Revenue Recognition - Terms - Additional Information (Detail)	12 Months Ended
Mar. 31, 2019
Disaggregation Of Revenue [Line Items]
Revenue from contracts with customers, performance obligation term	1 year
Contract with customer payment terms, description	Payment terms vary by contract type and type of customer and generally range from 30 to 60 days for direct sales customers. Payment terms with certain international distributors can be up to 90 days. The Company’s contracts with customers do not typically include extended payment terms.

Description of effect, from relationship that timing of satisfaction of performance obligation has on timing of payment, on right to consideration in exchange for good or service transferred to customer when right is conditioned on something other than passage of time and on obligation to transfer good or service to customer for which consideration from customer has been received or is due.

Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 606
-SubTopic 10
-Section 50
-Paragraph 9
-URI http://asc.fasb.org/extlink&oid=109196051&loc=SL49130550-203045

Name:	us-gaap_ContractWithCustomerTimingOfSatisfactionOfPerformanceObligationAndPayment
Namespace Prefix:	us-gaap_
Data Type:	xbrli:stringItemType
Balance Type:	na
Period Type:	duration