Operating Segment Information and Concentrations of Risk - Additional Information (Detail) - Customer |
12 Months Ended | ||
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Mar. 31, 2017 |
Mar. 31, 2016 |
Mar. 31, 2015 |
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| Segment Reporting Information [Line Items] | |||
| Percentage of gross sales individually account for one customer | 10.00% | 10.00% | 10.00% |
| Number of customer | 1 | ||
| Accounts Receivable [Member] | Customer Concentration Risk [Member] | |||
| Segment Reporting Information [Line Items] | |||
| Concentration risk, percentage | 9.10% | 8.10% | |
| Net Sales [Member] | Geographic Concentration Risk [Member] | |||
| Segment Reporting Information [Line Items] | |||
| Concentration risk, percentage | 21.00% | 22.00% | 25.00% |
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- Definition Number Of Customer No definition available.
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- Definition Percentage of gross sales per customer maximum. No definition available.
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- Definition For an entity that discloses a concentration risk in relation to quantitative amount, which serves as the "benchmark" (or denominator) in the equation, this concept represents the concentration percentage derived from the division. Reference 1: http://www.xbrl.org/2003/role/presentationRef
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- Definition Line items represent financial concepts included in a table. These concepts are used to disclose reportable information associated with domain members defined in one or many axes to the table. No definition available.
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