XML 38 R56.htm IDEA: XBRL DOCUMENT
v2.4.0.8

Fair Value Measurements (Details) (USD $) In Thousands, unless otherwise specified | 9 Months Ended |  |  |  |
--- | --- | --- | --- | --- | ---
Sep. 30, 2014 Impaired long-lived assets | Sep. 30, 2013 Long-term receivable from the sale of Canadian Operations | Sep. 30, 2014 Significant Other Observable Inputs (Level 2) Recurring basis | Dec. 31, 2013 Significant Other Observable Inputs (Level 2) Recurring basis | Sep. 30, 2014 Significant Unobservable Inputs (Level 3) Nonrecurring basis | Sep. 30, 2013 Significant Unobservable Inputs (Level 3) Nonrecurring basis
Summarizes the valuation of interest rate swaps and impaired assets |  |  |  |  |  |
Interest rate swaps asset |  |  | $ 2,925 | $ 322 |  |
Interest rate swaps liability |  |  | (5,225) | (3,374) |  |
Impaired long-lived assets |  |  |  |  | 2,472 | 5,508
Inventory write-down - Restructuring |  |  |  |  | 2,331 |
Long-term receivable from the sale of our Canadian Operations |  |  |  |  |  | $ 7,556
Weighted average disposal period of impaired assets | 4 years |  |  |  |  |
Discount rate (as a percent) | 9.00% | 13.00% |  |  |  |
Settlement period |  | 5 years 6 months |  |  |  |

X
- Definition Represents the settlement period used as an input to measure fair value. + References No definition available. + Details
Name: | exh_FairValueInputsSettlementPeriod
Namespace Prefix: | exh_
Data Type: | xbrli:durationItemType
Balance Type: | na
Period Type: | duration

X
- Definition Weighted average disposal period used to find the present value of an amount to be paid or received in the future as an input to measure fair value. + References No definition available. + Details
Name: | exh_FairValueInputsWeightedAverageDisposalPeriod
Namespace Prefix: | exh_
Data Type: | xbrli:durationItemType
Balance Type: | na
Period Type: | duration

X
- Definition Represents the fair value portion of inventory write-down due to restructuring. + References No definition available. + Details
Name: | exh_InventoryWriteDownOnRestructuringFairValueDisclosure
Namespace Prefix: | exh_
Data Type: | xbrli:monetaryItemType
Balance Type: | debit
Period Type: | instant

X
- Definition Long-lived asset impairment fair value disclosure. + References No definition available. + Details
Name: | exh_LongLivedAssetImpairmentFairValueDisclosure
Namespace Prefix: | exh_
Data Type: | xbrli:monetaryItemType
Balance Type: | debit
Period Type: | instant

X
- Definition Represents the fair value portion of long -term receivable from sale of discontinued operation. + References No definition available. + Details
Name: | exh_LongTermReceivableFromSaleOfDiscontinuedOperationsFairValueDisclosure
Namespace Prefix: | exh_
Data Type: | xbrli:monetaryItemType
Balance Type: | debit
Period Type: | instant

X
- Definition Fair value of financial asset or other contract with one or more underlyings, notional amount or payment provision or both, and the contract can be net settled by means outside the contract or delivery of an asset, not subject to a master netting arrangement. + References Reference 1: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 210 -SubTopic 20 -Section 55 -Paragraph 22 -URI http://asc.fasb.org/extlink&oid=36459792&loc=SL20226052-175313 Reference 2: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 210 -SubTopic 20 -Section 50 -Paragraph 3 -Subparagraph (d) -URI http://asc.fasb.org/extlink&oid=34720828&loc=SL20225862-175312 + Details
Name: | us-gaap_DerivativeAssetNotSubjectToMasterNettingArrangement
Namespace Prefix: | us-gaap_
Data Type: | xbrli:monetaryItemType
Balance Type: | debit
Period Type: | instant

X
- Definition Fair value of financial liability or contract with one or more underlyings, notional amount or payment provision or both, and the contract can be net settled by means outside the contract or delivery of an asset, not subject to a master netting arrangement. + References Reference 1: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 210 -SubTopic 20 -Section 55 -Paragraph 22 -URI http://asc.fasb.org/extlink&oid=36459792&loc=SL20226052-175313 Reference 2: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 210 -SubTopic 20 -Section 50 -Paragraph 3 -Subparagraph (d) -URI http://asc.fasb.org/extlink&oid=34720828&loc=SL20225862-175312 + Details
Name: | us-gaap_DerivativeLiabilityNotSubjectToMasterNettingArrangement
Namespace Prefix: | us-gaap_
Data Type: | xbrli:monetaryItemType
Balance Type: | credit
Period Type: | instant

X
- Details
Name: | us-gaap_FairValueAssetsAndLiabilitiesMeasuredOnRecurringAndNonrecurringBasisAbstract
Namespace Prefix: | us-gaap_
Data Type: | xbrli:stringItemType
Balance Type: | na
Period Type: | duration

X
- Definition Interest rate used to find the present value of an amount to be paid or received in the future as an input to measure fair value. For example, but not limited to, weighted average cost of capital (WACC), cost of capital, cost of equity and cost of debt. + References Reference 1: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 820 -SubTopic 10 -Section 50 -Paragraph 2 -Subparagraph (bbb) -URI http://asc.fasb.org/extlink&oid=36462937&loc=d3e19207-110258 + Details
Name: | us-gaap_FairValueInputsDiscountRate
Namespace Prefix: | us-gaap_
Data Type: | num:percentItemType
Balance Type: | na
Period Type: | duration