XML 32 R18.htm IDEA: XBRL DOCUMENT
v3.5.0.2

SUMMARY OF SIGNIFICANT ACCOUNTING POLICIES (Tables) | 6 Months Ended
--- | ---
Jun. 30, 2016
Allowance for Doubtful Accounts Included in Accounts Receivable Net | The Allowance for Doubtful Accounts as of June 30, 2016, June 30, 2015 and December 31, 2015, which is included in Accounts Receivable, net on the accompanying unaudited consolidated balance sheets, was as follows:
($ millions) |  |  |
|  | June 30, |  |  | December 31, |
|  | 2016 |  |  | 2015 |  |  | 2015 |
Allowance for Doubtful Accounts |  | $ | 1.5 |  |  | $ | 2.0 |  |  | $ | 1.2 |
Components of Accrued Revenue | The following table shows the components of Accrued Revenue as of June 30, 2016, June 30, 2015 and December 31, 2015.
|  | June 30, |  |  | December 31, |
Accrued Revenue ($ millions) |  | 2016 |  |  | 2015 |  |  | 2015 |
Regulatory Assets – Current |  | $ | 25.2 |  |  | $ | 22.6 |  |  | $ | 26.8 |
Unbilled Revenues |  |  | 6.7 |  |  |  | 6.0 |  |  |  | 11.6 |
Total Accrued Revenue |  | $ | 31.9 |  |  | $ | 28.6 |  |  | $ | 38.4 |
Components of Exchange Gas Receivable | The following table shows the components of Exchange Gas Receivable as of June 30, 2016, June 30, 2015 and December 31, 2015.
|  | June 30, |  |  | December 31, |
Exchange Gas Receivable ($ millions) |  | 2016 |  |  | 2015 |  |  | 2015 |
Northern Utilities |  | $ | 7.6 |  |  | $ | 6.7 |  |  | $ | 10.3 |
Fitchburg |  |  | 0.4 |  |  |  | 0.5 |  |  |  | 0.8 |
Total Exchange Gas Receivable |  | $ | 8.0 |  |  | $ | 7.2 |  |  | $ | 11.1 |
Components of Gas Inventory | The following table shows the components of Gas Inventory as of June 30, 2016, June 30, 2015 and December 31, 2015.
|  | June 30, |  |  | December 31, |
Gas Inventory ($ millions) |  | 2016 |  |  | 2015 |  |  | 2015 |
Natural Gas |  | $ | 0.1 |  |  | $ | 0.2 |  |  | $ | 0.3 |
Propane |  |  | 0.2 |  |  |  | 0.2 |  |  |  | 0.3 |
Liquefied Natural Gas & Other |  |  | 0.1 |  |  |  | 0.1 |  |  |  | 0.2 |
Total Gas Inventory |  | $ | 0.4 |  |  | $ | 0.5 |  |  | $ | 0.8 |
Regulatory Assets |
|  | June 30, |  |  | December 31, |
Regulatory Assets consist of the following ($ millions) |  | 2016 |  |  | 2015 |  |  | 2015 |
Retirement Benefits |  | $ | 64.5 |  |  | $ | 65.1 |  |  | $ | 64.7 |
Energy Supply & Tracker Mechanisms |  |  | 19.7 |  |  |  | 17.4 |  |  |  | 21.3 |
Deferred Storm Charges |  |  | 12.5 |  |  |  | 18.6 |  |  |  | 15.4 |
Environmental |  |  | 12.3 |  |  |  | 10.9 |  |  |  | 11.2 |
Income Taxes |  |  | 7.9 |  |  |  | 9.1 |  |  |  | 8.5 |
Other |  |  | 6.4 |  |  |  | 5.8 |  |  |  | 5.3 |
Total Regulatory Assets |  | $ | 123.3 |  |  | $ | 126.9 |  |  | $ | 126.4 |
Less: Current Portion of Regulatory Assets(1) |  |  | 25.2 |  |  |  | 22.6 |  |  |  | 26.8 |
Regulatory Assets – noncurrent |  | $ | 98.1 |  |  | $ | 104.3 |  |  | $ | 99.6 |
(1) | Reflects amounts included in Accrued Revenue, discussed above, on the Company’s Consolidated Balance Sheets.
Regulatory Liabilities |
|  | June 30, |  |  | December 31, |
Regulatory Liabilities consist of the following ($ millions) |  | 2016 |  |  | 2015 |  |  | 2015 |
Tracker Mechanisms |  | $ | 11.0 |  |  | $ | 20.2 |  |  | $ | 8.0 |
Gas Pipeline Refund (Note 6) |  |  | 8.6 |  |  |  | 22.0 |  |  |  | 15.7 |
Total Regulatory Liabilities |  |  | 19.6 |  |  |  | 42.2 |  |  |  | 23.7 |
Less: Current Portion of Regulatory Liabilities |  |  | 15.9 |  |  |  | 31.2 |  |  |  | 15.6 |
Regulatory Liabilities – noncurrent |  | $ | 3.7 |  |  | $ | 11.0 |  |  | $ | 8.1 |
Fair Value of Marketable Securities | These investments are valued based on quoted prices from active markets and are categorized in Level 1 as they are actively traded and no valuation adjustments have been applied. Changes in the fair value of these investments are recorded in Other Expense, net.
|  | June 30, |  |  | December 31, |
Fair Value of Marketable Securities ($ millions) |  | 2016 |  |  | 2015 |  |  | 2015 |
Equity Funds |  | $ | 1.1 |  |  | $ | 0.4 |  |  | $ | 0.4 |
Fixed Income Funds |  |  | 0.8 |  |  |  | 0.3 |  |  |  | 0.3 |
Total Marketable Securities |  | $ | 1.9 |  |  | $ | 0.7 |  |  | $ | 0.7 |
Components of Current and Noncurrent Energy Supply Obligations |
|  | June 30, |  |  | December 31, |
Energy Supply Obligations ($ millions) |  | 2016 |  |  | 2015 |  |  | 2015 |
Current: |  |  |  |  |  |  |  |  |  |  |  |
Exchange Gas Obligation |  | $ | 7.6 |  |  | $ | 6.7 |  |  | $ | 10.3 |
Renewable Energy Portfolio Standards |  |  | 4.9 |  |  |  | 6.7 |  |  |  | 4.0 |
Power Supply Contract Divestitures |  |  | 0.3 |  |  |  | 0.4 |  |  |  | 0.3 |
Total Energy Supply Obligations – Current |  |  | 12.8 |  |  |  | 13.8 |  |  |  | 14.6 |
Long-Term: |  |  |  |  |  |  |  |  |  |  |  |
Power Supply Contract Divestitures |  |  | 1.4 |  |  |  | 1.8 |  |  |  | 1.6 |
Total Energy Supply Obligations |  | $ | 14.2 |  |  | $ | 15.6 |  |  | $ | 16.2 |

