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v2.4.1.9

Assets and Liabilities Measured at Fair Value on Recurring Basis (Detail) (USD $) In Thousands, unless otherwise specified | Apr. 03, 2015 | Jan. 02, 2015
--- | --- | ---
Assets |  |  |  |
Money market securities | $ 48,940 us-gaap_CashAndCashEquivalentsFairValueDisclosure | [1] | $ 45,478 us-gaap_CashAndCashEquivalentsFairValueDisclosure | [2]
Total | 114,226 us-gaap_AssetsFairValueDisclosure |  | 114,239 us-gaap_AssetsFairValueDisclosure |
Liabilities |  |  |  |
Deferred compensation plan | 51,419 expo_DeferredCompensationPlanLiabilitiesFairValueDisclosure | [3] | 45,394 expo_DeferredCompensationPlanLiabilitiesFairValueDisclosure | [4]
Total | 51,419 us-gaap_LiabilitiesFairValueDisclosure |  | 45,394 us-gaap_LiabilitiesFairValueDisclosure |
Fixed income securities |  |  |  |
Assets |  |  |  |
Fixed income available-for-sale securities | 21,368 us-gaap_AvailableForSaleSecurities / us-gaap_FairValueByAssetClassAxis = us-gaap_FixedIncomeSecuritiesMember | [5] | 24,913 us-gaap_AvailableForSaleSecurities / us-gaap_FairValueByAssetClassAxis = us-gaap_FixedIncomeSecuritiesMember | [6]
Fixed income trading securities held in deferred compensation plan | 12,376 expo_DeferredCompensationPlanAssetsFixedIncomeTradingSecuritiesFairValueDisclosure / us-gaap_FairValueByAssetClassAxis = us-gaap_FixedIncomeSecuritiesMember | [7] | 9,672 expo_DeferredCompensationPlanAssetsFixedIncomeTradingSecuritiesFairValueDisclosure / us-gaap_FairValueByAssetClassAxis = us-gaap_FixedIncomeSecuritiesMember | [8]
Equity securities |  |  |  |
Assets |  |  |  |
Equity trading securities held in deferred compensation plan | 31,542 expo_DeferredCompensationPlanAssetsEquityTradingSecuritiesFairValueDisclosure / us-gaap_FairValueByAssetClassAxis = us-gaap_EquitySecuritiesMember | [7] | 34,176 expo_DeferredCompensationPlanAssetsEquityTradingSecuritiesFairValueDisclosure / us-gaap_FairValueByAssetClassAxis = us-gaap_EquitySecuritiesMember | [8]
Fair Value, Inputs, Level 1 |  |  |  |
Assets |  |  |  |
Money market securities | 48,940 us-gaap_CashAndCashEquivalentsFairValueDisclosure / us-gaap_FairValueByFairValueHierarchyLevelAxis = us-gaap_FairValueInputsLevel1Member | [1] | 45,478 us-gaap_CashAndCashEquivalentsFairValueDisclosure / us-gaap_FairValueByFairValueHierarchyLevelAxis = us-gaap_FairValueInputsLevel1Member | [2]
Total | 92,858 us-gaap_AssetsFairValueDisclosure / us-gaap_FairValueByFairValueHierarchyLevelAxis = us-gaap_FairValueInputsLevel1Member |  | 89,326 us-gaap_AssetsFairValueDisclosure / us-gaap_FairValueByFairValueHierarchyLevelAxis = us-gaap_FairValueInputsLevel1Member |
Liabilities |  |  |  |
Deferred compensation plan | 51,419 expo_DeferredCompensationPlanLiabilitiesFairValueDisclosure / us-gaap_FairValueByFairValueHierarchyLevelAxis = us-gaap_FairValueInputsLevel1Member | [3] | 45,394 expo_DeferredCompensationPlanLiabilitiesFairValueDisclosure / us-gaap_FairValueByFairValueHierarchyLevelAxis = us-gaap_FairValueInputsLevel1Member | [4]
