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Deferred Compensation Arrangement with Individual, Period from Vesting and Issuance when Risks and Rewards are Retained

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Reclassification of common stock from liability to APIC related to the required buyback of certain shares.

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Sale of Stock, Difference Between Market Price of Shares and Sale Date

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Share-Based Compensation, Number of Executives That Forfeited Award

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Share-based Compensation Arrangement by Share-based Payment Award, Equity Instruments Other than Options, Granted in Period, Fair Value

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Share-based Compensation Arrangement by Share-based Payment Award, Equivalent Economic Value of Number of Shares of Common Stock

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Share-based Compensation Arrangement by Share-based Payment Award, Options, Grants in Period, Aggregate Grant Date Fair Value

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Share-based Compensation Arrangement by Share-based Payment Award, Purchased in Period

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Represents the expense recognized during the period arising from equity-based compensation arrangements (for example, shares of stock, unit, stock options or other equity instruments) with employees, directors and certain consultants qualifying for treatment as employees.

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Reference 1: http://www.xbrl.org/2003/role/presentationRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 718
-SubTopic 10
-Section S99
-Paragraph 1
-Subparagraph (SAB Topic 14.F)
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Discount on common shares, or any unamortized balance thereof, shown separately as a deduction from the applicable account(s) as circumstances require.

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Reference 1: http://www.xbrl.org/2003/role/presentationRef
-Publisher FASB
-Name Accounting Standards Codification
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-Section S99
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Unrecognized cost of unvested share-based compensation awards.

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Weighted average period over which unrecognized compensation is expected to be recognized for equity-based compensation plans, in 'PnYnMnDTnHnMnS' format, for example, 'P1Y5M13D' represents the reported fact of one year, five months, and thirteen days.

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The total recognized tax benefit related to compensation cost for equity-based payment arrangements recognized in income during the period.

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The increase (decrease) during the reporting period in the obligation created by employee agreements whereby earned compensation will be paid in the future.

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Reference 1: http://www.xbrl.org/2003/role/presentationRef
-Publisher FASB
-Name Accounting Standards Codification
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The number of shares issued or sold by the subsidiary or equity method investee per stock transaction.

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No definition available.

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Period which an employee's right to exercise an award is no longer contingent on satisfaction of either a service condition, market condition or a performance condition, in 'PnYnMnDTnHnMnS' format, for example, 'P1Y5M13D' represents the reported fact of one year, five months, and thirteen days.

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The number of equity-based payment instruments, excluding stock (or unit) options, that were forfeited during the reporting period.

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The number of grants made during the period on other than stock (or unit) option plans (for example, phantom stock or unit plan, stock or unit appreciation rights plan, performance target plan).

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The number of equity-based payment instruments, excluding stock (or unit) options, that vested during the reporting period.

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The weighted average fair value as of grant date pertaining to an equity-based award plan other than a stock (or unit) option plan for which the grantee gained the right during the reporting period, by satisfying service and performance requirements, to receive or retain shares or units, other instruments, or cash in accordance with the terms of the arrangement.

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The estimated dividend rate (a percentage of the share price) to be paid (expected dividends) to holders of the underlying shares over the option's term.

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The risk-free interest rate assumption that is used in valuing an option on its own shares.

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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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The difference between the maximum number of shares (or other type of equity) authorized for issuance under the plan (including the effects of amendments and adjustments), and the sum of: 1) the number of shares (or other type of equity) already issued upon exercise of options or other equity-based awards under the plan; and 2) shares (or other type of equity) reserved for issuance on granting of outstanding awards, net of cancellations and forfeitures, if applicable.

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Reference 1: http://www.xbrl.org/2003/role/presentationRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 718
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-Paragraph 2
-URI http://asc.fasb.org/extlink&oid=6415400&loc=d3e5070-113901

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Gross number of share options (or share units) granted during the period.

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Percentage of vesting of share-based compensation awards.

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Amount of capitalized and expensed compensation cost from equity-based compensation arrangements.

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Intrinsic value of equity-based compensation awards vested. Excludes stock and unit options.

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Period from grant date that an equity-based award expires, in 'PnYnMnDTnHnMnS' format, for example, 'P1Y5M13D' represents the reported fact of one year, five months, and thirteen days.

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Expected term of share-based compensation awards, in 'PnYnMnDTnHnMnS' format, for example, 'P1Y5M13D' represents the reported fact of one year, five months, and thirteen days.

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Reference 1: http://www.xbrl.org/2003/role/presentationRef
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-URI http://asc.fasb.org/extlink&oid=27013229&loc=d3e301413-122809

