XML 91 R76.htm IDEA: XBRL DOCUMENT
v3.6.0.2

Employee Benefits Fair Value of Pension Plan Assets (Tables) | 12 Months Ended
--- | ---
Dec. 31, 2016
Compensation and Retirement Disclosure [Abstract] |
Fair Value of Pension Plan Assets [Table Text Block] | The following table presents the fair value of our domestic and foreign pension plan assets as of December 31, 2016 and 2015, and indicates the fair value hierarchy of the valuation techniques utilized to determine such fair value. See Note 10 for a description of the fair value hierarchy.
| December 31, 2016 |  | December 31, 2015
Asset Class | Level 1 |  | Level 2 |  | Level 3 |  | Total |  | Level 1 |  | Level 2 |  | Level 3 |  | Total
Investment funds | $ | 14.4 |  |  | $ | 313.6 |  |  | $ | 54.3 |  |  | $ | 382.3 |  |  | $ | 16.8 |  |  | $ | 335.8 |  |  | $ | 57.9 |  |  | $ | 410.5 |
Limited partnerships | 0.0 |  |  | 0.0 |  |  | 28.0 |  |  | 28.0 |  |  | 0.0 |  |  | 0.0 |  |  | 31.0 |  |  | 31.0 |
Fixed income securities | 22.6 |  |  | 0.3 |  |  | 0.0 |  |  | 22.9 |  |  | 22.1 |  |  | 0.4 |  |  | 0.0 |  |  | 22.5 |
Insurance contracts | 0.0 |  |  | 7.8 |  |  | 0.0 |  |  | 7.8 |  |  | 0.0 |  |  | 13.7 |  |  | 0.0 |  |  | 13.7 |
Other | 20.1 |  |  | 0.0 |  |  | 0.0 |  |  | 20.1 |  |  | 23.0 |  |  | 0.0 |  |  | 0.0 |  |  | 23.0 |
Total | $ | 57.1 |  |  | $ | 321.7 |  |  | $ | 82.3 |  |  | $ | 461.1 |  |  | $ | 61.9 |  |  | $ | 349.9 |  |  | $ | 88.9 |  |  | $ | 500.7 |

X
- Definition Fair Value of Pension Plan Assets [Table Text Block] + References No definition available. + Details
Name: | ipg_FairValueOfPensionPlanAssetsTableTextBlock
Namespace Prefix: | ipg_
Data Type: | nonnum:textBlockItemType
Balance Type: | na
Period Type: | duration

X
- References No definition available. + Details
Name: | us-gaap_CompensationAndRetirementDisclosureAbstract
Namespace Prefix: | us-gaap_
Data Type: | xbrli:stringItemType
Balance Type: | na
Period Type: | duration