XML 142 R126.htm IDEA: XBRL DOCUMENT
v3.3.1.900

Share-based Compensation Awards (Details) - USD ($) $ / shares in Units, shares in Millions, $ in Millions | 12 Months Ended
--- | ---
Dec. 31, 2015 | Dec. 31, 2014 | Dec. 31, 2013
Stock-settled awards |  |  |
Stock-based Payment Award |  |  |
Stock based awards expected to be settled in cash | 0.8 | 1.2 | 1.1
Weighted-average grant-date fair value (per award) | $ 22.07 | $ 17.77 | $ 13.51
Total fair value of vested awards distributed | $ 18.8 | $ 12.6 | $ 35.4
Accrued dividends on non-vested stock-settled awards | 0.9 | 0.8 |
Dividends paid for stock-settled awards | $ 0.6 | $ 0.5 |
Cash-settled awards |  |  |
Stock-based Payment Award |  |  |
Stock based awards expected to be settled in cash | 0.1 | 0.1 | 0.1
Weighted-average grant-date fair value (per award) | $ 20.46 | $ 18.20 | $ 16.35
Total fair value of vested awards distributed | $ 0.2 | $ 0.6 | $ 5.4
Performance-based awards |  |  |
Stock-based Payment Award |  |  |
Stock based awards expected to be settled in cash | 2.9 | 3.5 | 1.5
Weighted-average grant-date fair value (per award) | $ 20.88 | $ 16.56 | $ 11.97
Total fair value of vested awards distributed | $ 18.7 | $ 15.3 | $ 0.2
Performance based cash awards settled in shares |  |  |
Stock-based Payment Award |  |  |
Total fair value of vested awards distributed | $ 16.6 | $ 19.8 |

X
- Definition Dividends paid for stock-settled awards vested during the period. + References No definition available. + Details
Name: | ipg_DividendsPaidForStockSettledAwards
Namespace Prefix: | ipg_
Data Type: | xbrli:monetaryItemType
Balance Type: | credit
Period Type: | duration

X
- Definition Stock based awards expected to be settled in cash + References No definition available. + Details
Name: | ipg_Stockbasedawardsexpectedtobesettledincash
Namespace Prefix: | ipg_
Data Type: | xbrli:sharesItemType
Balance Type: | na
Period Type: | duration

X
- Definition Amount of paid and unpaid stock dividends declared and applicable to holders of share-based compensation, for example, but not limited to, non-vested shares, stock options, or restricted stock units. + References No definition available. + Details
Name: | us-gaap_DividendsSharebasedCompensationStock
Namespace Prefix: | us-gaap_
Data Type: | xbrli:monetaryItemType
Balance Type: | debit
Period Type: | duration

X
- Definition The weighted average fair value at grant date for nonvested equity-based awards issued during the period on other than stock (or unit) option plans (for example, phantom stock or unit plan, stock or unit appreciation rights plan, performance target plan). + References Reference 1: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 718 -SubTopic 10 -Section 50 -Paragraph 2 -Subparagraph (c)(2)(iii)(1) -URI http://asc.fasb.org/extlink&oid=6415400&loc=d3e5070-113901 + Details
Name: | us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardEquityInstrumentsOtherThanOptionsGrantsInPeriodWeightedAverageGrantDateFairValue
Namespace Prefix: | us-gaap_
Data Type: | num:perShareItemType
Balance Type: | na
Period Type: | duration

X
- Definition Fair value of share-based awards for which the grantee gained the right by satisfying service and performance requirements, to receive or retain shares or units, other instruments, or cash. + References Reference 1: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 718 -SubTopic 10 -Section 50 -Paragraph 2 -Subparagraph (d)(2) -URI http://asc.fasb.org/extlink&oid=6415400&loc=d3e5070-113901 + Details
Name: | us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardEquityInstrumentsOtherThanOptionsVestedInPeriodTotalFairValue
Namespace Prefix: | us-gaap_
Data Type: | xbrli:monetaryItemType
Balance Type: | debit
Period Type: | duration

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

X
- Details
Name: | us-gaap_AwardTypeAxis=ipg_StockSettledAwardsMember
Namespace Prefix: |
Data Type: | na
Balance Type: |
Period Type: |

X
- Details
Name: | us-gaap_AwardTypeAxis=ipg_CashSettledAwardsMember
Namespace Prefix: |
Data Type: | na
Balance Type: |
Period Type: |

X
- Details
Name: | us-gaap_AwardTypeAxis=ipg_PerformanceBasedAwardsMember
Namespace Prefix: |
Data Type: | na
Balance Type: |
Period Type: |

X
- Details
Name: | us-gaap_AwardTypeAxis=ipg_PerformanceBasedCashAwardsSettledInSharesMember
Namespace Prefix: |
Data Type: | na
Balance Type: |
Period Type: |