Revenue - Disaggregation of Revenue (Details) - USD ($) $ in Thousands	3 Months Ended								12 Months Ended
	Jun. 30, 2021	Mar. 31, 2021	Dec. 31, 2020	Sep. 30, 2020	Jun. 30, 2020	Mar. 31, 2020	Dec. 31, 2019	Sep. 30, 2019	Jun. 30, 2021	Jun. 30, 2020	Jun. 30, 2019
Disaggregation of Revenue [Line Items]
Revenue, net	$ 54,777	$ 51,570	$ 59,007	$ 54,827	$ 59,368	$ 56,077	$ 61,242	$ 56,228	$ 220,181	$ 232,915	$ 225,958
Americas
Disaggregation of Revenue [Line Items]
Revenue, net									154,655	166,336	163,236
Asia/Pacific & Europe
Disaggregation of Revenue [Line Items]
Revenue, net									65,526	66,579	62,722
United States
Disaggregation of Revenue [Line Items]
Revenue, net									144,897	155,480	151,966
Japan
Disaggregation of Revenue [Line Items]
Revenue, net									$ 41,173	$ 42,343	$ 40,796