XML 28 R9.htm IDEA: XBRL DOCUMENT
v3.5.0.2

Receivables | 6 Months Ended
--- | ---
Jun. 30, 2016
Receivables [Line Items] |
Receivables | RECEIVABLES Sales of Accounts Receivable - IPL maintains a Receivables Agreement whereby it may sell its customer accounts receivables, unbilled revenues and certain other accounts receivables to a third party through wholly-owned and consolidated special purpose entities. In March 2016, IPL extended through March 2018 the purchase commitment from the third party to which it sells its receivables. The transfers of receivables meet the criteria for sale accounting established by the transfer of financial assets accounting rules. As of June 30, 2016, IPL sold $220.2 million of receivables to the third party, received $138.0 million in cash proceeds and recorded deferred proceeds of $74.4 million. IPL’s maximum and average outstanding cash proceeds related to the sales of accounts receivable program for the three and six months ended June 30 were as follows (in millions):
| Three Months |  | Six Months
| 2016 |  | 2015 |  | 2016 |  | 2015
Maximum outstanding aggregate cash proceeds (based on daily outstanding balances) |  | $150.0 |  |  |  | $125.0 |  |  |  | $150.0 |  |  |  | $125.0 |
Average outstanding aggregate cash proceeds (based on daily outstanding balances) | 122.7 |  |  | 77.3 |  |  | 80.9 |  |  | 72.7 |
For the three and six months ended June 30, 2016 and 2015, IPL’s costs incurred related to the sales of accounts receivable program were not material. The attributes of IPL’s receivables sold under the Receivables Agreement were as follows (in millions):
| June 30, 2016 |  | December 31, 2015
Customer accounts receivable |  | $127.6 |  |  |  | $109.7 |
Unbilled utility revenues | 92.1 |  |  | 71.3 |
Other receivables | 0.5 |  |  | 0.1 |
Receivables sold to third party | 220.2 |  |  | 181.1 |
Less: cash proceeds (a) | 138.0 |  |  | 5.0 |
Deferred proceeds | 82.2 |  |  | 176.1 |
Less: allowance for doubtful accounts | 7.8 |  |  | 4.1 |
Fair value of deferred proceeds |  | $74.4 |  |  |  | $172.0 |
(a) | Changes in cash proceeds are presented in “Sales of accounts receivable” in operating activities in Alliant Energy’s and IPL’s cash flows statements.
As of June 30, 2016, outstanding receivables past due under the Receivables Agreement were $49.2 million. Additional attributes of IPL’s receivables sold under the Receivables Agreement for the three and six months ended June 30 were as follows (in millions):
| Three Months |  | Six Months
| 2016 |  | 2015 |  | 2016 |  | 2015
Collections reinvested in receivables |  | $422.2 |  |  |  | $417.1 |  |  |  | $862.4 |  |  |  | $923.0 |
Credit losses (recoveries), net | (0.7 | ) |  | 2.5 |  |  | (0.3 | ) |  | 3.5 |
IPL [Member] |
Receivables [Line Items] |
Receivables | RECEIVABLES Sales of Accounts Receivable - IPL maintains a Receivables Agreement whereby it may sell its customer accounts receivables, unbilled revenues and certain other accounts receivables to a third party through wholly-owned and consolidated special purpose entities. In March 2016, IPL extended through March 2018 the purchase commitment from the third party to which it sells its receivables. The transfers of receivables meet the criteria for sale accounting established by the transfer of financial assets accounting rules. As of June 30, 2016, IPL sold $220.2 million of receivables to the third party, received $138.0 million in cash proceeds and recorded deferred proceeds of $74.4 million. IPL’s maximum and average outstanding cash proceeds related to the sales of accounts receivable program for the three and six months ended June 30 were as follows (in millions):
| Three Months |  | Six Months
| 2016 |  | 2015 |  | 2016 |  | 2015
Maximum outstanding aggregate cash proceeds (based on daily outstanding balances) |  | $150.0 |  |  |  | $125.0 |  |  |  | $150.0 |  |  |  | $125.0 |
Average outstanding aggregate cash proceeds (based on daily outstanding balances) | 122.7 |  |  | 77.3 |  |  | 80.9 |  |  | 72.7 |
For the three and six months ended June 30, 2016 and 2015, IPL’s costs incurred related to the sales of accounts receivable program were not material. The attributes of IPL’s receivables sold under the Receivables Agreement were as follows (in millions):
| June 30, 2016 |  | December 31, 2015
Customer accounts receivable |  | $127.6 |  |  |  | $109.7 |
Unbilled utility revenues | 92.1 |  |  | 71.3 |
Other receivables | 0.5 |  |  | 0.1 |
Receivables sold to third party | 220.2 |  |  | 181.1 |
Less: cash proceeds (a) | 138.0 |  |  | 5.0 |
Deferred proceeds | 82.2 |  |  | 176.1 |
Less: allowance for doubtful accounts | 7.8 |  |  | 4.1 |
Fair value of deferred proceeds |  | $74.4 |  |  |  | $172.0 |
(a) | Changes in cash proceeds are presented in “Sales of accounts receivable” in operating activities in Alliant Energy’s and IPL’s cash flows statements.
As of June 30, 2016, outstanding receivables past due under the Receivables Agreement were $49.2 million. Additional attributes of IPL’s receivables sold under the Receivables Agreement for the three and six months ended June 30 were as follows (in millions):
| Three Months |  | Six Months
| 2016 |  | 2015 |  | 2016 |  | 2015
Collections reinvested in receivables |  | $422.2 |  |  |  | $417.1 |  |  |  | $862.4 |  |  |  | $923.0 |
Credit losses (recoveries), net | (0.7 | ) |  | 2.5 |  |  | (0.3 | ) |  | 3.5 |

