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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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Reference 1: http://www.xbrl.org/2009/role/commonPracticeRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 815
-SubTopic 10
-Section 50
-Paragraph 1B
-URI https://asc.fasb.org/extlink&oid=125515794&loc=SL5580258-113959

Reference 2: http://www.xbrl.org/2009/role/commonPracticeRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 815
-SubTopic 10
-Section 50
-Paragraph 1A
-Subparagraph (d)
-URI https://asc.fasb.org/extlink&oid=125515794&loc=SL5579245-113959

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