XML 68 R33.htm IDEA: XBRL DOCUMENT
v2.4.0.8

Convertible Preferred Stock (Details) (USD $) | Sep. 30, 2013
--- | ---
Convertible Preferred Stock [Abstract] |
Convertible Preferred Stock, Interest Rate, Stated Percentage | 5.25%
Convertible Preferred Stock, Prior Conversion Ratio | 77.1251
Convertible Preferred Stock, Current Conversion Ratio | 77.8966
Convertible Preferred Stock, Prior Conversion Price | $ 12.97
Convertible Preferred Stock, Current Conversion Price | $ 12.84

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

X
- Definition The price per share of the conversion feature embedded in the convertible preferred stock instrument. + References No definition available. + Details
Name: | ipg_ConvertiblePreferredStockConversionPrice
Namespace Prefix: | ipg_
Data Type: | num:perShareItemType
Balance Type: | na
Period Type: | instant

X
- Definition Before the adjustment for payment of cash dividends, the price per share of the conversion feature embedded in the convertible preferred stock instrument. + References No definition available. + Details
Name: | ipg_ConvertiblePreferredStockConversionPriceBeforeAdjustmentForDividends
Namespace Prefix: | ipg_
Data Type: | num:perShareItemType
Balance Type: | na
Period Type: | instant

X
- Definition Interest rate stated in convertible preferred stock agreement. + References No definition available. + Details
Name: | ipg_ConvertiblePreferredStockInterestRateStatedPercentage
Namespace Prefix: | ipg_
Data Type: | num:percentItemType
Balance Type: | na
Period Type: | instant

X
- Definition Prior to the adjustment as a result of the cumulative effect of cash dividends on common stock, the previous number of shares that each share of convertible preferred stock is convertible to. + References No definition available. + Details
Name: | ipg_ConvertiblePreferredStockSharesIssuedUponConversionBeforeAdjustmentForDividends
Namespace Prefix: | ipg_
Data Type: | xbrli:decimalItemType
Balance Type: | na
Period Type: | instant

X
- Definition Number of shares issued for each share of convertible preferred stock that is converted. + References Reference 1: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 505 -SubTopic 10 -Section 50 -Paragraph 3 -URI http://asc.fasb.org/extlink&oid=6928386&loc=d3e21475-112644 Reference 2: http://www.xbrl.org/2003/role/presentationRef -Publisher SEC -Name Regulation S-X (SX) -Number 210 -Section 02 -Paragraph 29 -Article 5 Reference 3: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 505 -SubTopic 10 -Section 50 -Paragraph 6 -Subparagraph (b) -URI http://asc.fasb.org/extlink&oid=6928386&loc=d3e21506-112644 + Details
Name: | us-gaap_ConvertiblePreferredStockSharesIssuedUponConversion
Namespace Prefix: | us-gaap_
Data Type: | xbrli:sharesItemType
Balance Type: | na
Period Type: | instant