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_AccountsNotesAndLoansReceivableLineItems
Namespace Prefix: | us-gaap_
Data Type: | xbrli:stringItemType
Balance Type: | na
Period Type: | duration

X
- Definition The entire disclosure for claims held for amounts due a entity, excluding financing receivables. Examples include, but are not limited to, trade accounts receivables, notes receivables, loans receivables. Includes disclosure for allowance for credit losses. + References Reference 1: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 310 -SubTopic 10 -Section 50 -Paragraph 3 -URI http://asc.fasb.org/extlink&oid=66008989&loc=d3e5066-111524 Reference 2: 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(4)) -URI http://asc.fasb.org/extlink&oid=6877327&loc=d3e13212-122682 Reference 3: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 946 -SubTopic 210 -Section S99 -Paragraph 1 -Subparagraph (SX 210.6-04(6)) -URI http://asc.fasb.org/extlink&oid=6488278&loc=d3e603758-122996 Reference 4: 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(3)) -URI http://asc.fasb.org/extlink&oid=6877327&loc=d3e13212-122682 Reference 5: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 310 -SubTopic 10 -Section 50 -Paragraph 11 -URI http://asc.fasb.org/extlink&oid=66008989&loc=d3e5162-111524 Reference 6: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 944 -SubTopic 210 -Section S99 -Paragraph 1 -Subparagraph (SX 210.7-03(a)(5)) -URI http://asc.fasb.org/extlink&oid=6879938&loc=d3e572229-122910 Reference 7: 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(7)) -URI http://asc.fasb.org/extlink&oid=6876686&loc=d3e534808-122878 Reference 8: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 310 -SubTopic 10 -Section 50 -Paragraph 4 -URI http://asc.fasb.org/extlink&oid=66008989&loc=d3e5074-111524 + Details
Name: | us-gaap_LoansNotesTradeAndOtherReceivablesDisclosureTextBlock
Namespace Prefix: | us-gaap_
Data Type: | nonnum:textBlockItemType
Balance Type: | na
Period Type: | duration

X
- Details
Name: | dei_LegalEntityAxis=lnt_IplMember
Namespace Prefix: |
Data Type: | na
Balance Type: |
Period Type: |