EQUITY ARRANGEMENTS (Detail) $ / shares in Units, $ in Millions						1 Months Ended									3 Months Ended
	May 15, 2023 $ / shares	Jun. 03, 2021 $ / shares	Apr. 28, 2021 $ / shares	Jun. 09, 2020 $ / shares	May 15, 2020 $ / shares	Mar. 31, 2022 USD ($) shares	Jun. 30, 2021 USD ($) $ / shares shares	Apr. 28, 2021 $ / shares shares	May 31, 2020 USD ($) $ / shares shares	Feb. 29, 2020 $ / shares shares	Nov. 30, 2019 USD ($) $ / shares shares	Mar. 31, 2018 USD ($) $ / shares shares	May 31, 2017 USD ($) counterparty $ / shares shares	Mar. 31, 2015 USD ($) shares	Apr. 02, 2022 USD ($) financial_institution $ / shares shares	Feb. 28, 2022 USD ($) shares	Jan. 01, 2022 USD ($) shares	Nov. 07, 2019 $ / shares
Stockholders Equity Note [Line Items]
Forward share purchase contract (in shares) | shares														3,645,510
Forward share purchase contract | $														$ 350.0
Shares of convertible preferred stock (in shares) | shares															750,000		750,000
Preferred stock | $															$ 620.3		$ 620.3
Option indexed to issuer's equity, strike price (in dollars per share)											$ 191.34				$ 190.98
Preferred stock conversion rate number of common stock shares (in shares)											$ 5.2263
Beneficial conversion feature | $													$ 5.4
Preferred stock, redemption price per share before redemption date (in dollars per share)							$ 148.04
Conversion of convertible securities (in shares) | shares							1,469,055
Term of forward purchase contract									3 years
2020 Credit Agreement
Stockholders Equity Note [Line Items]
Long-term debt, term															364 days
Accelerated Share Repurchase
Stockholders Equity Note [Line Items]
Stock repurchase program, authorized amount | $						$ 2,000.0
Stock repurchase program, percent of shares for initial delivery						85.00%
Stock repurchase program, number of shares authorized to be repurchased (in shares) | shares						10,756,770
Open Market, Share Repurchase
Stockholders Equity Note [Line Items]
Stock repurchase program, authorized amount | $																$ 300.0
Stock repurchase program, number of shares authorized to be repurchased (in shares) | shares																1,888,601
Series D Preferred Stock | 2019 Equity Units
Stockholders Equity Note [Line Items]
Preferred stock | $											$ 620.3
Series C Preferred Stock
Stockholders Equity Note [Line Items]
Shares of convertible preferred stock (in shares) | shares							750,000		750,000
Preferred stock, liquidation preference (in dollars per share)			$ 1,000					$ 1,000	$ 1,000
Preferred stock conversion rate number of common stock shares (in shares)		$ 6.7548
Dividend rate of preferred stock									5.00%
Preferred dividend rate (in dollars per share)									$ 50.00
Preferred stock, redemption, price per share (in dollars per share)			$ 1,002.5					1,002.5
Preferred stock, redemption price per share, percentage of liquidation preference			100.00%
Preferred stock, redemption price per share before redemption date (in dollars per share)		$ 148.04	$ 1,000					$ 1,000
Repurchase of preferred stock | $							$ 750.0
Preferred stock conversion rate		6.7548
Common shares issued (in shares) | shares									5,463,750
Series C Preferred Stock | 2017 Equity Units
Stockholders Equity Note [Line Items]
Preferred stock | $											$ 605.0
2019 Equity Units and Capped call Transactions
Stockholders Equity Note [Line Items]
Forward share purchase contract (in shares) | shares											4,700,000
Approximate net proceeds | $											$ 734.5
Shares of convertible preferred stock (in shares) | shares											750,000
Proceeds used for capped call transactions | $											$ 19.2
Preferred stock, liquidation preference (in dollars per share)											$ 1,000
Preferred stock redemption											100.00%
Purchase price (in dollars per share)															$ 100
Maximum settlement rate (in shares) | shares											0.6272				0.6284
Stated value (in dollars per share)											$ 100				$ 159.13			$ 159.45
Present value of contract adjustment payments | $											$ 114.2
Shares of stock deliverable on early settlement of contract											85.00%
2019 Equity Units and Capped call Transactions | 2019 Equity Units
Stockholders Equity Note [Line Items]
Dividend rate per annum											5.25%
Present value of contract adjustment payments | $															$ 28.8
Accretion expense | $											$ 1.3
Contract term											3 years
2019 Equity Units and Capped call Transactions | Series D Preferred Stock
Stockholders Equity Note [Line Items]
Proceeds used for capped call transactions | $															$ 19.2
Preferred stock conversion rate number of common stock shares (in shares)											$ 5.2263
Upper strike percentage above closing price											30.00%
Number of common shares purchased under call option (in shares) | shares															3,900,000
Dividend rate of preferred stock											0.00%
2019 Equity Units and Capped call Transactions | Series D Preferred Stock | 2019 Capped Call
Stockholders Equity Note [Line Items]
Proceeds used for capped call transactions | $															$ 3.1
2019 Equity Units and Capped call Transactions | Series D Preferred Stock | Call Option
Stockholders Equity Note [Line Items]
