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Debt Instrument, Covenant, Leverage Ratio, Maximum

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Debt Instrument, Uncommitted Incremental Term Loan Borrowing Capacity

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Line Of Credit Facility, Percentage Of Quarterly Installment Payments

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Aggregate notional amount specified by the derivative(s). Expressed as an absolute value.

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Reference 1: http://www.xbrl.org/2003/role/presentationRef
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-Section 13
-Sentence Column B

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Amount of amortization expense attributable to debt issuance costs.

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

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Face (par) amount of debt instrument at time of issuance.

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Effective interest rate for the funds borrowed under the debt agreement considering interest compounding and original issue discount or premium.

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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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Amount, before accumulated amortization, of debt issuance costs related to line of credit arrangements. Includes, but is not limited to, legal, accounting, underwriting, printing, and registration costs.

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Amount, after accumulated amortization, of debt issuance costs. Includes, but is not limited to, legal, accounting, underwriting, printing, and registration costs.

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Amount of the cost of borrowed funds accounted for as interest expense for debt.

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The estimated net amount of unrealized gains or losses on interest rate cash flow hedges as of the balance sheet date expected to be reclassified to earnings within the next twelve months.

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Average amount borrowed under the credit facility during the period.

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The fee, expressed as a percentage of the line of credit facility, for the line of credit facility regardless of whether the facility has been used.

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Period remaining on line of credit facility before it terminates, in 'PnYnMnDTnHnMnS' format, for example, 'P1Y5M13D' represents the reported fact of one year, five months, and thirteen days.

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The effective interest rate at the end of the reporting period.

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Maximum borrowing capacity under the credit facility without consideration of any current restrictions on the amount that could be borrowed or the amounts currently outstanding under the facility.

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Amount of borrowing capacity currently available under the credit facility (current borrowing capacity less the amount of borrowings outstanding).

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Amount of cash outflow for payment of an obligation from a lender, including but not limited to, letter of credit, standby letter of credit and revolving credit arrangements.

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Reflects the total carrying amount as of the balance sheet date of debt having initial terms less than one year or the normal operating cycle, if longer.

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Weighted average interest rate of short-term debt outstanding calculated at point in time.

