XML 16 R39.htm IDEA: XBRL DOCUMENT
v2.4.0.6

RETIREMENT PLANS (Tables) | 12 Months Ended
--- | ---
Dec. 31, 2012
RETIREMENT PLANS |
Schedule of weighted-average rates assumed in the actuarial calculations for the pension plan |
|  | 2010 |  | 2011 |  | 2012 |
--- | --- | --- | --- | --- | --- | --- | ---
Discount rate |  |  | 7.00 | % |  | 6.25 | % |  | 6.00 | %
Annual salary increase |  |  | 7.50 | % |  | 7.50 | % |  | 7.50 | %
Expected long-term return on plan assets |  |  | 8.00 | % |  | 8.00 | % |  | 8.00 | %
Schedule of changes during the year in the projected benefit obligations and in the fair value of plan assets | Changes during the year in the projected benefit obligations and in the fair value of plan assets are as follows for 2011 and 2012 (in thousands):
|  | 2011 |  | 2012 |
--- | --- | --- | --- | --- | ---
Projected benefit obligations: |  |  |  |  |  |  |
Balance at beginning of year: |  | $ | 12,580 |  | $ | 13,355 |
Service cost |  |  | 617 |  |  | 612 |
Interest cost |  |  | 865 |  |  | 810 |
Benefits paid |  |  | (659 | ) |  | (674 | )
Actuarial loss |  |  | (48 | ) |  | (2,443 | )
Balance at end of year |  | $ | 13,355 |  | $ | 11,660 |
Plan net assets: |  |  |  |  |  |  |
Balance at beginning of year: |  | $ | 11,736 |  | $ | 11,994 |
Actual return on plan assets |  |  | 83 |  |  | 759 |
Company contributions |  |  | 834 |  |  | 853 |
Benefits paid |  |  | (659 | ) |  | (674 | )
Balance at end of year |  | $ | 11,994 |  | $ | 12,932 |
(Under) over funded status of plan |  | $ | (1,361 | ) | $ | 1,272 |
Schedule of fair values for the pension plan's net assets, by asset category | The fair values for the pension plan's net assets, by asset category, at December 31, 2012 are as follows (in thousands):
Asset Category |  | Total |  | Level 1 |  | Level 2 |  | Level 3 |
--- | --- | --- | --- | --- | --- | --- | --- | --- | ---
Cash, cash equivalents, money markets and other |  | $ | 10,178 |  | $ | 10,178 |  | $ | — |  | $ | — |
Equity securities |  |  | 1,189 |  |  | 1,189 |  |  | — |  |  | — |
Fixed income securities |  |  | 1,564 |  |  | 854 |  |  | 710 |  |  | — |
Total |  | $ | 12,931 |  | $ | 12,221 |  |  | 710 |  |  | — |
Schedule of weighted-average asset allocations, by asset category |
|  | 2011 |  | 2012 |
--- | --- | --- | --- | --- | ---
Cash, cash equivalents, money markets and other |  |  | 80.3 | % |  | 78.7 | %
Equity securities |  |  | 8.0 |  |  | 9.2 |
Fixed income securities |  |  | 11.7 |  |  | 12.1 |
Total |  |  | 100.0 | % |  | 100.0 | %
Schedule of amounts recognized on the Company's consolidated balance sheets | Amounts recognized on the Company's consolidated balance sheets consist of (in thousands):
|  | As of December 31, |
--- | --- | --- | ---
|  | 2011 |  | 2012 |
Other assets |  | $ | — |  | $ | 1,272 |
Other liabilities |  |  | (1,361 | ) |  | — |
Accumulated other comprehensive loss, net of tax |  |  | 2,714 |  |  | 1,318 |
Schedule of amounts recognized in accumulated other comprehensive loss | Amounts recognized in accumulated other comprehensive loss consist of (in thousands):
|  | 2011 |  | 2012 |
--- | --- | --- | --- | --- | ---
Net actuarial loss |  | $ | (5,390 | ) | $ | (2,918 | )
Prior service cost |  |  | — |  |  | — |
Accumulated other comprehensive loss, pre-tax |  | $ | (5,390 | ) | $ | (2,918 | )
Accumulated other comprehensive loss, net of tax |  | $ | (2,714 | ) | $ | (1,318 | )
Schedule of components of the plan's net periodic pension cost | Components of the plan's net periodic pension cost are as follows for the years ended December 31, 2010, 2011 and 2012 (in thousands):
|  | 2010 |  | 2011 |  | 2012 |
--- | --- | --- | --- | --- | --- | --- | ---
Service cost |  | $ | 545 |  | $ | 617 |  | $ | 612 |
Interest cost |  |  | 784 |  |  | 865 |  |  | 810 |
Expected return on plan assets |  |  | (835 | ) |  | (961 | ) |  | (972 | )
Amortization of unrecognized net actuarial loss |  |  | 177 |  |  | 229 |  |  | 242 |
Amortization of prior service costs |  |  | 11 |  |  | 11 |  |  | — |
Net periodic pension cost |  | $ | 682 |  | $ | 761 |  | $ | 692 |
Schedule of estimated pension benefits | The following estimated pension benefits, which reflect expected future service, as appropriate, are expected to be paid over the next ten years as indicated below (in thousands):
Fiscal Year |  | Pension Benefits |
--- | --- | --- | ---
2013 |  |  | 537 |
2014 |  |  | 327 |
2015 |  |  | 444 |
2016 |  |  | 522 |
2017 |  |  | 541 |
2018 - 2022 |  |  | 4,127 |
|  |  | 6,498 |

