Commitments and Contingent Liabilities - Guarantees Narrative (Details) - USD ($) $ in Millions	Jun. 30, 2021	Jun. 30, 2020
Financial Standby Letter of Credit
Contingent Liabilities
Maximum financial exposure	$ 1.7	$ 1.6
Loss contingency accrual	0.0	0.0
Performance Guarantee
Contingent Liabilities
Maximum financial exposure	0.1	8.7
Loss contingency accrual	$ 0.0	$ 0.0

Maximum potential amount of future payments (undiscounted) the guarantor could be required to make under the guarantee or each group of similar guarantees before reduction for potential recoveries under recourse or collateralization provisions.

Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 460
-SubTopic 10
-Section 50
-Paragraph 4
-Subparagraph (b)(1)
-URI http://asc.fasb.org/extlink&oid=124440162&loc=d3e12069-110248

Name:	us-gaap_GuaranteeObligationsMaximumExposure
Namespace Prefix:	us-gaap_
Data Type:	xbrli:monetaryItemType
Balance Type:	credit
Period Type:	instant