XML 92 R69.htm IDEA: XBRL DOCUMENT
v2.4.1.9

INCOME TAXES (Details 2) (USD $) In Thousands, unless otherwise specified | 3 Months Ended | 12 Months Ended
--- | --- | ---
Dec. 31, 2014 | Sep. 30, 2014 | Jun. 30, 2014 | Mar. 31, 2014 | Dec. 31, 2013 | Sep. 30, 2013 | Jun. 30, 2013 | Mar. 31, 2013 | Dec. 31, 2014 | Dec. 31, 2013 | Dec. 31, 2012
Reconciliation from the tax computed at statutory income tax rates to the Company's income tax expense |  |  |  |  |  |  |  |  |  |  |
Tax computed at statutory U.S. federal income tax rates |  |  |  |  |  |  |  |  | $ 30,160 us-gaap_IncomeTaxReconciliationIncomeTaxExpenseBenefitAtFederalStatutoryIncomeTaxRate | $ 16,270 us-gaap_IncomeTaxReconciliationIncomeTaxExpenseBenefitAtFederalStatutoryIncomeTaxRate | $ 15,679 us-gaap_IncomeTaxReconciliationIncomeTaxExpenseBenefitAtFederalStatutoryIncomeTaxRate
Valuation allowance |  |  |  |  |  |  |  |  | (887)us-gaap_IncomeTaxReconciliationChangeInDeferredTaxAssetsValuationAllowance | 711 us-gaap_IncomeTaxReconciliationChangeInDeferredTaxAssetsValuationAllowance | 832 us-gaap_IncomeTaxReconciliationChangeInDeferredTaxAssetsValuationAllowance
Foreign tax reserve |  |  |  |  |  |  |  |  | 2,095 atni_IncomeTaxReconciliationForeignTaxReserve | 2,081 atni_IncomeTaxReconciliationForeignTaxReserve | 2,359 atni_IncomeTaxReconciliationForeignTaxReserve
State taxes |  |  |  |  |  |  |  |  | 1,813 us-gaap_IncomeTaxReconciliationStateAndLocalIncomeTaxes | 1,032 us-gaap_IncomeTaxReconciliationStateAndLocalIncomeTaxes | 906 us-gaap_IncomeTaxReconciliationStateAndLocalIncomeTaxes
Research and development credit |  |  |  |  |  |  |  |  |  |  | (1,971)us-gaap_IncomeTaxReconciliationTaxCreditsResearch
Other, net |  |  |  |  |  |  |  |  | (191)us-gaap_IncomeTaxReconciliationOtherAdjustments | 516 us-gaap_IncomeTaxReconciliationOtherAdjustments | 1,711 us-gaap_IncomeTaxReconciliationOtherAdjustments
Income tax expense | 5,689 us-gaap_IncomeTaxExpenseBenefit | 9,569 us-gaap_IncomeTaxExpenseBenefit | 7,338 us-gaap_IncomeTaxExpenseBenefit | 5,552 us-gaap_IncomeTaxExpenseBenefit | (1,758)us-gaap_IncomeTaxExpenseBenefit | 2,481 us-gaap_IncomeTaxExpenseBenefit | 4,868 us-gaap_IncomeTaxExpenseBenefit | 3,945 us-gaap_IncomeTaxExpenseBenefit | 28,148 us-gaap_IncomeTaxExpenseBenefit | 9,536 us-gaap_IncomeTaxExpenseBenefit | 20,831 us-gaap_IncomeTaxExpenseBenefit
Guyana |  |  |  |  |  |  |  |  |  |  |
Reconciliation from the tax computed at statutory income tax rates to the Company's income tax expense |  |  |  |  |  |  |  |  |  |  |
Income taxes in excess (below) of statutory U.S. tax rates |  |  |  |  |  |  |  |  | (130)us-gaap_IncomeTaxReconciliationForeignIncomeTaxRateDifferential / us-gaap_IncomeTaxAuthorityAxis = country_GY | 701 us-gaap_IncomeTaxReconciliationForeignIncomeTaxRateDifferential / us-gaap_IncomeTaxAuthorityAxis = country_GY | 812 us-gaap_IncomeTaxReconciliationForeignIncomeTaxRateDifferential / us-gaap_IncomeTaxAuthorityAxis = country_GY
Bermuda and Turks & Caicos |  |  |  |  |  |  |  |  |  |  |
Reconciliation from the tax computed at statutory income tax rates to the Company's income tax expense |  |  |  |  |  |  |  |  |  |  |
Income taxes in excess (below) of statutory U.S. tax rates |  |  |  |  |  |  |  |  | (4,712)us-gaap_IncomeTaxReconciliationForeignIncomeTaxRateDifferential / us-gaap_IncomeTaxAuthorityAxis = atni_BermudaAndTurksAndCaicosMember | (3,203)us-gaap_IncomeTaxReconciliationForeignIncomeTaxRateDifferential / us-gaap_IncomeTaxAuthorityAxis = atni_BermudaAndTurksAndCaicosMember | 503 us-gaap_IncomeTaxReconciliationForeignIncomeTaxRateDifferential / us-gaap_IncomeTaxAuthorityAxis = atni_BermudaAndTurksAndCaicosMember
Turks & Caicos intercompany note receivable write-down |  |  |  |  |  |  |  |  |  |  |
Reconciliation from the tax computed at statutory income tax rates to the Company's income tax expense |  |  |  |  |  |  |  |  |  |  |
Income taxes in excess (below) of statutory U.S. tax rates |  |  |  |  |  |  |  |  |  | $ (8,572)us-gaap_IncomeTaxReconciliationForeignIncomeTaxRateDifferential / us-gaap_IncomeTaxAuthorityAxis = country_TC |