X
- Definition Tabular disclosure of the net gain (loss) and net prior service cost or credit recognized in accumulated other comprehensive income (loss). + References No definition available. + Details
Name: | atni_ScheduleOfAmountsRecognizedInAccumulatedOtherComprehensiveIncomeLossTableTextBlock
Namespace Prefix: | atni_
Data Type: | nonnum:textBlockItemType
Balance Type: | na
Period Type: | duration

X
- Definition Tabular disclosure of the weighted average percentage allocation of plan assets by major asset category. + References No definition available. + Details
Name: | atni_ScheduleOfWeightedAverageAllocationOfPlanAssetsTableTextBlock
Namespace Prefix: | atni_
Data Type: | nonnum:textBlockItemType
Balance Type: | na
Period Type: | duration

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

X
- Definition Tabular disclosure of the major categories of plan assets of pension plans and/or other employee benefit plans. This information may include, but is not limited to, the target allocation of plan assets, the fair value of each major category of plan assets, and the level within the fair value hierarchy in which the fair value measurements fall. + References Reference 1: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 715 -SubTopic 20 -Section 50 -Paragraph 1 -Subparagraph (d)(5) -URI http://asc.fasb.org/extlink&oid=21915506&loc=d3e1928-114920 + Details
Name: | us-gaap_ScheduleOfAllocationOfPlanAssetsTableTextBlock
Namespace Prefix: | us-gaap_
Data Type: | nonnum:textBlockItemType
Balance Type: | na
Period Type: | duration

X
- Definition Tabular disclosure of the amounts that are recognized in the balance sheet (or statement of financial position) for pension plans and/or other employee benefit plans, showing separately the assets and current and noncurrent liabilities (if applicable) recognized. + References Reference 1: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 715 -SubTopic 20 -Section 50 -Paragraph 1 -Subparagraph (c) -URI http://asc.fasb.org/extlink&oid=21915506&loc=d3e1928-114920 + Details
Name: | us-gaap_ScheduleOfAmountsRecognizedInBalanceSheetTableTextBlock
Namespace Prefix: | us-gaap_
Data Type: | nonnum:textBlockItemType
Balance Type: | na
Period Type: | duration

X
- Definition Tabular disclosure of the assumptions used to determine for pension plans and/or other employee benefit plans the benefit obligation and net benefit cost, including assumed discount rates, rate increase in compensation increase, and expected long-term rates of return on plan assets. + References Reference 1: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 715 -SubTopic 20 -Section 50 -Paragraph 1 -Subparagraph (k) -URI http://asc.fasb.org/extlink&oid=21915506&loc=d3e1928-114920 + Details
Name: | us-gaap_ScheduleOfAssumptionsUsedTableTextBlock
Namespace Prefix: | us-gaap_
Data Type: | nonnum:textBlockItemType
Balance Type: | na
Period Type: | duration

X
- Definition Tabular disclosure of benefits expected to be paid by pension plans and/or other employee benefit plans in each of the next five fiscal years and in the aggregate for the five fiscal years thereafter. + References Reference 1: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 715 -SubTopic 20 -Section 50 -Paragraph 1 -Subparagraph (f) -URI http://asc.fasb.org/extlink&oid=21915506&loc=d3e1928-114920 + Details
Name: | us-gaap_ScheduleOfExpectedBenefitPaymentsTableTextBlock
Namespace Prefix: | us-gaap_
Data Type: | nonnum:textBlockItemType
Balance Type: | na
Period Type: | duration

X
- Definition Tabular disclosure of the components of net benefit costs for pension plans and/or other employee benefit plans including service cost, interest cost, expected return on plan assets, gain (loss), prior service cost or credit, transition asset or obligation, and gain (loss) recognized due to settlements or curtailments. + References Reference 1: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 715 -SubTopic 20 -Section 50 -Paragraph 1 -Subparagraph (h) -URI http://asc.fasb.org/extlink&oid=21915506&loc=d3e1928-114920 + Details
Name: | us-gaap_ScheduleOfNetBenefitCostsTableTextBlock
Namespace Prefix: | us-gaap_
Data Type: | nonnum:textBlockItemType
Balance Type: | na
Period Type: | duration

X
- Definition Tabular disclosure of net funded status of pension plans and/or other employee benefit plans. + References Reference 1: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 715 -SubTopic 20 -Section 50 -Paragraph 1 -Subparagraph (c) -URI http://asc.fasb.org/extlink&oid=21915506&loc=d3e1928-114920 + Details
Name: | us-gaap_ScheduleOfNetFundedStatusTableTextBlock
Namespace Prefix: | us-gaap_
Data Type: | nonnum:textBlockItemType
Balance Type: | na
Period Type: | duration