XML 75 R57.htm IDEA: XBRL DOCUMENT
v3.3.1.900

Acquisitions (Allocation of Purchase Price) (Details) - USD ($) $ in Thousands | Dec. 31, 2015 | Nov. 23, 2015 | Mar. 13, 2015 | Jan. 13, 2015 | Dec. 31, 2014 | Dec. 30, 2014 | Oct. 29, 2014 | Jul. 07, 2014
--- | --- | --- | --- | --- | --- | --- | --- | ---
Business Acquisition [Line Items] |  |  |  |  |  |  |  |  |
Goodwill |  | $ 81,752 |  |  |  | $ 82,949 |  |  |
TEW Plus LTD [Member] |  |  |  |  |  |  |  |  |
Business Acquisition [Line Items] |  |  |  |  |  |  |  |  |
Current assets |  |  | $ 4,420 |  |  |  |  |  |
Other assets |  |  | 0 |  |  |  |  |  |
Property, plant and equipment |  |  | 47 |  |  |  |  |  |
Goodwill |  |  | 822 |  |  |  |  |  |
Other intangibles |  |  | 1,074 |  |  |  |  |  |
Liabilities assumed |  |  | (3,597) |  |  |  |  |  |
Total |  |  | $ 2,766 |  |  |  |  |  |
Inspection Oilfield Services (IOS) [Member] |  |  |  |  |  |  |  |  |
Business Acquisition [Line Items] |  |  |  |  |  |  |  |  |
Current assets |  |  |  | $ 19,877 |  |  |  |  |
Other assets |  |  |  | 708 |  |  |  |  |
Property, plant and equipment |  |  |  | 51,453 |  |  |  |  |
Goodwill | [1] |  |  | 69,908 |  |  |  |  |
Other intangibles |  |  |  | 50,354 |  |  |  |  |
Liabilities assumed |  |  |  | (23,596) |  |  |  |  |
Total |  |  |  | $ 168,704 |  |  |  |  |
TEW Holdings, LTD [Member] |  |  |  |  |  |  |  |  |
Business Acquisition [Line Items] |  |  |  |  |  |  |  |  |
Current assets |  |  |  |  | $ 12,125 |  |  |  |
Other assets |  |  |  |  | 0 |  |  |  |
Property, plant and equipment |  |  |  |  | 2,398 |  |  |  |
Goodwill |  |  |  |  | 8,772 |  |  |  |
Other intangibles |  |  |  |  | 14,048 |  |  |  |
Liabilities assumed |  |  |  |  | (6,465) |  |  |  |
Total |  |  |  |  | $ 30,878 |  |  |  |
Chemtec Energy Services, LLC [Member] |  |  |  |  |  |  |  |  |
Business Acquisition [Line Items] |  |  |  |  |  |  |  |  |
Current assets |  |  |  |  |  |  | $ 15,528 |  |
Other assets |  |  |  |  |  |  | 0 |  |
Property, plant and equipment |  |  |  |  |  |  | 4,705 |  |
Goodwill | [1] |  |  |  |  |  | 22,302 |  |
Other intangibles |  |  |  |  |  |  | 33,130 |  |
Liabilities assumed |  |  |  |  |  |  | (6,756) |  |
Total |  |  |  |  |  |  | $ 68,909 |  |
FWO [Member] |  |  |  |  |  |  |  |  |
Business Acquisition [Line Items] |  |  |  |  |  |  |  |  |
Current assets |  |  |  |  |  |  |  | $ 131 |
Other assets |  |  |  |  |  |  |  | 0 |
Property, plant and equipment |  |  |  |  |  |  |  | 0 |
Goodwill |  |  |  |  |  |  |  | 971 |
Other intangibles |  |  |  |  |  |  |  | 419 |
Liabilities assumed |  |  |  |  |  |  |  | (418) |
Total |  |  |  |  |  |  |  | $ 1,103 |
Carr Concrete [Member] |  |  |  |  |  |  |  |  |
Business Acquisition [Line Items] |  |  |  |  |  |  |  |  |
Current assets |  |  |  |  |  |  |  |  | $ 3,180
Other assets |  |  |  |  |  |  |  |  | 45
Property, plant and equipment |  |  |  |  |  |  |  |  | 7,648
Goodwill |  |  |  |  |  |  |  |  | 1,936
Other intangibles |  |  |  |  |  |  |  |  | 1,348
Liabilities assumed |  |  |  |  |  |  |  |  | (1,677)
Total |  |  |  |  |  |  |  |  | $ 12,480
[1] | See Note 4 with respect to an impairment of the goodwill related to this acquisition.

X
- Definition Line items represent financial concepts included in a table. These concepts are used to disclose reportable information associated with domain members defined in one or many axes to the table. + References No definition available. + Details
Name: | us-gaap_BusinessAcquisitionLineItems
Namespace Prefix: | us-gaap_
Data Type: | xbrli:stringItemType
Balance Type: | na
Period Type: | duration

X
- Definition Amount of assets that are expected to be realized or consumed within one year or the normal operating cycle, if longer, acquired at the acquisition date. + References Reference 1: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 805 -SubTopic 20 -Section 50 -Paragraph 1 -Subparagraph (c) -URI http://asc.fasb.org/extlink&oid=56956791&loc=d3e4845-128472 + Details
Name: | us-gaap_BusinessCombinationRecognizedIdentifiableAssetsAcquiredAndLiabilitiesAssumedCurrentAssets
Namespace Prefix: | us-gaap_
Data Type: | xbrli:monetaryItemType
Balance Type: | debit
Period Type: | instant