X
- Definition The portion of the difference between total income tax expense or benefit as reported in the Income Statement for the period and the expected income tax expense or benefit computed by applying the domestic federal statutory income tax rates to pretax income from continuing operations attributable to the foreign tax reserve made under enacted tax laws. + References No definition available. + Details
Name: | atni_IncomeTaxReconciliationForeignTaxReserve
Namespace Prefix: | atni_
Data Type: | xbrli:monetaryItemType
Balance Type: | credit
Period Type: | duration

X
- Definition Amount of current income tax expense (benefit) and deferred income tax expense (benefit) pertaining to continuing operations. + References Reference 1: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 235 -SubTopic 10 -Section S99 -Paragraph 1 -Subparagraph (SX 210.4-08.(h)) -URI http://asc.fasb.org/extlink&oid=26873400&loc=d3e23780-122690 Reference 2: http://www.xbrl.org/2003/role/presentationRef -Publisher SEC -Name Regulation S-X (SX) -Number 210 -Section 08 -Paragraph h -Article 4 Reference 3: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Glossary Income Tax Expense (or Benefit) -URI http://asc.fasb.org/extlink&oid=6515339 Reference 4: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 740 -SubTopic 10 -Section 50 -Paragraph 9 -Subparagraph (a),(b) -URI http://asc.fasb.org/extlink&oid=6907707&loc=d3e32639-109319 + Details
Name: | us-gaap_IncomeTaxExpenseBenefit
Namespace Prefix: | us-gaap_
Data Type: | xbrli:monetaryItemType
Balance Type: | debit
Period Type: | duration

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

X
- Definition Amount of the difference between reported income tax expense (benefit) and expected income tax expense (benefit) computed by applying the domestic federal statutory income tax rates to pretax income (loss) from continuing operations attributable to increase (decrease) in the valuation allowance for deferred tax assets. + References Reference 1: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 740 -SubTopic 10 -Section 50 -Paragraph 12 -URI http://asc.fasb.org/extlink&oid=6907707&loc=d3e32687-109319 Reference 2: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 740 -SubTopic 10 -Section 50 -Paragraph 13 -URI http://asc.fasb.org/extlink&oid=6907707&loc=d3e32698-109319 Reference 3: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 740 -SubTopic 10 -Section 45 -Paragraph 20 -URI http://asc.fasb.org/extlink&oid=37586315&loc=d3e32123-109318 + Details
Name: | us-gaap_IncomeTaxReconciliationChangeInDeferredTaxAssetsValuationAllowance
Namespace Prefix: | us-gaap_
Data Type: | xbrli:monetaryItemType
Balance Type: | debit
Period Type: | duration

X
- Definition Amount of the difference between reported income tax expense (benefit) and expected income tax expense (benefit) computed by applying the domestic federal statutory income tax rates to pretax income (loss) from continuing operations attributable to foreign income tax expense (benefit). + References Reference 1: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 740 -SubTopic 10 -Section 50 -Paragraph 12 -URI http://asc.fasb.org/extlink&oid=6907707&loc=d3e32687-109319 Reference 2: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 740 -SubTopic 10 -Section 50 -Paragraph 13 -URI http://asc.fasb.org/extlink&oid=6907707&loc=d3e32698-109319 Reference 3: http://www.xbrl.org/2003/role/presentationRef -Publisher SEC -Name Regulation S-X (SX) -Number 210 -Section 08 -Paragraph h -Subparagraph 1 -Article 4 + Details
Name: | us-gaap_IncomeTaxReconciliationForeignIncomeTaxRateDifferential
Namespace Prefix: | us-gaap_
Data Type: | xbrli:monetaryItemType
Balance Type: | debit
Period Type: | duration

