Guarantor and Non-Guarantor Financial Statements - Narrative (Details)	9 Months Ended
Dec. 31, 2018 USD ($) business	Sep. 28, 2016 USD ($)
Condensed Financial Statements, Captions [Line Items]
Number of wholly-owned subsidiaries \| business	4
Convertible notes
Condensed Financial Statements, Captions [Line Items]
Debt face amount \| $	$ 4,700,000	$ 16,000,000
Interest rate		8.75%

Face (par) amount of debt instrument at time of issuance.

Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 835
-SubTopic 30
-Section 45
-Paragraph 2
-URI http://asc.fasb.org/extlink&oid=114775744&loc=d3e28551-108399

Reference 2: http://fasb.org/us-gaap/role/ref/legacyRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 835
-SubTopic 30
-Section 55
-Paragraph 8
-URI http://asc.fasb.org/extlink&oid=114775985&loc=d3e28878-108400

Name:	us-gaap_DebtInstrumentFaceAmount
Namespace Prefix:	us-gaap_
Data Type:	xbrli:monetaryItemType
Balance Type:	credit
Period Type:	instant