Total | 51,419 us-gaap_LiabilitiesFairValueDisclosure / us-gaap_FairValueByFairValueHierarchyLevelAxis = us-gaap_FairValueInputsLevel1Member |  | 45,394 us-gaap_LiabilitiesFairValueDisclosure / us-gaap_FairValueByFairValueHierarchyLevelAxis = us-gaap_FairValueInputsLevel1Member |
Fair Value, Inputs, Level 1 | Fixed income securities |  |  |  |
Assets |  |  |  |
Fixed income available-for-sale securities | 0 us-gaap_AvailableForSaleSecurities / us-gaap_FairValueByAssetClassAxis = us-gaap_FixedIncomeSecuritiesMember / us-gaap_FairValueByFairValueHierarchyLevelAxis = us-gaap_FairValueInputsLevel1Member | [5] | 0 us-gaap_AvailableForSaleSecurities / us-gaap_FairValueByAssetClassAxis = us-gaap_FixedIncomeSecuritiesMember / us-gaap_FairValueByFairValueHierarchyLevelAxis = us-gaap_FairValueInputsLevel1Member | [6]
Fixed income trading securities held in deferred compensation plan | 12,376 expo_DeferredCompensationPlanAssetsFixedIncomeTradingSecuritiesFairValueDisclosure / us-gaap_FairValueByAssetClassAxis = us-gaap_FixedIncomeSecuritiesMember / us-gaap_FairValueByFairValueHierarchyLevelAxis = us-gaap_FairValueInputsLevel1Member | [7] | 9,672 expo_DeferredCompensationPlanAssetsFixedIncomeTradingSecuritiesFairValueDisclosure / us-gaap_FairValueByAssetClassAxis = us-gaap_FixedIncomeSecuritiesMember / us-gaap_FairValueByFairValueHierarchyLevelAxis = us-gaap_FairValueInputsLevel1Member | [8]
Fair Value, Inputs, Level 1 | Equity securities |  |  |  |
Assets |  |  |  |
Equity trading securities held in deferred compensation plan | 31,542 expo_DeferredCompensationPlanAssetsEquityTradingSecuritiesFairValueDisclosure / us-gaap_FairValueByAssetClassAxis = us-gaap_EquitySecuritiesMember / us-gaap_FairValueByFairValueHierarchyLevelAxis = us-gaap_FairValueInputsLevel1Member | [7] | 34,176 expo_DeferredCompensationPlanAssetsEquityTradingSecuritiesFairValueDisclosure / us-gaap_FairValueByAssetClassAxis = us-gaap_EquitySecuritiesMember / us-gaap_FairValueByFairValueHierarchyLevelAxis = us-gaap_FairValueInputsLevel1Member | [8]
Fair Value, Inputs, Level 2 |  |  |  |
Assets |  |  |  |
Money market securities | 0 us-gaap_CashAndCashEquivalentsFairValueDisclosure / us-gaap_FairValueByFairValueHierarchyLevelAxis = us-gaap_FairValueInputsLevel2Member | [1] | 0 us-gaap_CashAndCashEquivalentsFairValueDisclosure / us-gaap_FairValueByFairValueHierarchyLevelAxis = us-gaap_FairValueInputsLevel2Member | [2]
Total | 21,368 us-gaap_AssetsFairValueDisclosure / us-gaap_FairValueByFairValueHierarchyLevelAxis = us-gaap_FairValueInputsLevel2Member |  | 24,913 us-gaap_AssetsFairValueDisclosure / us-gaap_FairValueByFairValueHierarchyLevelAxis = us-gaap_FairValueInputsLevel2Member |
Liabilities |  |  |  |
Deferred compensation plan | 0 expo_DeferredCompensationPlanLiabilitiesFairValueDisclosure / us-gaap_FairValueByFairValueHierarchyLevelAxis = us-gaap_FairValueInputsLevel2Member | [3] | 0 expo_DeferredCompensationPlanLiabilitiesFairValueDisclosure / us-gaap_FairValueByFairValueHierarchyLevelAxis = us-gaap_FairValueInputsLevel2Member | [4]