X
- Definition The amount of income tax expense or benefit for the period computed by applying the domestic federal statutory tax rates to pretax income from continuing operations. + References Reference 1: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 740 -SubTopic 10 -Section 50 -Paragraph 12 -URI http://asc.fasb.org/extlink&oid=6907707&loc=d3e32687-109319 Reference 2: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 740 -SubTopic 10 -Section 50 -Paragraph 13 -URI http://asc.fasb.org/extlink&oid=6907707&loc=d3e32698-109319 Reference 3: http://www.xbrl.org/2003/role/presentationRef -Publisher SEC -Name Regulation S-X (SX) -Number 210 -Section 08 -Paragraph h -Subparagraph 2 -Article 4 + Details
Name: | us-gaap_IncomeTaxReconciliationIncomeTaxExpenseBenefitAtFederalStatutoryIncomeTaxRate
Namespace Prefix: | us-gaap_
Data Type: | xbrli:monetaryItemType
Balance Type: | debit
Period Type: | duration

X
- Definition Amount of the difference between reported income tax expense (benefit) and expected income tax expense (benefit) computed by applying the domestic federal statutory income tax rates to pretax income (loss) from continuing operations attributable to other adjustments. + References Reference 1: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 740 -SubTopic 10 -Section 50 -Paragraph 12 -URI http://asc.fasb.org/extlink&oid=6907707&loc=d3e32687-109319 + Details
Name: | us-gaap_IncomeTaxReconciliationOtherAdjustments
Namespace Prefix: | us-gaap_
Data Type: | xbrli:monetaryItemType
Balance Type: | debit
Period Type: | duration

X
- Definition Amount of the difference between reported income tax expense (benefit) and expected income tax expense (benefit) computed by applying the domestic federal statutory income tax rates to pretax income (loss) from continuing operations attributable to state and local income tax expense (benefit). + References Reference 1: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 740 -SubTopic 10 -Section 50 -Paragraph 12 -URI http://asc.fasb.org/extlink&oid=6907707&loc=d3e32687-109319 Reference 2: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 740 -SubTopic 10 -Section 50 -Paragraph 13 -URI http://asc.fasb.org/extlink&oid=6907707&loc=d3e32698-109319 Reference 3: http://www.xbrl.org/2003/role/presentationRef -Publisher SEC -Name Regulation S-X (SX) -Number 210 -Section 08 -Paragraph h -Subparagraph 1 -Article 4 + Details
Name: | us-gaap_IncomeTaxReconciliationStateAndLocalIncomeTaxes
Namespace Prefix: | us-gaap_
Data Type: | xbrli:monetaryItemType
Balance Type: | debit
Period Type: | duration

X
- Definition Amount of the difference between reported income tax expense (benefit) and expected income tax expense (benefit) computed by applying the domestic federal statutory income tax rates to pretax income (loss) from continuing operations attributable to research tax credit. + References Reference 1: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 740 -SubTopic 10 -Section 50 -Paragraph 12 -URI http://asc.fasb.org/extlink&oid=6907707&loc=d3e32687-109319 Reference 2: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 740 -SubTopic 10 -Section 50 -Paragraph 13 -URI http://asc.fasb.org/extlink&oid=6907707&loc=d3e32698-109319 + Details
Name: | us-gaap_IncomeTaxReconciliationTaxCreditsResearch
Namespace Prefix: | us-gaap_
Data Type: | xbrli:monetaryItemType
Balance Type: | credit
Period Type: | duration

X
- Details
Name: | us-gaap_IncomeTaxAuthorityAxis=atni_BermudaAndTurksAndCaicosMember
Namespace Prefix: |
Data Type: | na
Balance Type: |
Period Type: |

X
- Details
Name: | us-gaap_IncomeTaxAuthorityAxis=country_GY
Namespace Prefix: |
Data Type: | na
Balance Type: |
Period Type: |

X
- Details
Name: | us-gaap_IncomeTaxAuthorityAxis=country_TC
Namespace Prefix: |
Data Type: | na
Balance Type: |
Period Type: |