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DEBT - New Senior Notes (Details) - USD ($)		3 Months Ended			9 Months Ended
DEBT - New Senior Notes (Details) - USD ($)	Oct. 06, 2021	Dec. 31, 2021	Sep. 30, 2021	Mar. 31, 2020	Sep. 30, 2021	Sep. 30, 2020	Sep. 28, 2021	Sep. 26, 2017
Debt Instrument [Line Items]
Principal payments under term loan credit facility					$ 30,000,000	$ 135,228,000
Loss on debt extinguishment			$ 500,000		$ 452,000	$ 219,000
Revolving Credit Agreement
Debt Instrument [Line Items]
Proceeds from issuance of long-term debt				$ 45,000,000
Line of credit facility, increase in borrowing capacity							$ 50,000,000
Old Senior Notes Due 2025 \| Forecast
Debt Instrument [Line Items]
Loss on debt extinguishment		$ 9,000,000
Senior Notes \| New Senior Notes \| Subsequent Event
Debt Instrument [Line Items]
Notes issued, aggregate principal amount	$ 400,000,000
Notes issued, interest rate	4.50%
Debt instrument, redemption price, percentage	100.00%
Debt instrument, redemption price, percentage of principal amount remaining	60.00%
Proceeds from issuance of long-term debt	$ 395,000,000
Senior Notes \| New Senior Notes \| Debt Instrument, Redemption, Period One \| Subsequent Event
Debt Instrument [Line Items]
Debt instrument, redemption price, percentage	104.50%
Debt instrument, redemption price, percentage of principal amount redeemed	40.00%
Senior Notes \| New Senior Notes \| Debt Instrument, Redemption, Period Two \| Subsequent Event
Debt Instrument [Line Items]
Debt instrument, redemption price, percentage	102.25%
Senior Notes \| New Senior Notes \| Debt Instrument, Redemption, Period Three \| Subsequent Event
Debt Instrument [Line Items]
Debt instrument, redemption price, percentage	101.125%
Senior Notes \| New Senior Notes \| Debt Instrument, Redemption, Period Four \| Subsequent Event
Debt Instrument [Line Items]
Debt instrument, redemption price, percentage	100.00%
Senior Notes \| New Senior Notes \| Debt Instrument, Redemption, Period Five \| Subsequent Event
Debt Instrument [Line Items]
Debt instrument, redemption price, percentage	101.00%
Senior Notes \| Old Senior Notes Due 2025
Debt Instrument [Line Items]
Notes issued, aggregate principal amount								$ 325,000,000
Notes issued, interest rate								5.50%
Term Loan Credit Agreement \| New Senior Notes \| Subsequent Event
Debt Instrument [Line Items]
Principal payments under term loan credit facility	$ 108,800,000