XML 66 R51.htm IDEA: XBRL DOCUMENT
v3.6.0.2

Supplementary Data Valuation and Qualifying Accounts - Allowance for Uncollectible Accounts (Tables) | 12 Months Ended
--- | ---
Dec. 31, 2016
Valuation and Qualifying Accounts - Allowance for Uncollectible Accounts [Abstract] |
Valuation and Qualifying Accounts - Allowance for Uncollectible Accounts Receivable | Valuation and Qualifying Accounts – Allowance for Uncollectible Accounts Receivable
| Years ended December 31,
| 2016 |  | 2015 |  | 2014
Balance at beginning of period | $ | 54.2 |  |  | $ | 59.5 |  |  | $ | 64.9 |
Charges to costs and expenses | 16.7 |  |  | 11.4 |  |  | 7.4 |
Deductions: |  |  |  |  |
Dispositions | (2.5 | ) |  | (2.8 | ) |  | 0.1 |
Uncollectible accounts written off | (9.4 | ) |  | (9.8 | ) |  | (8.1 | )
Foreign currency translation adjustment | (3.3 | ) |  | (4.1 | ) |  | (4.8 | )
Balance at end of period | $ | 55.7 |  |  | $ | 54.2 |  |  | $ | 59.5 |

X
- Definition Valuation and Qualifying Accounts - Allowance for Uncollectible Accounts [Abstract] + References No definition available. + Details
Name: | ipg_ValuationandQualifyingAccountsAllowanceforUncollectibleAccountsAbstract
Namespace Prefix: | ipg_
Data Type: | xbrli:stringItemType
Balance Type: | na
Period Type: | duration

X
- Definition Tabular disclosure of financing receivables (examples of financing receivables include loans, trade accounts receivable and notes receivable) and activity in the allowance for credit losses account. + References Reference 1: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 310 -SubTopic 10 -Section 50 -Paragraph 11B -URI http://asc.fasb.org/extlink&oid=66008989&loc=SL6953423-111524 + Details
Name: | us-gaap_AllowanceForCreditLossesOnFinancingReceivablesTableTextBlock
Namespace Prefix: | us-gaap_
Data Type: | nonnum:textBlockItemType
Balance Type: | na
Period Type: | duration