMaterialsAndSupplies | $ 133,942,000 us-gaap_InventoryRawMaterialsAndSupplies |
Director [Member] |  |  |
Related Party [Line Items] |  |  |
Raw Materials and Supplies | $ 800,000 us-gaap_InventoryRawMaterialsAndSupplies / us-gaap_RelatedPartyTransactionsByRelatedPartyAxis = us-gaap_DirectorMember | $ 1,100,000 us-gaap_InventoryRawMaterialsAndSupplies / us-gaap_RelatedPartyTransactionsByRelatedPartyAxis = us-gaap_DirectorMember | $ 1,200,000 us-gaap_InventoryRawMaterialsAndSupplies / us-gaap_RelatedPartyTransactionsByRelatedPartyAxis = us-gaap_DirectorMember

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- Definition Gross amount of unprocessed materials to be used in manufacturing or production process and supplies that will be consumed. + References Reference 1: http://www.xbrl.org/2003/role/presentationRef -Publisher SEC -Name Regulation S-X (SX) -Number 210 -Section 02 -Paragraph 6 -Subparagraph a -Article 5 Reference 2: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 210 -SubTopic 10 -Section S99 -Paragraph 1 -Subparagraph (SX 210.5-02.6(a)(4),(5)) -URI http://asc.fasb.org/extlink&oid=6877327&loc=d3e13212-122682 + Details
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