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Consolidated Statements of Comprehensive Income (Loss) (USD $) In Millions, unless otherwise specified | 3 Months Ended | 9 Months Ended
--- | --- | ---
Sep. 30, 2014 | Sep. 30, 2013 | Sep. 30, 2014 | Sep. 30, 2013
Statement of Comprehensive Income [Abstract] |  |  |  |  |  |  |  |
NET INCOME | $ 92.8 |  | $ 49.2 |  | $ 174.1 |  | $ 76.8 |
OTHER COMPREHENSIVE (LOSS) INCOME |  |  |  |  |  |  |  |
Foreign currency translation adjustments | (113.5) |  | 24.0 |  | (89.0) |  | (89.3) |
Less: reclassification adjustments recognized in net income | 0 |  | 0 |  | (0.9) |  | 0 |
Foreign Currency Transaction and Translation Adjustment, Net of Tax | (113.5) |  | 24.0 |  | (89.9) |  | (89.3) |
Available-for-sale securities: |  |  |  |  |  |  |  |
Changes in market value of available-for sale securities | 0.2 |  | (0.1) |  | 0.4 |  | 0.7 |
Less: recognition of previously unrealized gains included in net income | 0 |  | 0 |  | 0 |  | (1.4) |
Income tax effect | (0.3) |  | 0 |  | (0.3) |  | 0.2 |
Available-for-sale securities, net of tax | (0.1) |  | (0.1) |  | 0.1 |  | (0.5) |
Derivative instruments: |  |  |  |  |  |  |  |
Changes in fair value of derivative instruments | 0 |  | 0 |  | (0.6) |  | 0 |
Less: recognition of previously unrealized losses included in net income | 0.5 |  | 0.4 |  | 1.4 |  | 1.3 |
Income tax effect | (0.2) |  | (0.1) |  | (0.3) |  | (0.5) |
Derivative instruments, net of tax | 0.3 |  | 0.3 |  | 0.5 |  | 0.8 |
Defined benefit pension and other postretirement plans: |  |  |  |  |  |  |  |
Net actuarial losses for the period | 0 |  | 0 |  | (0.3) |  | 0 |
Less: amortization of unrecognized losses, transition obligation and prior service cost included in net income | 2.6 | [1] | 2.7 | [1] | 7.6 | [1] | 8.2 | [1]
Other | (0.1) |  | (0.2) |  | (0.3) |  | (0.9) |
Income tax effect | (1.0) |  | (0.8) |  | (2.3) |  | (2.8) |
Defined benefit pension and other postretirement plans, net of tax | 1.5 |  | 1.7 |  | 4.7 |  | 4.5 |
Other comprehensive (loss) income, net of tax | (111.8) |  | 25.9 |  | (84.6) |  | (84.5) |
TOTAL COMPREHENSIVE (LOSS) INCOME | (19.0) |  | 75.1 |  | 89.5 |  | (7.7) |
Less: comprehensive income (loss) attributable to noncontrolling interests | 3.4 |  | 0.7 |  | 5.3 |  | (1.2) |
COMPREHENSIVE (LOSS) INCOME ATTRIBUTABLE TO IPG | $ (22.4) |  | $ 74.4 |  | $ 84.2 |  | $ (6.5) |
[1] | These accumulated other comprehensive loss components are included in the computation of net periodic cost. See Note 10 for further information.

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