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Business Segment and Geographic Information - Geographic Information about Property, Plant and Equipment Associated with Particular Regions (Detail) (USD $) In Thousands, unless otherwise specified | Mar. 31, 2015 | Mar. 31, 2014
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Segment Reporting Information [Line Items] |  |
Property, plant and equipment, net | $ 56,097 us-gaap_PropertyPlantAndEquipmentNet | $ 64,574 us-gaap_PropertyPlantAndEquipmentNet
North America |  |
Segment Reporting Information [Line Items] |  |
Property, plant and equipment, net | 54,673 us-gaap_PropertyPlantAndEquipmentNet / us-gaap_StatementGeographicalAxis = us-gaap_NorthAmericaMember | 62,426 us-gaap_PropertyPlantAndEquipmentNet / us-gaap_StatementGeographicalAxis = us-gaap_NorthAmericaMember
Europe |  |
Segment Reporting Information [Line Items] |  |
Property, plant and equipment, net | 854 us-gaap_PropertyPlantAndEquipmentNet / us-gaap_StatementGeographicalAxis = us-gaap_EuropeMember | 1,232 us-gaap_PropertyPlantAndEquipmentNet / us-gaap_StatementGeographicalAxis = us-gaap_EuropeMember
Asia Pacific |  |
Segment Reporting Information [Line Items] |  |
Property, plant and equipment, net | $ 570 us-gaap_PropertyPlantAndEquipmentNet / us-gaap_StatementGeographicalAxis = us-gaap_AsiaPacificMember | $ 916 us-gaap_PropertyPlantAndEquipmentNet / us-gaap_StatementGeographicalAxis = us-gaap_AsiaPacificMember

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- Definition Amount after accumulated depreciation, depletion and amortization of physical assets used in the normal conduct of business to produce goods and services and not intended for resale. Examples include, but are not limited to, land, buildings, machinery and equipment, office equipment, and furniture and fixtures. + References Reference 1: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 360 -SubTopic 10 -Section 50 -Paragraph 1 -URI http://asc.fasb.org/extlink&oid=6391035&loc=d3e2868-110229 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 210.5-02.13) -URI http://asc.fasb.org/extlink&oid=6877327&loc=d3e13212-122682 Reference 3: http://www.xbrl.org/2003/role/presentationRef -Publisher SEC -Name Regulation S-X (SX) -Number 210 -Section 02 -Paragraph 13 -Subparagraph a -Article 5 Reference 4: http://www.xbrl.org/2003/role/presentationRef -Publisher SEC -Name Regulation S-X (SX) -Number 210 -Section 03 -Paragraph 8 -Article 7 + Details
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Namespace Prefix: | us-gaap_
Data Type: | xbrli:monetaryItemType
Balance Type: | debit
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- Details
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Period Type: | duration

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- Details
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Period Type: |

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- Details
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Data Type: | na
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Period Type: |

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- Details
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Namespace Prefix: |
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Period Type: |