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Financial Derivatives and Hedging Activities - Outstanding Derivatives Used to Hedge Foreign Exchange Risks (Detail) ₱ in Thousands, € in Thousands, ¥ in Thousands, £ in Thousands, SFr in Thousands, $ in Thousands, $ in Thousands | Dec. 31, 2022 EUR (€) | Dec. 31, 2022 USD ($) | Dec. 31, 2022 PHP (₱) | Dec. 31, 2022 CAD ($) | Dec. 31, 2022 GBP (£) | Dec. 31, 2022 CHF (SFr) | Dec. 31, 2022 CNY (¥) | Dec. 31, 2021 EUR (€) | Dec. 31, 2021 USD ($) | Dec. 31, 2021 PHP (₱) | Dec. 31, 2021 CAD ($) | Dec. 31, 2021 GBP (£) | Dec. 31, 2021 CHF (SFr) | Dec. 31, 2021 CNY (¥)
--- | --- | --- | --- | --- | --- | --- | --- | --- | --- | --- | --- | --- | --- | ---
U.S. Dollar / British Pound | Not Designated as Hedging | Sell Notional |  |  |  |  |  |  |  |  |  |  |  |  |  |
Derivative Instruments And Hedging Activities Disclosures [Line Items] |  |  |  |  |  |  |  |  |  |  |  |  |  |
Derivative notional amount |  | $ 28,600 |  |  |  |  |  |  | $ 26,600 |  |  |  |  |
Euro / U.S. Dollar | Not Designated as Hedging | Sell Notional |  |  |  |  |  |  |  |  |  |  |  |  |  |
Derivative Instruments And Hedging Activities Disclosures [Line Items] |  |  |  |  |  |  |  |  |  |  |  |  |  |
Derivative notional amount | € | € 9,630 |  |  |  |  |  |  | € 11,000 |  |  |  |  |  |
Euro / U.S. Dollar | Not Designated as Hedging | Buy Notional |  |  |  |  |  |  |  |  |  |  |  |  |  |
Derivative Instruments And Hedging Activities Disclosures [Line Items] |  |  |  |  |  |  |  |  |  |  |  |  |  |
Derivative notional amount | € | 2,900 |  |  |  |  |  |  | 20,900 |  |  |  |  |  |
British Pound / Euro | Not Designated as Hedging | Sell Notional |  |  |  |  |  |  |  |  |  |  |  |  |  |
Derivative Instruments And Hedging Activities Disclosures [Line Items] |  |  |  |  |  |  |  |  |  |  |  |  |  |
Derivative notional amount | £ |  |  |  |  | £ 2,800 |  |  |  |  |  |  | £ 3,400 |  |
British Pound / Euro | Not Designated as Hedging | Buy Notional |  |  |  |  |  |  |  |  |  |  |  |  |  |
Derivative Instruments And Hedging Activities Disclosures [Line Items] |  |  |  |  |  |  |  |  |  |  |  |  |  |
Derivative notional amount | £ |  |  |  |  | 15,950 |  |  |  |  |  |  | 5,300 |  |
U.S. Dollar / Swiss Franc | Not Designated as Hedging | Sell Notional |  |  |  |  |  |  |  |  |  |  |  |  |  |
Derivative Instruments And Hedging Activities Disclosures [Line Items] |  |  |  |  |  |  |  |  |  |  |  |  |  |
Derivative notional amount |  | 0 |  |  |  |  |  |  | 2,180 |  |  |  |  |
British Pound / Swiss Franc | Not Designated as Hedging | Sell Notional |  |  |  |  |  |  |  |  |  |  |  |  |  |
Derivative Instruments And Hedging Activities Disclosures [Line Items] |  |  |  |  |  |  |  |  |  |  |  |  |  |
Derivative notional amount | £ |  |  |  |  | £ 2,535 |  |  |  |  |  |  | £ 1,025 |  |
Euro / Swiss Franc | Not Designated as Hedging | Sell Notional |  |  |  |  |  |  |  |  |  |  |  |  |  |
Derivative Instruments And Hedging Activities Disclosures [Line Items] |  |  |  |  |  |  |  |  |  |  |  |  |  |
Derivative notional amount | € | 0 |  |  |  |  |  |  | 2,750 |  |  |  |  |  |
