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v3.23.3

Contingencies - Additional Information (Details) $ in Millions | 3 Months Ended
--- | ---
Jun. 30, 2023 USD ($)
Commitments and Contingencies Disclosure [Abstract] |
Concession amount | $ 2

X
- Definition Concession amount. + References No definition available. + Details
Name: | expo_ConcessionAmount
Namespace Prefix: | expo_
Data Type: | xbrli:monetaryItemType
Balance Type: | debit
Period Type: | duration

X
- References No definition available. + Details
Name: | us-gaap_CommitmentsAndContingenciesDisclosureAbstract
Namespace Prefix: | us-gaap_
Data Type: | xbrli:stringItemType
Balance Type: | na
Period Type: | duration