XML 51 R23.htm IDEA: XBRL DOCUMENT
v2.4.1.9

Supplementary Data (Tables) | 3 Months Ended
--- | ---
Mar. 31, 2015
Supplementary Data (Tables) [Abstract] |
Schedule of Accrued Liabilities [Table Text Block] | The following table presents the components of accrued liabilities.
| March 31, 2015 |  | December 31, 2014
Salaries, benefits and related expenses | $ | 331.0 |  |  | $ | 510.6 |
Office and related expenses | 52.3 |  |  | 51.5 |
Acquisition obligations | 105.6 |  |  | 88.1 |
Interest | 16.9 |  |  | 18.3 |
Restructuring and other reorganization-related | 4.5 |  |  | 5.5 |
Other | 108.4 |  |  | 122.0 |
Total accrued liabilities | $ | 618.7 |  |  | $ | 796.0 |
Schedule of Other Nonoperating Income, by Component [Table Text Block] | Results of operations for the three months ended March 31, 2015 and 2014, include certain items that are not directly associated with our revenue-producing operations.
| Three months ended March 31,
| 2015 |  | 2014
(Losses) gains on sales of businesses and investments | $ | (0.1 | ) |  | $ | 0.8 |
Vendor discounts and credit adjustments | 0.0 |  |  | 1.5 |
Other income (expense), net | 0.4 |  |  | (0.6 | )
Total other income, net | $ | 0.3 |  |  | $ | 1.7 |
Share Repurchase Program [Table Text Block] | The following table presents our share repurchase activity under our share repurchase programs for the three months ended March 31, 2015 and 2014.
| Three months ended March 31,
| 2015 |  | 2014
Number of shares repurchased | 2.5 |  |  | 2.6 |
Aggregate cost, including fees | $ | 51.2 |  |  | $ | 44.9 |
Average price per share, including fees | $ | 20.84 |  |  | $ | 17.17 |
As of March 31, 2015, $392.3 remains available for repurchase under the share repurchase programs. The share repurchase programs have no expiration date.
Changes in redeemable noncontrolling interests [Table Text Block] | The following table presents changes in our redeemable noncontrolling interests.
| Three months ended March 31,
| 2015 |  | 2014
Balance at beginning of period | $ | 257.4 |  |  | $ | 249.1 |
Change in related noncontrolling interests balance | (2.1 | ) |  | (4.5 | )
Changes in redemption value of redeemable noncontrolling interests: |  |  |
Additions | 0.0 |  |  | 7.9 |
Redemptions and other | (15.7 | ) |  | (1.9 | )
Redemption value adjustments 1 | 3.2 |  |  | (0.8 | )
Balance at end of period | $ | 242.8 |  |  | $ | 249.8 |
1 | Redeemable noncontrolling interests are reported at their estimated redemption value in each reporting period but not less than their initial fair value. Any adjustment to the redemption value impacts retained earnings or additional paid-in capital, except adjustments as a result of currency translation.

X
- Definition Changes in redeemable noncontrolling interests [Table Text Block] + References No definition available. + Details
Name: | ipg_ChangesinredeemablenoncontrollinginterestsTableTextBlock
Namespace Prefix: | ipg_
Data Type: | nonnum:textBlockItemType
Balance Type: | na
Period Type: | duration

X
- Definition [Table Text Block] for Share Repurchase Program [Table] + References No definition available. + Details
Name: | ipg_ShareRepurchaseProgramTableTextBlock
Namespace Prefix: | ipg_
Data Type: | nonnum:textBlockItemType
Balance Type: | na
Period Type: | duration

X
- Details
Name: | ipg_SupplementaryDataTablesAbstract
Namespace Prefix: | ipg_
Data Type: | xbrli:stringItemType
Balance Type: | na
Period Type: | duration

X
- Definition Tabular disclosure of the components of accrued liabilities. + References No definition available. + Details
Name: | us-gaap_ScheduleOfAccruedLiabilitiesTableTextBlock
Namespace Prefix: | us-gaap_
Data Type: | nonnum:textBlockItemType
Balance Type: | na
Period Type: | duration

X
- Definition Tabular disclosure of the detailed components of other nonoperating income. May include methodology, assumptions and amounts for: (a) dividends, (b) interest on securities, (c) profits on securities (net of losses), and (d) miscellaneous other income items. + References Reference 1: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 225 -SubTopic 10 -Section S99 -Paragraph 2 -Subparagraph (SX 210.5-03.7) -URI http://asc.fasb.org/extlink&oid=26872669&loc=d3e20235-122688 Reference 2: http://www.xbrl.org/2003/role/presentationRef -Publisher SEC -Name Regulation S-X (SX) -Number 210 -Section 03 -Paragraph 7 -Article 5 + Details
Name: | us-gaap_ScheduleOfOtherNonoperatingIncomeByComponentTextBlock
Namespace Prefix: | us-gaap_
Data Type: | nonnum:textBlockItemType
Balance Type: | na
Period Type: | duration