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LONG-TERM DEBT - Senior Notes Due 2025 (Details) - USD ($)		3 Months Ended	12 Months Ended
	Sep. 26, 2017	Sep. 30, 2020	Dec. 31, 2021	Dec. 31, 2020	Dec. 31, 2019
Debt Instrument [Line Items]
Borrowings under new senior notes			$ 400,000,000	$ 0	$ 0
Interest expense			$ 23,128,000	24,194,000	27,340,000
Senior Notes | Senior Notes due 2025
Debt Instrument [Line Items]
Debt instrument, face amount	$ 325,000,000
Notes issued, interest rate	5.50%
Borrowings under new senior notes	$ 318,900,000
Debt instrument, redemption price, percentage			101.00%
Debt instrument, redemption price, percentage of principal amount outstanding			60.00%
Interest expense			$ 13,800,000	$ 18,600,000	$ 18,500,000
Repayments of long-term debt		$ 10,000,000
Senior Notes | Prior to October 1, 2020 | Senior Notes due 2025
Debt Instrument [Line Items]
Debt instrument, redemption price, percentage			100.00%
Debt instrument, redemption price, percentage of principal amount redeemed, threshold			40.00%
Debt instrument, redemption price, percentage for first threshold			105.50%
Senior Notes | Twelve-month period beginning October 1, 2020 | Senior Notes due 2025
Debt Instrument [Line Items]
Debt instrument, redemption price, percentage			102.75%
Senior Notes | Twelve-month period beginning October 1, 2021 | Senior Notes due 2025
Debt Instrument [Line Items]
Debt instrument, redemption price, percentage			101.375%
Senior Notes | Twelve-month period beginning on October 1, 2022 | Senior Notes due 2025
Debt Instrument [Line Items]
Debt instrument, redemption price, percentage			100.00%

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