Swiss Franc / Euro | Not Designated as Hedging | Buy Notional |  |  |  |  |  |  |  |  |  |  |  |  |  |
Derivative Instruments And Hedging Activities Disclosures [Line Items] |  |  |  |  |  |  |  |  |  |  |  |  |  |
Derivative notional amount | SFr |  |  |  |  |  | SFr 2,250 |  |  |  |  |  |  | SFr 0 |
Swiss Franc / U.S. Dollar | Not Designated as Hedging | Buy Notional |  |  |  |  |  |  |  |  |  |  |  |  |  |
Derivative Instruments And Hedging Activities Disclosures [Line Items] |  |  |  |  |  |  |  |  |  |  |  |  |  |
Derivative notional amount | SFr |  |  |  |  |  | SFr 930 |  |  |  |  |  |  | SFr 0 |
Chinese Yuan / U.S. Dollar | Not Designated as Hedging | Buy Notional |  |  |  |  |  |  |  |  |  |  |  |  |  |
Derivative Instruments And Hedging Activities Disclosures [Line Items] |  |  |  |  |  |  |  |  |  |  |  |  |  |
Derivative notional amount | ¥ |  |  |  |  |  |  | ¥ 4,400 |  |  |  |  |  |  | ¥ 0
Cash Flow Hedges | Euro / British Pound | Designated as Hedging | Sell Notional |  |  |  |  |  |  |  |  |  |  |  |  |  |
Derivative Instruments And Hedging Activities Disclosures [Line Items] |  |  |  |  |  |  |  |  |  |  |  |  |  |
Derivative notional amount | € | € 18,961 |  |  |  |  |  |  | € 18,823 |  |  |  |  |  |
Cash Flow Hedges | U.S. Dollar / British Pound | Designated as Hedging | Sell Notional |  |  |  |  |  |  |  |  |  |  |  |  |  |
Derivative Instruments And Hedging Activities Disclosures [Line Items] |  |  |  |  |  |  |  |  |  |  |  |  |  |
Derivative notional amount |  | 34,501 |  |  |  |  |  |  | 16,205 |  |  |  |  |
Cash Flow Hedges | U.S. Dollar / Euro | Designated as Hedging | Sell Notional |  |  |  |  |  |  |  |  |  |  |  |  |  |
Derivative Instruments And Hedging Activities Disclosures [Line Items] |  |  |  |  |  |  |  |  |  |  |  |  |  |
Derivative notional amount |  | 824 |  |  |  |  |  |  | 658 |  |  |  |  |
Cash Flow Hedges | Euro / Philippine Peso | Designated as Hedging | Buy Notional |  |  |  |  |  |  |  |  |  |  |  |  |  |
Derivative Instruments And Hedging Activities Disclosures [Line Items] |  |  |  |  |  |  |  |  |  |  |  |  |  |
Derivative notional amount | ₱ |  |  | ₱ 1,030,114 |  |  |  |  |  |  | ₱ 896,291 |  |  |  |
Cash Flow Hedges | British Pound / Philippine Peso | Designated as Hedging | Buy Notional |  |  |  |  |  |  |  |  |  |  |  |  |  |
Derivative Instruments And Hedging Activities Disclosures [Line Items] |  |  |  |  |  |  |  |  |  |  |  |  |  |
Derivative notional amount | ₱ |  |  | ₱ 1,144,839 |  |  |  |  |  |  | ₱ 1,121,183 |  |  |  |
Cash Flow Hedges | Euro / U.S. Dollar | Designated as Hedging | Buy Notional |  |  |  |  |  |  |  |  |  |  |  |  |  |
Derivative Instruments And Hedging Activities Disclosures [Line Items] |  |  |  |  |  |  |  |  |  |  |  |  |  |
Derivative notional amount |  | $ 78,435 |  |  |  |  |  |  | $ 108,467 |  |  |  |  |
Cash Flow Hedges | U.S. Dollar / Canadian Dollar | Designated as Hedging | Buy Notional |  |  |  |  |  |  |  |  |  |  |  |  |  |
Derivative Instruments And Hedging Activities Disclosures [Line Items] |  |  |  |  |  |  |  |  |  |  |  |  |  |
Derivative notional amount |  |  |  | $ 36,423 |  |  |  |  |  |  | $ 36,904 |  |  |

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