Common stock price per share (in dollars per share)															$ 4.90
2019 Equity Units and Capped call Transactions | Series D Preferred Stock | Maximum
Stockholders Equity Note [Line Items]
Option indexed to issuer's equity, strike price (in dollars per share)											$ 207.29				206.89
2019 Equity Units and Capped call Transactions | Series D Preferred Stock | Minimum
Stockholders Equity Note [Line Items]
Option indexed to issuer's equity, strike price (in dollars per share)											$ 191.34				$ 190.98
2019 Equity Units and Capped call Transactions | Series D Preferred Stock | 2019 Equity Units
Stockholders Equity Note [Line Items]
Preferred stock, quarterly payments | $											$ 114.2
2019 Equity Units and Capped call Transactions | 2022 Purchase Contract
Stockholders Equity Note [Line Items]
Purchase price (in dollars per share)											$ 100
Cash settlement on forward stock purchase contract | $											$ 750.0
2018 Capped Call Transactions | Common Stock
Stockholders Equity Note [Line Items]
Proceeds used for capped call transactions | $												$ 57.3
Option term												3 years
Number of common shares purchased under call option (in shares) | shares										3,200,000		3,200,000
Shares settled (in shares) | shares										600,000
Shares received on settlement (in shares) | shares								344,004		61,767
Average reference price (in dollars per share)								$ 209.80		$ 162.26
2018 Capped Call Transactions | Call Option | Common Stock
Stockholders Equity Note [Line Items]
Common stock price per share (in dollars per share)												$ 17.96
2018 Capped Call Transactions | Maximum | Common Stock
Stockholders Equity Note [Line Items]
Option indexed to issuer's equity, strike price (in dollars per share)				$ 165.00
2018 Capped Call Transactions | Series C Preferred Stock
Stockholders Equity Note [Line Items]
Strike price as a percentage of closing stock price				30.00%
2018 Capped Call Transactions | Series C Preferred Stock | Minimum
Stockholders Equity Note [Line Items]
Option indexed to issuer's equity, strike price (in dollars per share)				$ 148.34
2017 Equity Units and Capped call Transactions
Stockholders Equity Note [Line Items]
Shares of convertible preferred stock (in shares) | shares													750,000
Preferred stock, liquidation preference (in dollars per share)					$ 1,000								$ 1,000
Purchase price (in dollars per share)													100
Stated value (in dollars per share)													100
Dividend rate per annum									5.375%
Present value of contract adjustment payments | $									$ 117.1
Accretion expense | $									1.3
Common stock price per share (in dollars per share)													$ 5.43
Number of common shares purchased under call option (in shares) | shares													4,600,000
Proceeds from issuance or sale of equity | $									$ 750.0				$ 727.5
Proceeds used to enter into capped call transactions | $													$ 25.1
Preferred dividend rate (in dollars per share)					$ 50.00
Maximum settlement rate (in shares) | shares									0.7285
Conversion reference price (in dollars per share)									$ 137.26
Term of forward purchase contract													3 years
2017 Equity Units and Capped call Transactions | Forecast
Stockholders Equity Note [Line Items]
Preferred stock, liquidation preference (in dollars per share)	$ 1,000
Preferred dividend rate (in dollars per share)	$ 100.00
2017 Equity Units and Capped call Transactions | Call Option
Stockholders Equity Note [Line Items]
Proceeds used to enter into capped call transactions | $													$ 25.1
2017 Equity Units and Capped call Transactions | Series D Preferred Stock
Stockholders Equity Note [Line Items]
Preferred stock conversion rate															5.2362
2017 Equity Units and Capped call Transactions | Series C Preferred Stock
Stockholders Equity Note [Line Items]
Preferred stock, liquidation preference (in dollars per share)									1,000
Number of financial institutions | financial_institution															3
Option term													3 years
Option indexed to issuer's equity, strike price (in dollars per share)									$ 148.47
Preferred stock conversion rate number of common stock shares (in shares)													$ 6.1627
Dividend rate of preferred stock					5.00%								0.00%
Preferred stock conversion rate									6.7352
Common shares issued (in shares) | shares									5,463,750
Number of counterparties | counterparty													3
Strike price as a percentage of closing stock price													30.00%
2017 Equity Units and Capped call Transactions | Series C Preferred Stock | Forecast
Stockholders Equity Note [Line Items]
Dividend rate of preferred stock	10.00%
2017 Equity Units and Capped call Transactions | Series C Preferred Stock | Maximum
Stockholders Equity Note [Line Items]
Option indexed to issuer's equity, strike price (in dollars per share)													$ 179.53
2017 Equity Units and Capped call Transactions | Series C Preferred Stock | Minimum
Stockholders Equity Note [Line Items]
Option indexed to issuer's equity, strike price (in dollars per share)													$ 162.27
2017 Equity Units and Capped call Transactions | Series C Preferred Stock | 2017 Equity Units
Stockholders Equity Note [Line Items]
Preferred stock, quarterly payments | $											$ 117.1