Revenue (Tables)

3 Months Ended

Sep. 30, 2021

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:

	September 30, 2021		June 30, 2021
(Dollars in thousands)	Amount		Amount
Contract Assets:
Unbilled accounts receivable – current (1)	$	11,255	$	12,354
Interest receivable – current (2)		565		512
Long-term accounts receivable (3)		4,854		4,970
Interest receivable – non-current (3)		954		1,083
Contract Liabilities:
Customer advances		22,828		24,937
Deferred revenue – current		78,890		81,660
Deferred revenue – non-current		23,828		23,685

(1) Included in accounts receivable on the Company’s consolidated balance sheet

(2) Included in prepaid expenses and other current assets on the Company’s consolidated balance sheet

(3) Included in other assets on the Company’s consolidated balance sheet

Schedule of Remaining Performance Obligations related to Warranty

The following table represents the Company's remaining performance obligations related to long-term warranty and non-cancellable post contract services as of September 30, 2021 and the estimated revenue expected to be recognized (the time bands reflect management’s best estimate of when the Company will transfer control to the customer and may change based on timing of shipment, readiness of customers’ facilities for installation, installation requirements, and availability of products).

	Fiscal years of revenue recognition
(Dollars in thousands)	2022		2023		2024		Thereafter
Long-term warranty and service	$	25,128	$	24,587	$	12,635	$	11,314