Revenue (Tables)

9 Months Ended

Mar. 31, 2020

Revenue From Contract With Customer [Abstract]

Summary of Contract with Customer, Asset and Liability

Changes in the contract assets and contract liabilities are as follows:

	March 31, 2020		June 30, 2019
(Dollars in thousands)	Amount		Amount
Contract Assets:
Unbilled accounts receivable – current (1)	$	12,816	$	5,260
Interest receivable – current (2)		528		361
Long-term accounts receivable (3)		4,153		4,116
Interest receivable – non-current (3)		1,378		1,255
Contract Liabilities:
Customer advances		18,009		20,395
Deferred revenue – current		82,943		78,332
Deferred revenue – non-current		26,563		26,639

(1) Included in accounts receivable on consolidated balance sheets

(2) Included in prepaid expenses and other current assets on consolidated balance sheets

(3) Included in other assets on consolidated balance sheets

Schedule of Remaining Performance Obligations related to Warranty

The following table represents the Company's remaining performance obligations related to long-term warranty and service as of March 31, 2020 and the estimated revenue expected to be recognized:

	Fiscal years of revenue recognition
(Dollars in thousands)	2020		2021		2022		Thereafter
Long-term warranty and service	$	8,914	$	32,903	$	21,572	$	16,035