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DEBT - Narrative (Details) € in Millions |  | 3 Months Ended | 12 Months Ended |  |  |  |
--- | --- | --- | --- | --- | --- | --- | ---
Jun. 30, 2021 USD ($) extension | Sep. 30, 2022 USD ($) | Jun. 30, 2022 USD ($) | Dec. 31, 2022 USD ($) | Dec. 31, 2021 USD ($) | Jul. 06, 2022 | Mar. 07, 2022 USD ($) | Dec. 31, 2021 EUR (€) | Oct. 31, 2020 USD ($)
Debt Instrument [Line Items] |  |  |  |  |  |  |  |  |
Short-term borrowing |  |  |  | $ 3,810,000 | $ 147,276,000 |  |  |  |
Money Market Borrowing Arrangement |  |  |  |  |  |  |  |  |
Debt Instrument [Line Items] |  |  |  |  |  |  |  |  |
Short-term borrowing |  |  |  | 0 | 0 |  |  |  |
Short-term borrowing, maximum borrowing capacity |  |  |  |  |  |  |  |  | $ 30,000,000
Amended Revolving Credit Facility Maturing In June 2026 |  |  |  |  |  |  |  |  |
Debt Instrument [Line Items] |  |  |  |  |  |  |  |  |
Line of credit facility, number of extensions | extension | 2 |  |  |  |  |  |  |  |
Line of credit facility, duration of extension (in years) | 1 year |  |  |  |  |  |  |  |
Line of credit facility, maximum borrowing capacity | $ 600,000,000 |  |  |  |  |  |  |  |
Line of credit facility, increase limit | $ 300,000,000 |  |  |  |  |  |  |  |
Compensating balance, amount |  |  |  | 0 |  |  |  |  |
Interest and fees |  |  |  | 1,200,000 | 1,100,000 |  |  |  |
Amended Revolving Credit Facility Maturing In June 2026 | United States |  |  |  |  |  |  |  |  |
Debt Instrument [Line Items] |  |  |  |  |  |  |  |  |
Short-term borrowing |  |  |  |  | 133,000,000 |  |  |  |
Amended Revolving Credit Facility Maturing In June 2026 | United Kingdom |  |  |  |  |  |  |  |  |
Debt Instrument [Line Items] |  |  |  |  |  |  |  |  |
Short-term borrowing |  |  |  |  | 11,400,000 |  |  | € 10 |
Prior Credit Facility |  |  |  |  |  |  |  |  |
Debt Instrument [Line Items] |  |  |  |  |  |  |  |  |
Short-term borrowing |  |  |  |  | 56,000,000 |  |  |  |
Unsecured Lines Of Credit |  |  |  |  |  |  |  |  |
Debt Instrument [Line Items] |  |  |  |  |  |  |  |  |
Line of credit facility, average outstanding amount |  |  |  | $ 38,500,000 | $ 37,800,000 |  |  |  |
Short-term debt, weighted average interest rate, over time |  |  |  | 1.20% | 1.10% |  |  |  |
Senior unsecured notes 3.6%, due in 2032, net of discount of $1.0 million |  |  |  |  |  |  |  |  |
Debt Instrument [Line Items] |  |  |  |  |  |  |  |  |
Debt instrument, face amount |  |  |  |  |  |  | $ 400,000,000 |  |
Interest rate on notes (as a percent) |  |  |  | 3.60% |  | 3.60% | 3.60% |  |
Private Placement Notes | Unsecured Debt |  |  |  |  |  |  |  |  |
Debt Instrument [Line Items] |  |  |  |  |  |  |  |  |
Interest rate on notes (as a percent) |  | 3.49% | 3.25% |  |  |  |  |  |
Repayments of unsecured debt |  | $ 125,000,000 | $ 75,000,000 |  |  |  |  |  |
Repayment of unsecured debt, make-whole payment |  |  | $ 400,000 |  |  |  |  |  |

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