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Operating Segment Information and Concentrations of Risk - Additional Information (Detail)
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12 Months Ended | ||
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Mar. 31, 2014
Customer
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Mar. 31, 2013
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Mar. 31, 2012
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| Segment Reporting [Abstract] | |||
| Percentage of net sales individually account for two major customers | 10.00% | 10.00% | 10.00% |
| Number of major customers | 2 | ||
| Accounts receivable major customer percentage | 14.00% | 22.00% | |
| Percentage of net sales | 27.00% | 30.00% | |
| X | ||||||||||
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- Definition
Entity wide accounts receivable major customer percentage. No definition available.
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| X | ||||||||||
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- Definition
Number Of Customer No definition available.
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| X | ||||||||||
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- Definition
Percentage Of Net Sales Per Customer Maximum No definition available.
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| X | ||||||||||
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- Definition
Sales outside the United States as a percentage of net sales. No definition available.
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| X | ||||||||||
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- Details
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