Product Warranty Liability - Additional Information (Detail) - USD ($) $ in Thousands |
3 Months Ended | |
|---|---|---|
Jun. 30, 2018 |
Jun. 30, 2017 |
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| Guarantees [Abstract] | ||
| Expense (income) for product warranties | $ 48 | $ (160) |
| X | ||||||||||
- Definition The (income) expense (included) charged (in) against earnings for the period pertaining to standard and extended warranties on the entity's goods and services granted to customers. No definition available.
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| X | ||||||||||
- References No definition available.
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