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v2.4.1.9

Restructuring Charges (Details) (USD $) | 3 Months Ended
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Mar. 31, 2015 | Mar. 31, 2014
Restructuring Charges Accrual |  |
Additions for costs expensed | $ 4,790,000 us-gaap_RestructuringAndRelatedCostIncurredCost | $ 4,822,000 us-gaap_RestructuringAndRelatedCostIncurredCost
Spin-off |  |
Restructuring Charges Accrual |  |
Additions for costs expensed | 4,800,000 us-gaap_RestructuringAndRelatedCostIncurredCost / us-gaap_RestructuringPlanAxis = us-gaap_SpinoffMember |
Accrued liability for restructuring | 1,800,000 us-gaap_RestructuringReserve / us-gaap_RestructuringPlanAxis = us-gaap_SpinoffMember |
Centralization of make-ready operations |  |
Restructuring Charges Accrual |  |
Additions for costs expensed |  | $ 4,800,000 us-gaap_RestructuringAndRelatedCostIncurredCost / us-gaap_RestructuringPlanAxis = exh_CentralizationOfMakeReadyOperationsMember

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- Definition Discloses the amount charged against the accrued restructuring reserves, or earnings if not previously accrued, during the period for the specified type of restructuring cost. + References Reference 1: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 420 -SubTopic 10 -Section 50 -Paragraph 1 -Subparagraph (b) -URI http://asc.fasb.org/extlink&oid=6394359&loc=d3e17939-110869 Reference 2: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 420 -SubTopic 10 -Section S99 -Paragraph 2 -Subparagraph (SAB TOPIC 5.P.4(b)) -URI http://asc.fasb.org/extlink&oid=27011515&loc=d3e140904-122747 Reference 3: http://www.xbrl.org/2003/role/presentationRef -Publisher SEC -Name Staff Accounting Bulletin (SAB) -Number Topic 5 -Section P -Subsection 3, 4 + Details
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- Definition Carrying amount (including both current and noncurrent portions of the accrual) as of the balance sheet date pertaining to a specified type of cost associated with exit from or disposal of business activities or restructuring pursuant to a duly authorized plan. + References Reference 1: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 420 -SubTopic 10 -Section S99 -Paragraph 2 -Subparagraph (SAB TOPIC 5.P.4(b)) -URI http://asc.fasb.org/extlink&oid=27011515&loc=d3e140904-122747 Reference 2: http://www.xbrl.org/2003/role/presentationRef -Publisher SEC -Name Staff Accounting Bulletin (SAB) -Number Topic 5 -Section P -Subsection 3, 4 + Details
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- Details
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