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Line items represent financial concepts included in a table. These concepts are used to disclose reportable information associated with domain members defined in one or many axes to the table.

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Describe the conversion features of common stock if such stock is convertible. That is, shares of common stock into which another convertible security was converted, or shares of common stock into which another class of common stock was converted.

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Aggregate dividends paid during the period for each share of common stock outstanding.

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Aggregate dividends declared during the period for each share of common stock outstanding.

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Face amount or stated value per share of common stock.

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The maximum number of common shares permitted to be issued by an entity's charter and bylaws.

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Number of shares of common stock outstanding. Common stock represent the ownership interest in a corporation.

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Description of voting rights of common stock. Includes eligibility to vote and votes per share owned. Include also, if any, unusual voting rights.

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The number of shares converted in a noncash (or part noncash) transaction. Noncash is defined as transactions during a period that do not result in cash receipts or cash payments in the period. "Part noncash" refers to that portion of the transaction not resulting in cash receipts or cash payments in the period.

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A roll forward is a reconciliation of a concept from the beginning of a period to the end of a period.

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No definition available.

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Number of shares (or other type of equity) issued during the period as a result of any equity-based compensation plan other than an employee stock ownership plan (ESOP), net of any shares forfeited. Shares issued could result from the issuance of restricted stock, the exercise of stock options, stock issued under employee stock purchase plans, and/or other employee benefit plans.

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The remaining number of shares authorized to be repurchased by an entity's Board of Directors under a stock repurchase plan.

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Number of shares that have been repurchased during the period and are being held in treasury.

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COMMON STOCK (Details) - $ / shares											12 Months Ended
COMMON STOCK (Details) - $ / shares	Sep. 17, 2018	Aug. 17, 2018	Jun. 15, 2018	May 01, 2018	Mar. 15, 2018	Feb. 01, 2018	Dec. 15, 2017	Oct. 31, 2017	Sep. 15, 2017	Aug. 17, 2017	Jun. 30, 2018	Jun. 30, 2017	Jun. 30, 2016
Stock disclosures
Cash dividends declared per common share (in dollars per share)											$ 1.48	$ 1.32	$ 1.14
Common Class A and Common Class B
Stock disclosures
Cash dividends declared per common share (in dollars per share)		$ 0.38		$ 0.38		$ 0.38		$ 0.38		$ 0.34
Dividends paid (in dollars per share)	$ 0.38		$ 0.38		$ 0.38		$ 0.38		$ 0.34
Common Class A
Class of Stock
Common stock, shares authorized											1,300,000,000	1,300,000,000
Common stock, par value (in dollars per share)											$ 0.01	$ 0.01
Exchange basis for conversion of Class B Common Stock into shares of Class A Common Stock											One-for-one basis
Common stock holder voting rights											one vote per share
Increase (Decrease) in Stockholders' Equity
Balance at the beginning of the period (in shares)											224,341,200	222,989,600	227,836,200
Acquisition of treasury stock (in shares)											(6,045,400)	(4,694,800)	(10,534,400)
Conversion of Class B to Class A (in shares)											710,600	1,007,900	2,275,900
Stock-based compensation (in shares)											5,087,400	5,038,500	3,411,900
Balance at the end of the period (in shares)											224,093,800	224,341,200	222,989,600
Stock disclosures
Remaining authorized share repurchase balance (in shares)											9,000,000
Common Class B
Class of Stock
Common stock, shares authorized											304,000,000	304,000,000
Common stock, par value (in dollars per share)											$ 0.01	$ 0.01
Common stock holder voting rights											ten votes per share
Increase (Decrease) in Stockholders' Equity
Balance at the beginning of the period (in shares)											143,762,288	144,770,200	147,046,100
Conversion of Class B to Class A (in shares)											(710,600)	(1,007,900)	(2,275,900)
Balance at the end of the period (in shares)											143,051,679	143,762,288	144,770,200