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DERIVATIVES (NOTIONAL TABLE) (Details) ₱ in Thousands, $ in Thousands, $ in Thousands, $ in Thousands | Sep. 30, 2021 CAD ($) | Sep. 30, 2021 USD ($) | Sep. 30, 2021 PHP (₱) | Sep. 30, 2021 MXN ($) | Dec. 31, 2020 CAD ($) | Dec. 31, 2020 USD ($) | Dec. 31, 2020 PHP (₱) | Dec. 31, 2020 MXN ($)
--- | --- | --- | --- | --- | --- | --- | --- | ---
Derivative [Line Items] |  |  |  |  |  |  |  |
Notional Amount |  | $ 28,300 |  |  |  | $ 35,500 |  |
CAD |  |  |  |  |  |  |  |
Derivative [Line Items] |  |  |  |  |  |  |  |
Contract Maturity Date | Jun. 30, 2022 |  |  |  |  |  |  |
PHP |  |  |  |  |  |  |  |
Derivative [Line Items] |  |  |  |  |  |  |  |
Contract Maturity Date | Sep. 30, 2024 |  |  |  |  |  |  |
MXN |  |  |  |  |  |  |  |
Derivative [Line Items] |  |  |  |  |  |  |  |
Contract Maturity Date | Dec. 31, 2024 |  |  |  |  |  |  |
Foreign Exchange Forward |  |  |  |  |  |  |  |
Derivative [Line Items] |  |  |  |  |  |  |  |
Notional Amount |  | 214,492 |  |  |  | 184,719 |  |
Foreign Exchange Forward | CAD |  |  |  |  |  |  |  |
Derivative [Line Items] |  |  |  |  |  |  |  |
Notional Amount | $ 4,500 | $ 3,533 |  |  | $ 2,450 | 1,853 |  |
% Maturing in the Next 12 Months | 100.00% | 100.00% | 100.00% | 100.00% |  |  |  |
Foreign Exchange Forward | PHP |  |  |  |  |  |  |  |
Derivative [Line Items] |  |  |  |  |  |  |  |
Notional Amount |  | $ 152,318 | ₱ 7,841,000 |  |  | 130,468 | ₱ 6,725,000 |
% Maturing in the Next 12 Months | 52.80% | 52.80% | 52.80% | 52.80% |  |  |  |
Foreign Exchange Forward | MXN |  |  |  |  |  |  |  |
Derivative [Line Items] |  |  |  |  |  |  |  |
Notional Amount |  | $ 58,641 |  | $ 1,313,500 |  | $ 52,398 |  | $ 1,159,500
% Maturing in the Next 12 Months | 42.90% | 42.90% | 42.90% | 42.90% |  |  |  |

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