Total | 0 us-gaap_LiabilitiesFairValueDisclosure / us-gaap_FairValueByFairValueHierarchyLevelAxis = us-gaap_FairValueInputsLevel2Member |  | 0 us-gaap_LiabilitiesFairValueDisclosure / us-gaap_FairValueByFairValueHierarchyLevelAxis = us-gaap_FairValueInputsLevel2Member |
Fair Value, Inputs, Level 2 | Fixed income securities |  |  |  |
Assets |  |  |  |
Fixed income available-for-sale securities | 21,368 us-gaap_AvailableForSaleSecurities / us-gaap_FairValueByAssetClassAxis = us-gaap_FixedIncomeSecuritiesMember / us-gaap_FairValueByFairValueHierarchyLevelAxis = us-gaap_FairValueInputsLevel2Member | [5] | 24,913 us-gaap_AvailableForSaleSecurities / us-gaap_FairValueByAssetClassAxis = us-gaap_FixedIncomeSecuritiesMember / us-gaap_FairValueByFairValueHierarchyLevelAxis = us-gaap_FairValueInputsLevel2Member | [6]
Fixed income trading securities held in deferred compensation plan | 0 expo_DeferredCompensationPlanAssetsFixedIncomeTradingSecuritiesFairValueDisclosure / us-gaap_FairValueByAssetClassAxis = us-gaap_FixedIncomeSecuritiesMember / us-gaap_FairValueByFairValueHierarchyLevelAxis = us-gaap_FairValueInputsLevel2Member | [7] | 0 expo_DeferredCompensationPlanAssetsFixedIncomeTradingSecuritiesFairValueDisclosure / us-gaap_FairValueByAssetClassAxis = us-gaap_FixedIncomeSecuritiesMember / us-gaap_FairValueByFairValueHierarchyLevelAxis = us-gaap_FairValueInputsLevel2Member | [8]
Fair Value, Inputs, Level 2 | Equity securities |  |  |  |
Assets |  |  |  |
Equity trading securities held in deferred compensation plan | 0 expo_DeferredCompensationPlanAssetsEquityTradingSecuritiesFairValueDisclosure / us-gaap_FairValueByAssetClassAxis = us-gaap_EquitySecuritiesMember / us-gaap_FairValueByFairValueHierarchyLevelAxis = us-gaap_FairValueInputsLevel2Member | [7] | 0 expo_DeferredCompensationPlanAssetsEquityTradingSecuritiesFairValueDisclosure / us-gaap_FairValueByAssetClassAxis = us-gaap_EquitySecuritiesMember / us-gaap_FairValueByFairValueHierarchyLevelAxis = us-gaap_FairValueInputsLevel2Member | [8]
Fair Value, Inputs, Level 3 |  |  |  |
Assets |  |  |  |
Money market securities | 0 us-gaap_CashAndCashEquivalentsFairValueDisclosure / us-gaap_FairValueByFairValueHierarchyLevelAxis = us-gaap_FairValueInputsLevel3Member | [1] | 0 us-gaap_CashAndCashEquivalentsFairValueDisclosure / us-gaap_FairValueByFairValueHierarchyLevelAxis = us-gaap_FairValueInputsLevel3Member | [2]
Total | 0 us-gaap_AssetsFairValueDisclosure / us-gaap_FairValueByFairValueHierarchyLevelAxis = us-gaap_FairValueInputsLevel3Member |  | 0 us-gaap_AssetsFairValueDisclosure / us-gaap_FairValueByFairValueHierarchyLevelAxis = us-gaap_FairValueInputsLevel3Member |
Liabilities |  |  |  |
Deferred compensation plan | 0 expo_DeferredCompensationPlanLiabilitiesFairValueDisclosure / us-gaap_FairValueByFairValueHierarchyLevelAxis = us-gaap_FairValueInputsLevel3Member | [3] | 0 expo_DeferredCompensationPlanLiabilitiesFairValueDisclosure / us-gaap_FairValueByFairValueHierarchyLevelAxis = us-gaap_FairValueInputsLevel3Member | [4]
