Business Combinations - Assets Acquired and Liabilities Assumed by Worthington (Details) - USD ($) $ in Thousands		6 Months Ended
	May 04, 2018	Sep. 30, 2019	Sep. 30, 2018
Business Acquisition [Line Items]
Payments to Acquire Businesses, Net of Cash Acquired		$ 500	$ 3,376
Worthington Aviation Parts, Inc
Business Acquisition [Line Items]
Accounts receivable	$ 1,929
Inventories	4,564
Other current assets	150
Property and equipment	392
Other assets	189
Total assets	7,362
Accounts payable	1,289
Accrued expenses	175
Deferred tax liability	589
Total liabilities	2,053
Net assets acquired	5,309
Payments to Acquire Businesses, Net of Cash Acquired	3,350
Less: Cash acquired	(24)
Bargain purchase gain	1,983
Worthington Aviation Parts, Inc | Trade Names
Business Acquisition [Line Items]
Intangible assets - tradename	$ 138