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- Definition

Debt Instrument, Covenant, Leverage Ratio, Maximum

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Line Of Credit Facility, Percentage Of Quarterly Installment Payments

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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 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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- Definition

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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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		9 Months Ended		12 Months Ended	26 Months Ended	50 Months Ended	62 Months Ended	68 Months Ended	71 Months Ended
	Oct. 26, 2018 $ / shares	Sep. 30, 2018 USD ($) Rate	Sep. 30, 2017 USD ($)	Sep. 30, 2018 USD ($) $ / shares Rate	Sep. 30, 2017 USD ($)	Dec. 31, 2017 USD ($)	Jun. 30, 2019	Jun. 30, 2021	Jun. 30, 2022	Dec. 31, 2022	Mar. 31, 2023	Jun. 30, 2020	Oct. 18, 2018 USD ($)	Jun. 30, 2018 USD ($)	Mar. 20, 2018 USD ($)	Dec. 31, 2016 USD ($)
Debt Instrument [Line Items]
Face amount of debt instrument		$ 101,174,000		$ 101,174,000		$ 108,979,000
Other restrictions on payments of dividends (USD per share) \| $ / shares				$ 0.01
Interest expense		46,000,000	$ 41,000,000	$ 140,000,000	$ 130,000,000
Secured Debt \| Term Loan A
Debt Instrument [Line Items]
Face amount of debt instrument		$ 1,500,000,000.0		$ 1,500,000,000.0
Credit facility interest rate (as a percent) \| Rate		3.74%		3.74%
Secured Debt \| Term Loan A-2
Debt Instrument [Line Items]
Face amount of debt instrument		$ 1,370,000,000.00		$ 1,370,000,000.00
Credit facility interest rate (as a percent) \| Rate		3.66%		3.66%
Secured Debt \| Term Loan B-2
Debt Instrument [Line Items]
Face amount of debt instrument															$ 1,140,000,000.00
Credit facility interest rate (as a percent) \| Rate		3.99%		3.99%
Secured Debt \| Revolving Credit Facility
Debt Instrument [Line Items]
Face amount of debt instrument		$ 1,500,000,000.0		$ 1,500,000,000.0
Maximum borrowing capacity														$ 5,500,000,000
Line of credit
Debt Instrument [Line Items]
Maximum borrowing capacity		828,200,000.0		828,200,000.0
Remaining borrowing capacity		759,900,000		759,900,000
Net repayments of settlement lines of credit				68,500,000		59,300,000
Amount outstanding under lines of credit		$ 685,900,000		$ 685,900,000		$ 635,200,000
Weighted-average interest rate of short-term debt (as a percent)		2.81%		2.81%		1.97%
Average outstanding balance		$ 409,800,000
Interest rate swap
Debt Instrument [Line Items]
Accumulated other comprehensive income (loss) related to interest rate		$ 9,900,000		$ 9,900,000
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 \| Secured Debt
Debt Instrument [Line Items]
Effective interest rate (as a percent) \| Rate		3.66%		3.66%
Revolving Credit Facility \| Forecast \| Term Loan A
Debt Instrument [Line Items]
Rate of quarterly installment payments (as a percent)							0.625%	1.25%	1.875%	2.50%
Revolving Credit Facility \| Forecast \| Term Loan B-2
Debt Instrument [Line Items]
Rate of quarterly installment payments (as a percent)											0.25%
Revolving Credit Facility \| Forecast \| Fourth Amendment
Debt Instrument [Line Items]
Maximum leverage ratio							4.75					4.50
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		$ 636,400,000		$ 636,400,000												$ 473,300,000
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%
Subsequent Event
Debt Instrument [Line Items]
Other restrictions on payments of dividends (USD per share) \| $ / shares	$ 0.01
Subsequent Event \| Secured Debt \| Term Loan B-4
Debt Instrument [Line Items]
Face amount of debt instrument													$ 500,000,000