EQUITY - Narrative (Details)			3 Months Ended				6 Months Ended
	Dec. 14, 2018 USD ($)	Sep. 14, 2018 USD ($)	Dec. 31, 2018 USD ($) vote $ / shares shares	Sep. 30, 2018 USD ($)	Dec. 31, 2017 USD ($)	Sep. 30, 2017 USD ($)	Dec. 31, 2018 USD ($) vote $ / shares shares	Nov. 30, 2018 USD ($)	Aug. 31, 2018 USD ($)	Jun. 30, 2018 $ / shares shares	Feb. 03, 2016 USD ($)
Class of Stock [Line Items]
Common stock, par value (in usd per share) | $ / shares			$ 0.01				$ 0.01			$ 0.01
Common stock, shares authorized (in shares) | shares			1,000,000,000				1,000,000,000			1,000,000,000.0
Common stock, shares outstanding (in shares) | shares			751,200,000				751,200,000			750,700,000
Preferred stock, shares authorized (in shares) | shares			20,000,000.0				20,000,000.0			20,000,000.0
Preferred stock, par value (in usd per share) | $ / shares			$ 0.01				$ 0.01			$ 0.01
Preferred stock, shares issued (in shares) | shares			5,000,000				5,000,000			5,000,000
Preferred stock, shares outstanding (in shares) | shares			1,900,000				1,900,000			5,000,000
Reduction of dividends payable, current and noncurrent | $							$ 700,000
Dividends, Common Stock | $			$ 94,600,000	$ 94,000,000	$ 94,400,000	$ 94,300,000
Dividends | $							(188,600,000)
Dividends payable | $			2,000,000				2,000,000	$ 1,200,000	$ 800,000
Payments of dividends | $	$ 93,900,000	$ 93,800,000					187,700,000
Restricted stock award, forfeitures, dividends | $							1,100,000
Restricted Share Units
Class of Stock [Line Items]
Common stocks, including additional paid in capital | $			200,000				200,000
Dividends payable | $			2,000,000				2,000,000
Payments of dividends | $							700,000
Restricted Stock Units And Phantom Units | Other Noncurrent Liabilities
Class of Stock [Line Items]
Dividends payable | $			4,100,000				4,100,000
Restricted Stock Units And Phantom Units | Accrued Expenses and Other Current Liabilities
Class of Stock [Line Items]
Dividends payable | $			$ 2,100,000				$ 2,100,000
Common Class A
Class of Stock [Line Items]
Common stock, par value (in usd per share) | $ / shares			$ 0.01				$ 0.01
Votes per share | vote			1				1
Common stock, shares authorized (in shares) | shares			1,000,000,000				1,000,000,000
Common stock, shares outstanding (in shares) | shares			751,200,000				751,200,000
Common Class A | Incremental Repurchase Program
Class of Stock [Line Items]
Authorized repurchase amount | $											$ 500,000,000.0
Number of shares repurchased (in shares) | shares			0				0
Share repurchase program, remaining authorized repurchase amount | $			$ 396,800,000				$ 396,800,000
Common Class A | JAB Cosmetics B.V.
Class of Stock [Line Items]
Ownership percentage by noncontrolling owners (percent)			40.00%				40.00%
Number of shares acquired by JABC (in shares) | shares			8,200,000				10,800,000
Series A Preferred Stock
Class of Stock [Line Items]
Votes per share | vote			0				0
Preferred stock, shares authorized (in shares) | shares			6,300,000				6,300,000
Preferred stock, par value (in usd per share) | $ / shares			$ 0.01				$ 0.01
Preferred stock, shares issued (in shares) | shares			5,000,000				5,000,000
Preferred stock, shares outstanding (in shares) | shares			1,900,000				1,900,000
Amount of preferred stock | $			$ 1,100,000				$ 1,100,000
Series A Preferred Stock | Other Noncurrent Liabilities
Class of Stock [Line Items]
Amount of preferred stock | $			$ 1,800,000				$ 1,800,000
Share-based Compensation Award, Tranche One | Series A Preferred Stock
Class of Stock [Line Items]
Preferred stock, shares outstanding (in shares) | shares			1,000,000				1,000,000
Share-based Compensation Award, Tranche Two | Series A Preferred Stock
Class of Stock [Line Items]
Preferred stock, shares outstanding (in shares) | shares			400,000				400,000
Share-based Compensation Award, Tranche Four | Series A Preferred Stock
Class of Stock [Line Items]
Preferred stock, shares outstanding (in shares) | shares			300,000				300,000
Share-based Compensation Award, Tranche Five | Series A Preferred Stock
Class of Stock [Line Items]
Preferred stock, shares outstanding (in shares) | shares			200,000				200,000
Additional Paid-in Capital
Class of Stock [Line Items]
Dividends, Common Stock | $			$ 94,600,000	$ 94,000,000	$ 94,400,000	$ 94,300,000	$ 188,400,000