X
- Definition Tabular disclosure of marketable securities. This may consist of investments in certain debt and equity securities, short-term investments and other assets. + References Reference 1: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 320 -SubTopic 10 -Section 45 -Paragraph 2 -URI http://asc.fasb.org/extlink&oid=66010992&loc=d3e26626-111562 Reference 2: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 942 -SubTopic 210 -Section S99 -Paragraph 1 -Subparagraph (SX 210.9-03.4) -URI http://asc.fasb.org/extlink&oid=6876686&loc=d3e534808-122878 Reference 3: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 320 -SubTopic 10 -Section 50 -Paragraph 5 -Subparagraph (d) -URI http://asc.fasb.org/extlink&oid=73527792&loc=d3e27232-111563 Reference 4: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 320 -SubTopic 10 -Section 45 -Paragraph 1 -URI http://asc.fasb.org/extlink&oid=66010992&loc=d3e26610-111562 Reference 5: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 320 -SubTopic 10 -Section 50 -Paragraph 2 -Subparagraph (a) -URI http://asc.fasb.org/extlink&oid=73527792&loc=d3e27161-111563 Reference 6: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 210 -SubTopic 10 -Section S99 -Paragraph 1 -Subparagraph (SX 210.5-02.2,12) -URI http://asc.fasb.org/extlink&oid=6877327&loc=d3e13212-122682 + Details
Name: | us-gaap_MarketableSecuritiesTextBlock
Namespace Prefix: | us-gaap_
Data Type: | nonnum:textBlockItemType
Balance Type: | na
Period Type: | duration

