Accounts and Financing Receivables (Credit Quality Analysis of Financing Receivable) (Details) - USD ($) $ in Thousands	3 Months Ended		12 Months Ended
	Sep. 30, 2024	Sep. 30, 2023	Jun. 30, 2024
Financing Receivable, Credit Quality Indicator [Line Items]
Total financing receivables	$ 40,596		$ 41,453
Gross write-offs Prior	414		1,145
Gross write-offs Four Years Before	125		279
Gross write-offs Three Years Before	357		509
Gross write-offs Two Years Before	175		597
Gross write-offs Year Before	27		729
Gross write-offs Origination Year	0		2
Gross write-offs	1,098	$ 736	3,261
1 - 30 days past due
Financing Receivable, Credit Quality Indicator [Line Items]
Prior	437		552
Four Years Before	321		0
Three Years Before	477		214
Two Years Before	279		111
Year Before	1,797		1,188
Origination Year	152		1,146
Total financing receivables	3,463		3,211
31-60 days past due
Financing Receivable, Credit Quality Indicator [Line Items]
Prior	104		213
Four Years Before	56		90
Three Years Before	130		65
Two Years Before	752		37
Year Before	100		567
Origination Year	0		1,488
Total financing receivables	1,142		2,460
61-90 days past due
Financing Receivable, Credit Quality Indicator [Line Items]
Prior	119		174
Four Years Before	0		0
Three Years Before	267		5
Two Years Before	124		110
Year Before	929		370
Origination Year	0		257
Total financing receivables	1,439		916
91-120 days past due
Financing Receivable, Credit Quality Indicator [Line Items]
Prior	215		0
Four Years Before	25		11
Three Years Before	23		434
Two Years Before	495		20
Year Before	414		206
Origination Year	0		791
Total financing receivables	1,172		1,462
121-150 days past due
Financing Receivable, Credit Quality Indicator [Line Items]
Prior	132		51
Four Years Before	28		88
Three Years Before	100		63
Two Years Before	501		314
Year Before	676		268
Origination Year	0		91
Total financing receivables	1,437		875
Greater than 150 days past due
Financing Receivable, Credit Quality Indicator [Line Items]
Prior	2,926		2,556
Four Years Before	1,654		466
Three Years Before	1,120		1,366
Two Years Before	2,046		1,300
Year Before	1,874		1,920
Origination Year	0		987
Total financing receivables	9,620		8,595
Total past due
Financing Receivable, Credit Quality Indicator [Line Items]
Prior	3,933		3,546
Four Years Before	2,084		655
Three Years Before	2,117		2,147
Two Years Before	4,197		1,892
Year Before	5,790		4,519
Origination Year	152		4,760
Total financing receivables	18,273		17,519
Current
Financing Receivable, Credit Quality Indicator [Line Items]
Prior	6,003		6,014
Four Years Before	3,580		748
Three Years Before	1,167		3,944
Two Years Before	3,784		1,897
Year Before	5,660		4,549
Origination Year	2,129		6,782
Total financing receivables	22,323		23,934
Financing receivables, gross
Financing Receivable, Credit Quality Indicator [Line Items]
Prior	9,936		9,560
Four Years Before	5,664		1,403
Three Years Before	3,284		6,091
Two Years Before	7,981		3,789
Year Before	11,450		9,068
Origination Year	2,281		11,542
Total financing receivables	$ 40,596		$ 41,453