X
- Definition Amount of liabilities due within one year or within the normal operating cycle, if longer, assumed at the acquisition date. + References Reference 1: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 805 -SubTopic 20 -Section 50 -Paragraph 1 -Subparagraph (c) -URI http://asc.fasb.org/extlink&oid=56956791&loc=d3e4845-128472 + Details
Name: | us-gaap_BusinessCombinationRecognizedIdentifiableAssetsAcquiredAndLiabilitiesAssumedCurrentLiabilities
Namespace Prefix: | us-gaap_
Data Type: | xbrli:monetaryItemType
Balance Type: | credit
Period Type: | instant

X
- Definition Amount of deferred tax asset attributable to deductible temporary differences and carryforwards that are expected to be realized or consumed after one year or the normal operating cycle, if longer, acquired at the acquisition date. + References Reference 1: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 805 -SubTopic 20 -Section 50 -Paragraph 1 -Subparagraph (c) -URI http://asc.fasb.org/extlink&oid=56956791&loc=d3e4845-128472 + Details
Name: | us-gaap_BusinessCombinationRecognizedIdentifiableAssetsAcquiredAndLiabilitiesAssumedDeferredTaxAssetsNoncurrent
Namespace Prefix: | us-gaap_
Data Type: | xbrli:monetaryItemType
Balance Type: | debit
Period Type: | instant

X
- Definition The amount of identifiable intangible assets recognized as of the acquisition date. + References Reference 1: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 805 -SubTopic 10 -Section 55 -Paragraph 37 -URI http://asc.fasb.org/extlink&oid=35744172&loc=d3e2207-128464 Reference 2: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 805 -SubTopic 20 -Section 50 -Paragraph 1 -Subparagraph (c) -URI http://asc.fasb.org/extlink&oid=56956791&loc=d3e4845-128472 + Details
Name: | us-gaap_BusinessCombinationRecognizedIdentifiableAssetsAcquiredAndLiabilitiesAssumedIntangibles
Namespace Prefix: | us-gaap_
Data Type: | xbrli:monetaryItemType
Balance Type: | debit
Period Type: | instant

X
- Definition The amount of property, plant, and equipment recognized as of the acquisition date. + References Reference 1: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 805 -SubTopic 20 -Section 50 -Paragraph 1 -Subparagraph (c) -URI http://asc.fasb.org/extlink&oid=56956791&loc=d3e4845-128472 Reference 2: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 805 -SubTopic 10 -Section 55 -Paragraph 37 -URI http://asc.fasb.org/extlink&oid=35744172&loc=d3e2207-128464 + Details
Name: | us-gaap_BusinessCombinationRecognizedIdentifiableAssetsAcquiredAndLiabilitiesAssumedPropertyPlantAndEquipment
Namespace Prefix: | us-gaap_
Data Type: | xbrli:monetaryItemType
Balance Type: | debit
Period Type: | instant

X
- Definition Amount recognized for assets, including goodwill, in excess of (less than) the aggregate liabilities assumed. + References Reference 1: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 805 -SubTopic 20 -Section 50 -Paragraph 1 -Subparagraph (c) -URI http://asc.fasb.org/extlink&oid=56956791&loc=d3e4845-128472 + Details
Name: | us-gaap_BusinessCombinationRecognizedIdentifiableAssetsAcquiredGoodwillAndLiabilitiesAssumedNet
Namespace Prefix: | us-gaap_
Data Type: | xbrli:monetaryItemType
Balance Type: | debit
Period Type: | instant

X
- Definition Amount after accumulated impairment loss of an asset representing future economic benefits arising from other assets acquired in a business combination that are not individually identified and separately recognized. + References Reference 1: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 350 -SubTopic 20 -Section 50 -Paragraph 1 -URI http://asc.fasb.org/extlink&oid=35741047&loc=d3e13816-109267 Reference 2: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 350 -SubTopic 20 -Section 45 -Paragraph 1 -URI http://asc.fasb.org/extlink&oid=6388280&loc=d3e13770-109266 + Details
Name: | us-gaap_Goodwill
Namespace Prefix: | us-gaap_
Data Type: | xbrli:monetaryItemType
Balance Type: | debit
Period Type: | instant

X
- Details
Name: | us-gaap_BusinessAcquisitionAxis=fstr_TewPlusLtdMember
Namespace Prefix: |
Data Type: | na
Balance Type: |
Period Type: |

X
- Details
Name: | us-gaap_BusinessAcquisitionAxis=fstr_InspectionOilfieldServicesIosMember
Namespace Prefix: |
Data Type: | na
Balance Type: |
Period Type: |

X
- Details
Name: | us-gaap_BusinessAcquisitionAxis=fstr_TewHoldingsLtdMember
Namespace Prefix: |
Data Type: | na
Balance Type: |
Period Type: |

X
- Details
Name: | us-gaap_BusinessAcquisitionAxis=fstr_ChemtecEnergyServicesLlcMember
Namespace Prefix: |
Data Type: | na
Balance Type: |
Period Type: |

X
- Details
Name: | us-gaap_BusinessAcquisitionAxis=fstr_FwoMember
Namespace Prefix: |
Data Type: | na
Balance Type: |
Period Type: |

X
- Details
Name: | us-gaap_BusinessAcquisitionAxis=fstr_CarrConcreteMember
Namespace Prefix: |
Data Type: | na
Balance Type: |
Period Type: |