Equity impact of the cost of common and preferred stock that were repurchased during the period. Recorded using the cost method.

Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 505
-SubTopic 10
-Section 50
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Reference 2: http://fasb.org/us-gaap/role/ref/legacyRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 505
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Reference 3: http://fasb.org/us-gaap/role/ref/legacyRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 505
-SubTopic 10
-Section S99
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Name:	us-gaap_TreasuryStockValueAcquiredCostMethod
Namespace Prefix:	us-gaap_
Data Type:	xbrli:monetaryItemType
Balance Type:	debit
Period Type:	duration

EQUITY AND CONVERTIBLE PREFERRED STOCK - Treasury Stock - Share Repurchase Program (Details) - USD ($)	12 Months Ended
	Jun. 30, 2021	Jun. 30, 2020	Jun. 30, 2019	Feb. 03, 2016
Class of Stock [Line Items]
Treasury stock acquired during the period		$ 4,500,000
Incremental Repurchase Program
Class of Stock [Line Items]
Treasury stock acquired during the period	$ 0	$ 0	$ 0
Incremental Repurchase Program \| Common Class A
Class of Stock [Line Items]
Stock repurchase program, authorized amount				$ 500,000,000.0
Amount remaining under current repurchase program	$ 396,800,000