DESCRIPTION OF BUSINESS AND SIGNIFICANT ACCOUNTING POLICIES Narrative (Details) |
12 Months Ended | ||
---|---|---|---|
Mar. 31, 2020
USD ($)
region
segment
|
Mar. 31, 2019
USD ($)
|
Mar. 31, 2018
USD ($)
|
|
Organization, Consolidation and Presentation of Financial Statements [Abstract] | |||
Research and development | $ 36,301,000 | $ 32,113,000 | $ 38,562,000 |
Advertising expense | 3,400,000 | 4,500,000 | 8,900,000 |
Shipping and handling fees | $ 9,400,000 | 9,100,000 | 10,300,000 |
Number of reportable segments | segment | 1 | ||
Number of geographic regions | region | 3 | ||
Employer contributions | $ 0 | $ 0 | $ 800,000 |
Minimum | |||
Concentration Risk [Line Items] | |||
Product warranty term | 1 year | ||
Maximum | |||
Concentration Risk [Line Items] | |||
Product warranty term | 3 years | ||
Accounts Receivable | Customer Concentration Risk | |||
Concentration Risk [Line Items] | |||
Concentration risk percentage | 7.00% | 21.00% | 10.00% |
X | ||||||||||
- Definition Number of Geographic Regions No definition available.
|
X | ||||||||||
- Definition Describes the approximate term of the product warranty No definition available.
|
X | ||||||||||
- Definition Shipping Handling And Transportation Expenses No definition available.
|
X | ||||||||||
- Definition Amount charged to advertising expense for the period, which are expenses incurred with the objective of increasing revenue for a specified brand, product or product line. Reference 1: http://www.xbrl.org/2003/role/disclosureRef
|
X | ||||||||||
- 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.
|
X | ||||||||||
- 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://fasb.org/us-gaap/role/ref/legacyRef
|
X | ||||||||||
- Definition Amount of discretionary contributions made by an employer to a defined contribution plan. No definition available.
|
X | ||||||||||
- Definition Number of segments reported by the entity. A reportable segment is a component of an entity for which there is an accounting requirement to report separate financial information on that component in the entity's financial statements. No definition available.
|
X | ||||||||||
- References No definition available.
|
X | ||||||||||
- Definition The aggregate costs incurred (1) in a planned search or critical investigation aimed at discovery of new knowledge with the hope that such knowledge will be useful in developing a new product or service, a new process or technique, or in bringing about a significant improvement to an existing product or process; or (2) to translate research findings or other knowledge into a plan or design for a new product or process or for a significant improvement to an existing product or process whether intended for sale or the entity's use, during the reporting period charged to research and development projects, including the costs of developing computer software up to the point in time of achieving technological feasibility, and costs allocated in accounting for a business combination to in-process projects deemed to have no alternative future use. Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef
|
X | ||||||||||
- Details
|
X | ||||||||||
- Details
|
X | ||||||||||
- Details
|
X | ||||||||||
- Details
|