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Derivatives and Hedging Activities - Summary of amounts recorded in balance sheet related to cumulative basis adjustment for fair value interest rate risk hedges (Details) - USD ($) $ in Millions | Mar. 31, 2021 | Jun. 30, 2020
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Derivative Instruments and Hedging Activities Disclosure [Abstract] |  |
Carrying amount of the hedged liabilities | $ 0.0 | $ 152.8
Cumulative amount of fair value hedging adjustment included in the carrying amount of the hedged liabilities | $ 0.0 | $ 2.8

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- References No definition available. + Details
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- Definition Amount of liability hedged in fair value hedging relationship. + References Reference 1: http://www.xbrl.org/2003/role/disclosureRef -Publisher FASB -Name Accounting Standards Codification -Topic 815 -SubTopic 10 -Section 50 -Paragraph 4EE -Subparagraph (a) -URI http://asc.fasb.org/extlink&oid=121590274&loc=SL109999712-113959 + Details
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- Definition Amount of cumulative increase (decrease) in fair value of hedged liability in fair value hedge, attributable to hedged risk. + References Reference 1: http://www.xbrl.org/2003/role/disclosureRef -Publisher FASB -Name Accounting Standards Codification -Topic 815 -SubTopic 10 -Section 50 -Paragraph 4EE -Subparagraph (b) -URI http://asc.fasb.org/extlink&oid=121590274&loc=SL109999712-113959 + Details
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