2.2.0.7 false Foreign Exchange Risk Management - Additional Information (Detail) 178 - Disclosure - Foreign Exchange Risk Management - Additional Information (Detail) true false false false 1 USD false false iso4217_USD Standard http://www.xbrl.org/2003/iso4217 USD iso4217 0 pure Standard http://www.xbrl.org/2003/instance pure 0 shares Standard http://www.xbrl.org/2003/instance shares 0 $ 5 3 us-gaap_MaximumRemainingMaturityOfForeignCurrencyDerivatives us-gaap true na instant No definition available. false false false false false false false false false false false false 1 false false false false 0 0 18 Months 18 Months false false false us-types:durationStringItemType normalizedstring Maximum amount of time remaining before foreign currency exchange rate derivatives mature or expire. No authoritative reference available. false 1 1 false UnKnown UnKnown UnKnown false true