Unaudited Consolidated Statements of Changes in Cash Flows Unaudited Supplemental Disclosure of Cash Flow Information (Parenthetical) - USD ($) $ in Thousands	9 Months Ended
Jun. 30, 2020	Jun. 30, 2019
Statement of Cash Flows [Abstract]
Proceeds from sale of business, net of cash of $12,117	$ 12,117	$ 0
Write off of Deferred Debt Issuance Cost	$ 1,795	$ 0

Write-off of amounts previously capitalized as debt issuance cost in an extinguishment of debt.

Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 220
-SubTopic 10
-Section S99
-Paragraph 2
-Subparagraph (SX 210.5-03.8)
-URI http://asc.fasb.org/extlink&oid=120395209&loc=SL114868664-224227

Name:	us-gaap_WriteOffOfDeferredDebtIssuanceCost
Namespace Prefix:	us-gaap_
Data Type:	xbrli:monetaryItemType
Balance Type:	debit
Period Type:	duration