FINANCING ARRANGEMENTS - Additional Information (Details) - USD ($)					3 Months Ended			6 Months Ended		12 Months Ended
	Jun. 30, 2023	Apr. 28, 2023	Jan. 24, 2023	Oct. 08, 2021	Jun. 30, 2023	Mar. 31, 2023	Jun. 30, 2022	Jun. 30, 2023	Jun. 30, 2022	Dec. 31, 2022
Debt Instrument [Line Items]
Loss on early extinguishment of debt					$ 0	$ 2,400,000	$ 0	$ 2,362,000	$ 0
Debt fair value	$ 2,300,000,000				2,300,000,000			2,300,000,000		$ 2,400,000,000
2018 Swaps
Debt Instrument [Line Items]
Notional amount of interest rate swap agreements	350,000,000				350,000,000			350,000,000
Reclassification of gain from accumulated other comprehensive loss to interest expense			$ 8,300,000
Interest Rate Swap
Debt Instrument [Line Items]
Reclassification of gain from accumulated other comprehensive loss to interest expense					6,049,000			20,175,000
Derivative asset	49,100,000				49,100,000			49,100,000		60,600,000
Secured senior term loans due October 8, 2028 ("2028 Term Loans") | 2022 Swaps
Debt Instrument [Line Items]
Notional amount of interest rate swap agreements										600,000,000
Unsecured debt | Unsecured senior notes, at 6.375%, due February 1, 2031 ("2031 Notes")
Debt Instrument [Line Items]
Debt Instrument, face amount			500,000,000
Line of Credit | Revolving credit facility
Debt Instrument [Line Items]
Borrowing on credit facility			114,000,000
Revolving credit facility maximum borrowing capacity	400,000,000				400,000,000			400,000,000
Debt outstanding	0				0	$ 114,000,000		0		0
Available to borrow and outstanding letters of credit	274,800,000				274,800,000			274,800,000
Outstanding letters of credit	$ 125,200,000				125,200,000			125,200,000
Period for measurement of average liquidity (in days)		30 days
Line of Credit | Revolving credit facility | Minimum
Debt Instrument [Line Items]
Commitment fee (as a percent)		0.25%
Line of Credit | Revolving credit facility | Maximum
Debt Instrument [Line Items]
Commitment fee (as a percent)		0.375%
Line of Credit | Revolving credit facility | SOFR | Minimum
Debt Instrument [Line Items]
Basis spread on variable rate (as a percent)		1.50%
Line of Credit | Revolving credit facility | SOFR | Maximum
Debt Instrument [Line Items]
Basis spread on variable rate (as a percent)		1.75%
Line of Credit | Revolving credit facility | Base Rate | Minimum
Debt Instrument [Line Items]
Basis spread on variable rate (as a percent)		0.50%
Line of Credit | Revolving credit facility | Base Rate | Maximum
Debt Instrument [Line Items]
Basis spread on variable rate (as a percent)		0.75%
Line of Credit | Secured senior term loans due October 8, 2028 ("2028 Term Loans") | SOFR
Debt Instrument [Line Items]
Basis spread on variable rate (as a percent)	2.11448%			0.11448%
Line of Credit | Secured senior term loans due October 8, 2028 ("2028 Term Loans") | LIBOR
Debt Instrument [Line Items]
Basis spread on variable rate (as a percent)				2.00%
Secured debt | Secured senior term loans due June 30, 2024 ("2024 Term Loans")
Debt Instrument [Line Items]
Repayments of debt			$ 614,000,000
Secured debt | Secured senior term loans due June 30, 2024 ("2024 Term Loans") | 2018 Swaps
Debt Instrument [Line Items]
Debt outstanding	$ 350,000,000				$ 350,000,000			$ 350,000,000
Secured debt | Secured senior term loans due October 8, 2028 ("2028 Term Loans") | 2022 Swaps
Debt Instrument [Line Items]
Debt outstanding										$ 600,000,000
Effective interest rate (as a percent)	4.07898%				4.07898%			4.07898%		2.931%
Secured debt | Secured senior term loans due October 8, 2028 ("2028 Term Loans") | 2022 Swaps | Through June 30, 2023
Debt Instrument [Line Items]
Derivative, fixed interest rate										0.931%
Secured debt | Secured senior term loans due October 8, 2028 ("2028 Term Loans") | 2022 Swaps | From July 1, 2023 through September 30, 2027
Debt Instrument [Line Items]
Derivative, fixed interest rate										1.9645%
Secured debt | Secured senior term loans due October 8, 2028 ("2028 Term Loans") | SOFR
Debt Instrument [Line Items]
Basis spread on variable rate (as a percent)										0.11448%
Secured debt | 2028 Term Loans, Variable Rate
Debt Instrument [Line Items]
Debt outstanding	$ 385,000,000				$ 385,000,000			$ 385,000,000