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Acquisitions (Tables) | 9 Months Ended
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Sep. 30, 2013
Business Combinations [Abstract] |
Cash Paid For Current And Prior Years' Acquisitions | Details of cash paid for current and prior years' acquisitions are listed below.
| Nine months ended September 30,
| 2013 |  | 2012
Cost of investment: current-year acquisitions | $ | 51.9 |  |  | $ | 154.3 |
Cost of investment: prior-year acquisitions | 28.5 |  |  | 37.0 |
Less: net cash acquired | (4.7 | ) |  | (14.6 | )
Total cost of investment | 75.7 |  |  | 176.7 |
Operating expense 1 | 1.6 |  |  | 3.2 |
Total cash paid for acquisitions 2 | $ | 77.3 |  |  | $ | 179.9 |
1 | Represents cash payments made that were either in excess of the contractual value or contingent upon the future employment of the former owners of acquired companies.
2 | Of the total cash paid, $27.5 and $36.1 for the nine months ended September 30, 2013, and 2012, respectively, are classified under the financing section of the unaudited Consolidated Statements of Cash Flows within acquisition-related payments. These amounts relate to increases in our ownership interests in our consolidated subsidiaries, as well as deferred payments for acquisitions that closed on or after January 1, 2009. Of the total cash paid, $48.2 and $140.6 for the nine months ended September 30, 2013, and 2012, respectively, are classified under the investing section of the unaudited Consolidated Statements of Cash Flows within acquisitions, including deferred payments, net of cash acquired. These amounts relate to initial payments for new transactions and deferred payments for acquisitions that closed prior to January 1, 2009.
Redeemable Noncontrolling Interests | The following table presents changes in our redeemable noncontrolling interests.
| Nine months ended September 30,
| 2013 |  | 2012
Balance at beginning of period | $ | 227.2 |  |  | $ | 243.4 |
Change in related noncontrolling interests balance | (4.9 | ) |  | (8.3 | )
Changes in redemption value of redeemable noncontrolling interests: |  |  |
Additions | 12.5 |  |  | 3.0 |
Redemptions and other | (2.1 | ) |  | (14.2 | )
Redemption value adjustments 1 | (3.1 | ) |  | (3.6 | )
Balance at end of period | $ | 229.6 |  |  | $ | 220.3 |
1 | Redeemable noncontrolling interests are reported at their estimated redemption value in each reporting period, but not less than their initial fair value. Any adjustment to the redemption value impacts retained earnings or additional paid-in capital, except adjustments as a result of currency translation.

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- Definition Cash Paid For Current And Prior Years' Acquisitions [Table Text Block] + References No definition available. + Details
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- Definition Tabular disclosure of redeemable noncontrolling interest (as defined) included in the statement of financial position as either a liability or temporary equity. As of the date of the statement of financial position, such redeemable noncontrolling interest is currently redeemable, as defined, for cash or other assets of the entity at (1) at a fixed or determinable price on a fixed or determinable date, (2) at the option of the holder of the noncontrolling interest, or (3) upon occurrence of an event that is not solely within the control of the entity. + References No definition available. + Details
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