Total | 0 us-gaap_LiabilitiesFairValueDisclosure / us-gaap_FairValueByFairValueHierarchyLevelAxis = us-gaap_FairValueInputsLevel3Member |  | 0 us-gaap_LiabilitiesFairValueDisclosure / us-gaap_FairValueByFairValueHierarchyLevelAxis = us-gaap_FairValueInputsLevel3Member |
Fair Value, Inputs, Level 3 | Fixed income securities |  |  |  |
Assets |  |  |  |
Fixed income available-for-sale securities | 0 us-gaap_AvailableForSaleSecurities / us-gaap_FairValueByAssetClassAxis = us-gaap_FixedIncomeSecuritiesMember / us-gaap_FairValueByFairValueHierarchyLevelAxis = us-gaap_FairValueInputsLevel3Member | [5] | 0 us-gaap_AvailableForSaleSecurities / us-gaap_FairValueByAssetClassAxis = us-gaap_FixedIncomeSecuritiesMember / us-gaap_FairValueByFairValueHierarchyLevelAxis = us-gaap_FairValueInputsLevel3Member | [6]
Fixed income trading securities held in deferred compensation plan | 0 expo_DeferredCompensationPlanAssetsFixedIncomeTradingSecuritiesFairValueDisclosure / us-gaap_FairValueByAssetClassAxis = us-gaap_FixedIncomeSecuritiesMember / us-gaap_FairValueByFairValueHierarchyLevelAxis = us-gaap_FairValueInputsLevel3Member | [7] | 0 expo_DeferredCompensationPlanAssetsFixedIncomeTradingSecuritiesFairValueDisclosure / us-gaap_FairValueByAssetClassAxis = us-gaap_FixedIncomeSecuritiesMember / us-gaap_FairValueByFairValueHierarchyLevelAxis = us-gaap_FairValueInputsLevel3Member | [8]
Fair Value, Inputs, Level 3 | Equity securities |  |  |  |
Assets |  |  |  |
Equity trading securities held in deferred compensation plan | $ 0 expo_DeferredCompensationPlanAssetsEquityTradingSecuritiesFairValueDisclosure / us-gaap_FairValueByAssetClassAxis = us-gaap_EquitySecuritiesMember / us-gaap_FairValueByFairValueHierarchyLevelAxis = us-gaap_FairValueInputsLevel3Member | [7] | $ 0 expo_DeferredCompensationPlanAssetsEquityTradingSecuritiesFairValueDisclosure / us-gaap_FairValueByAssetClassAxis = us-gaap_EquitySecuritiesMember / us-gaap_FairValueByFairValueHierarchyLevelAxis = us-gaap_FairValueInputsLevel3Member | [8]
[1] | Included in cash and cash equivalents on the Company’s unaudited condensed consolidated balance sheet.
[2] | Included in cash and cash equivalents on the Company’s consolidated balance sheet.
[3] | Included in accrued payroll and employee benefits and deferred compensation on the Company’s unaudited condensed consolidated balance sheet.
[4] | Included in accrued payroll and employee benefits and deferred compensation on the Company’s consolidated balance sheet.
[5] | Included in short-term investments on the Company’s unaudited condensed consolidated balance sheet.
[6] | Included in short-term investments on the Company’s consolidated balance sheet.
[7] | Included in prepaid expenses and other assets and deferred compensation plan assets on the Company’s unaudited condensed consolidated balance sheet.
[8] | Included in prepaid expenses and other assets and deferred compensation plan assets on the Company’s consolidated balance sheet.

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