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SHARE-BASED COMPENSATION PLANS - Narrative (Details) $ / shares in Units, $ in Millions												1 Months Ended		2 Months Ended	12 Months Ended
	Jul. 24, 2015 USD ($)	Jul. 21, 2015 USD ($) shares	Jul. 08, 2015 USD ($)	Jul. 08, 2015 USD ($)	Jun. 30, 2015	Apr. 15, 2015	Mar. 13, 2015 USD ($) shares	Dec. 01, 2014 USD ($) shares	Jun. 13, 2014	Jun. 13, 2013	Jun. 13, 2013	Apr. 30, 2015 shares	Sep. 30, 2010 shares	Jun. 12, 2015 shares	Jun. 30, 2016 USD ($) $ / shares shares	Jun. 30, 2015 USD ($) shares	Jun. 30, 2014 USD ($) $ / shares shares	Jun. 30, 2013 executive shares
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]
Number of shares available for grant \| shares															13,100,000
Related tax benefits for share-based compensation															$ 6.7	$ 10.9	$ 27.1
Granted (in shares) \| shares															0
Risk-free interest rate																1.79%
Expected dividend yield																0.80%
Expected life																7 years 6 months
Adjustments to APIC																$ 1.9
Executive Officer
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]
Difference between market price of the shares and sale date																13.9
Reduction in stock compensation expense			$ 0.1
Executive Officer \| Additional Paid-in Capital
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]
Deemed capital contribution from related party				$ 13.8
Immediate Vesting
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]
Percent of awards vested due to re-measurement											50.00%
One-Year Vesting
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]
Stock options vesting period									1 year
Percent of awards vested due to re-measurement										50.00%
Minimum
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]
Outstanding options grant price \| $ / shares															$ 6.40
Exercisable options grant price \| $ / shares															6.40
Maximum
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]
Outstanding options grant price \| $ / shares															24.13
Exercisable options grant price \| $ / shares															$ 11.60
Selling, general and administrative
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]
Total share-based compensation expense															$ 35.4	35.9	46.8
Certain Senior Executives
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]
Granted (in shares) \| shares												1,700,000
Executive Officer
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]
Adjustments to APIC															1.9
Executive Officer \| Accrued Expenses and Other Current Liabilities
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]
Difference between market price of the shares and sale date															13.9
Executive Officer \| JABC
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]
Number of shares sold in transaction by related party \| shares							1,400,000
Discount on shares							$ 1.9
Period from vesting and issuance					6 months
Executive Officer \| Selling, general and administrative
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]
Total share-based compensation expense															15.8
EOP
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]
Total share-based compensation expense															$ 0.0	$ (0.5)	0.0
Shares purchased during period \| shares															100,000	100,000
Series A Preferred Stock
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]
Total unrecognized share-based compensation expense															$ 7.7
Weighted-average period for unrecognized share-based compensation															3 years 9 months 15 days
Risk-free interest rate															1.01%	1.96%
Expected dividend yield															0.96%	0.63%
Stock options vesting period															5 years
Nonqualified stock options exercise period															2 years
Nonqualified stock options contractual life															7 years
Granted (in shares) \| shares												7,400,000			0
Forfeited (in shares) \| shares												5,500,000			200,000
Compensation expense															$ 2.0	$ 0.4
Expected life															4 years 9 months 15 days	5 years 9 months 15 days
Vested (in shares) \| shares															0
Vested, weighted average grant date fair value (in dollars per share) \| $ / shares															$ 0.00
Common Class B \| Executive Officer \| JABC
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]
Shares issued in transaction \| shares							1,700,000							1,700,000
Stock Option
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]
Total share-based compensation expense															$ 14.7	$ 9.5	28.6
Total unrecognized share-based compensation expense															$ 3.4
Weighted-average period for unrecognized share-based compensation															2 years 4 months 24 days
Expected dividend yield						0.80%
Stock options vesting period															5 years
Nonqualified stock options exercise period															5 years
Nonqualified stock options contractual life															10 years
Stock Option \| Minimum
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]
Risk-free interest rate						1.79%
Restricted and Other Share Awards
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]
Total unrecognized share-based compensation expense															$ 35.2
Weighted-average period for unrecognized share-based compensation															2 years 8 months 5 days
Restricted Stock Units
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]
Total share-based compensation expense															$ 18.2	9.7	10.8
Granted (in shares) \| shares															1,300,000
Forfeited (in shares) \| shares															1,200,000
Total intrinsic value of restricted shares vested and settled															$ 4.0	$ 6.2	2.8
Vested (in shares) \| shares															100,000
Vested, weighted average grant date fair value (in dollars per share) \| $ / shares															$ 13.52
Restricted Stock Units \| Omnibus Long-Term Incentive Plan
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]
Granted (in shares) \| shares															1,200,000	1,700,000
Restricted Stock Units \| 2007 Stock Plan for Directors
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]
Granted (in shares) \| shares															100,000	100,000
Special Incentive Award
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]
Total share-based compensation expense															$ 0.0	$ 0.0	7.4
Granted (in shares) \| shares													3,900,000
Forfeited (in shares) \| shares																		1,500,000
Total intrinsic value of restricted shares vested and settled															0.0	0.0	$ 20.4
Number of executives that forfeited award \| executive																		1
Vested (in shares) \| shares																	1,200,000
Vested, weighted average grant date fair value (in dollars per share) \| $ / shares																	$ 6.82
Phantom Units
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]
Total share-based compensation expense																$ 1.0
Granted (in shares) \| shares								49,432
Weighted-average grant date fair value of stock options								$ 1.0
Phantom Units \| CEO
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]
Total share-based compensation expense															$ 8.0
Granted (in shares) \| shares		300,000
Phantom units value		$ 8.1
Phantom Units \| Common Class A \| CEO
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]
Phantom units value	$ 8.0
Share equivalent of Class A Common Stock \| shares		1						1