X
- Definition Tabular disclosure of assets that are created when regulatory agencies permit public utilities to defer certain costs included in rate-setting to the balance sheet. + References Reference 1: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 980 -SubTopic 340 -Section 50 -Paragraph 2 -URI http://asc.fasb.org/extlink&oid=6499975&loc=d3e44264-110382 Reference 2: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 980 -SubTopic 715 -Section 50 -Paragraph 1 -URI http://asc.fasb.org/extlink&oid=6501251&loc=d3e52485-110419 Reference 3: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 980 -SubTopic 340 -Section 50 -Paragraph 1 -URI http://asc.fasb.org/extlink&oid=6499975&loc=d3e44250-110382 + Details
Name: | us-gaap_ScheduleOfRegulatoryAssetsTextBlock
Namespace Prefix: | us-gaap_
Data Type: | nonnum:textBlockItemType
Balance Type: | na
Period Type: | duration

X
- Definition Tabular disclosure of regulatory liabilities. Detailed information about liabilities that result from rate actions of a regulator. Rate actions of a regulator can impose a liability on a regulated enterprise resulting in a regulatory liability. + References Reference 1: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 980 -SubTopic 405 -Section 25 -Paragraph 1 -URI http://asc.fasb.org/extlink&oid=6500807&loc=d3e48068-110394 + Details
Name: | us-gaap_ScheduleOfRegulatoryLiabilitiesTextBlock
Namespace Prefix: | us-gaap_
Data Type: | nonnum:textBlockItemType
Balance Type: | na
Period Type: | duration

X
- Definition Tabular disclosure of all information related to inventories for utilities. + References Reference 1: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 210 -SubTopic 10 -Section S99 -Paragraph 1 -Subparagraph (SX 210.5-05.6(a)) -URI http://asc.fasb.org/extlink&oid=6877327&loc=d3e13212-122682 + Details
Name: | us-gaap_ScheduleOfUtilityInventoryTextBlock
Namespace Prefix: | us-gaap_
Data Type: | nonnum:textBlockItemType
Balance Type: | na
Period Type: | duration

X
- Definition Tabular disclosure of arrangements in which the entity has committed resources to supply goods or services to a customer. May include identification of the goods or services to be furnished, identity of the purchasing party, pricing, effects on pricing for failing to deliver the [minimum] quantities required to be furnished, cancellation rights, and termination provisions. + References Reference 1: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 210 -SubTopic 10 -Section S99 -Paragraph 1 -Subparagraph (SX 210.5-02(25)) -URI http://asc.fasb.org/extlink&oid=6877327&loc=d3e13212-122682 + Details
Name: | us-gaap_SupplyCommitmentTableTextBlock
Namespace Prefix: | us-gaap_
Data Type: | nonnum:textBlockItemType
Balance Type: | na
Period Type: | duration

X
- Definition Allowance for Doubtful Accounts, Table. + References No definition available. + Details
Name: | utl_AllowanceForDoubtfulAccountsTableTextBlock
Namespace Prefix: | utl_
Data Type: | nonnum:textBlockItemType
Balance Type: | na
Period Type: | duration

X
- Definition Description of the components and amounts included in Exchange Gas Receivable. + References No definition available. + Details
Name: | utl_ScheduleOfOtherAccountsReceivableTableTextBlock
Namespace Prefix: | utl_
Data Type: | nonnum:textBlockItemType
Balance Type: | na
Period Type: | duration

X
- Definition Description of the components and amounts included in Accrued Revenue. + References No definition available. + Details
Name: | utl_UnbilledAccountsReceivableTableTextBlock
Namespace Prefix: | utl_
Data Type: | nonnum:textBlockItemType
Balance Type: | na
Period Type: | duration