Fair Value Measurements - Schedule of fair value of assets and liabilities measured on a recurring basis (Details) - Level 2 - USD ($) $ in Millions	Sep. 30, 2021	Jun. 30, 2021
Assets:
Derivative financial instruments	$ 16.1	$ 15.9
Liabilities:
Derivative financial instruments	$ 2.9	$ 5.3

Fair value, after the effects of master netting arrangements, of a financial liability or contract with one or more underlyings, notional amount or payment provision or both, and the contract can be net settled by means outside the contract or delivery of an asset. Includes liabilities not subject to a master netting arrangement and not elected to be offset.

Reference 1: http://www.xbrl.org/2003/role/disclosureRef
-Publisher FASB
-Name Accounting Standards Codification
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Reference 2: http://www.xbrl.org/2003/role/disclosureRef
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Reference 3: http://www.xbrl.org/2003/role/disclosureRef
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