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Summary of Significant Accounting Policies - Estimated Useful Life of Property, Plant and Equipment (Detail) | 12 Months Ended
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Mar. 31, 2015
Buildings |
Property Plant And Equipment [Line Items] |
Property, plant and equipment, estimated useful life in years | 40 years
Leasehold Improvements |
Property Plant And Equipment [Line Items] |
Property, plant and equipment, estimated useful life in years, description | Shorter of the estimated useful life or the remaining lease term
Minimum | Process Upgrades to the Building |
Property Plant And Equipment [Line Items] |
Property, plant and equipment, estimated useful life in years | 10 years
Minimum | Machinery and Equipment |
Property Plant And Equipment [Line Items] |
Property, plant and equipment, estimated useful life in years | 3 years
Minimum | Furniture and Fixtures |
Property Plant And Equipment [Line Items] |
Property, plant and equipment, estimated useful life in years | 3 years
Maximum | Process Upgrades to the Building |
Property Plant And Equipment [Line Items] |
Property, plant and equipment, estimated useful life in years | 40 years
Maximum | Machinery and Equipment |
Property Plant And Equipment [Line Items] |
Property, plant and equipment, estimated useful life in years | 10 years
Maximum | Furniture and Fixtures |
Property Plant And Equipment [Line Items] |
Property, plant and equipment, estimated useful life in years | 5 years

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- Definition Describes the periods of time over which an entity anticipates to receive utility from its property, plant and equipment (that is, the periods of time over which an entity allocates the initial cost of its property, plant and equipment). + References Reference 1: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 235 -SubTopic 10 -Section 50 -Paragraph 3 -URI http://asc.fasb.org/extlink&oid=6367646&loc=d3e18780-107790 Reference 2: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 360 -SubTopic 10 -Section 35 -Paragraph 4 -URI http://asc.fasb.org/extlink&oid=6539997&loc=d3e1205-110223 + Details
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- Definition Useful life of long lived, physical assets used in the normal conduct of business and not intended for resale, in 'PnYnMnDTnHnMnS' format, for example, 'P1Y5M13D' represents the reported fact of one year, five months, and thirteen days. Examples include, but not limited to, land, buildings, machinery and equipment, office equipment, furniture and fixtures, and computer equipment. + References No definition available. + Details
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