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LONG-TERM DEBT AND LINES OF CREDIT - Narrative (Details)			3 Months Ended		6 Months Ended		12 Months Ended	50 Months Ended	62 Months Ended	68 Months Ended	71 Months Ended	101 Months Ended
	Jul. 25, 2019 $ / shares	May 27, 2019 USD ($)	Jun. 30, 2019 USD ($) Rate	Jun. 30, 2018 USD ($)	Jun. 30, 2019 USD ($) $ / shares Rate	Jun. 30, 2018 USD ($)	Dec. 31, 2018 USD ($)	Jun. 30, 2021	Jun. 30, 2022	Dec. 31, 2022	Mar. 31, 2023	Sep. 30, 2025	Jul. 01, 2020	Jun. 30, 2020	Dec. 31, 2019 USD ($)	Jul. 09, 2019 USD ($)
Debt Instrument [Line Items]
Dividends per quarter (USD per share) \| $ / shares					$ 0.01
Interest expense			$ 65,500,000	$ 48,100,000	$ 123,900,000	$ 93,500,000
Unsecured Debt \| Bridge Facility
Debt Instrument [Line Items]
Face amount of debt instrument		$ 2,750,000,000
Expiration period of credit facility		364 days
Debt Instrument, Fee Amount		$ 11,700,000
Amortization of debt issuance fees			2,900,000		2,900,000
Unamortized portion of debt issuance fees			8,800,000		8,800,000
Term Loan \| Term Loan A
Debt Instrument [Line Items]
Face amount of debt instrument			$ 1,500,000,000		$ 1,500,000,000
Credit facility interest rate (as a percent) \| Rate			3.90%		3.90%
Term Loan \| Term Loan A-2
Debt Instrument [Line Items]
Face amount of debt instrument			$ 1,370,000,000		$ 1,370,000,000
Credit facility interest rate (as a percent) \| Rate			3.90%		3.90%
Term Loan \| Term Loan B-2
Debt Instrument [Line Items]
Face amount of debt instrument			$ 1,140,000,000		$ 1,140,000,000
Credit facility interest rate (as a percent) \| Rate			4.15%		4.15%
Term Loan \| Term Loan B-4
Debt Instrument [Line Items]
Face amount of debt instrument			$ 500,000,000		$ 500,000,000
Credit facility interest rate (as a percent) \| Rate			4.15%		4.15%
Term Loan \| Revolving Credit Facility
Debt Instrument [Line Items]
Face amount of debt instrument			$ 1,500,000,000		$ 1,500,000,000
Line of credit
Debt Instrument [Line Items]
Remaining borrowing capacity			628,100,000		628,100,000
Maximum borrowing capacity			873,000,000.0		873,000,000.0
Net repayments of settlement lines of credit					68,900,000		$ 70,600,000
Amount outstanding under lines of credit			$ 736,200,000		$ 736,200,000		$ 700,500,000
Weighted-average interest rate of short-term debt (as a percent)			3.01%		3.01%		2.97%
Average outstanding balance			$ 440,500,000
Interest rate swap
Debt Instrument [Line Items]
Accumulated other comprehensive income (loss) related to interest rate			$ 9,700,000		$ 9,700,000
Subsequent Event
Debt Instrument [Line Items]
Dividends per quarter (USD per share) \| $ / shares	$ 0.01
Subsequent Event \| Unsecured Debt \| Bridge Facility
Debt Instrument [Line Items]
Face amount of debt instrument																$ 2,100,000,000
Forecast \| Unsecured Debt and Senior Notes
Debt Instrument [Line Items]
Face amount of debt instrument															$ 7,500,000,000
Forecast \| Senior Notes
Debt Instrument [Line Items]
Face amount of debt instrument															2,500,000,000
Forecast \| Term Loan \| Term Loan A
Debt Instrument [Line Items]
Rate of quarterly installment payments (as a percent)								1.25%	1.875%	2.50%
Forecast \| Term Loan \| Term Loan B-2
Debt Instrument [Line Items]
Rate of quarterly installment payments (as a percent)											0.25%
Forecast \| Term Loan \| Term Loan B-4
Debt Instrument [Line Items]
Rate of quarterly installment payments (as a percent)												0.25%
Term Loan Facility \| Forecast \| Unsecured Debt \| Five Year Senior Unsecured Credit Facility
Debt Instrument [Line Items]
Face amount of debt instrument															2,000,000,000.0
Uncommitted incremental term loan capacity															1,000,000,000.0
Revolving Credit Facility \| Fourth Amendment
Debt Instrument [Line Items]
Maximum leverage ratio			5.00		5.00
Minimum interest coverage ratio			3.25		3.25
Revolving Credit Facility \| Term Loan
Debt Instrument [Line Items]
Effective interest rate (as a percent) \| Rate			3.89%		3.89%
Revolving Credit Facility \| Forecast \| Fourth Amendment
Debt Instrument [Line Items]
Maximum leverage ratio													4.50	4.75
Revolving Credit Facility \| Forecast \| Unsecured Debt \| Five Year Senior Unsecured Credit Facility
Debt Instrument [Line Items]
Face amount of debt instrument															$ 3,000,000,000.0
Letter of Credit \| Line of credit
Debt Instrument [Line Items]
Maximum borrowing capacity			$ 100,000,000		$ 100,000,000
Standby letters of credit \| Line of credit
Debt Instrument [Line Items]
Remaining borrowing capacity			723,200,000		$ 723,200,000
Minimum \| Revolving Credit Facility \| Fourth Amendment
Debt Instrument [Line Items]
Commitment fee rate (as a percent)					0.20%
Maximum \| Revolving Credit Facility \| Fourth Amendment
Debt Instrument [Line Items]
Commitment fee rate (as a percent)					0.30%
Accounts payable and accrued liabilities \| Forward-starting interest rate swap
Debt Instrument [Line Items]
Notional amount			1,000,000,000.0		$ 1,000,000,000.0
Accounts payable and accrued liabilities \| Interest rate swap
Debt Instrument [Line Items]
Notional amount			$ 1,000,000,000		$ 1,000,000,000		$ 0