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Supplementary Data (Notes) | 12 Months Ended
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Dec. 31, 2014
Supplementary Data [Abstract] |
Supplementary Data | Supplementary Data Valuation and Qualifying Accounts – Allowance for Uncollectible Accounts Receivable
| Years ended December 31,
| 2014 |  | 2013 |  | 2012
Balance at beginning of period | $ | 64.9 |  |  | $ | 59.0 |  |  | $ | 55.4 |
Charges to costs and expenses | 7.4 |  |  | 12.6 |  |  | 16.3 |
Reversals to other accounts1 | 0.1 |  |  | 0.7 |  |  | (0.2 | )
Deductions: |  |  |  |  |
Dispositions | 0.0 |  |  | 0.0 |  |  | (0.4 | )
Uncollectible accounts written off | (8.1 | ) |  | (7.2 | ) |  | (12.6 | )
Foreign currency translation adjustment | (4.8 | ) |  | (0.2 | ) |  | 0.5 |
Balance at end of period | $ | 59.5 |  |  | $ | 64.9 |  |  | $ | 59.0 |
1 | Amounts primarily relate to miscellaneous other amounts and reclassifications.
Property and Equipment
|  | December 31,
|  | 2014 |  | 2013
Furniture and equipment |  | $ | 640.7 |  |  | $ | 661.6 |
Leasehold improvements |  | 594.0 |  |  | 611.4 |
Internal use computer software |  | 296.2 |  |  | 269.1 |
Land and buildings |  | 87.3 |  |  | 109.6 |
|  | 1,618.2 |  |  | 1,651.7 |
Less: accumulated depreciation |  | (1,070.0 | ) |  | (1,111.7 | )
Total property and equipment, net |  | 548.2 |  |  | $ | 540.0 |
The total depreciation and amortization expense for the years ended December 31, 2014, 2013 and 2012 was $132.3, $130.6 and $124.3, respectively. Accrued Liabilities The following table presents the components of accrued liabilities.
| December 31,
| 2014 |  | 2013
Salaries, benefits and related expenses | $ | 510.6 |  |  | $ | 467.2 |
Office and related expenses | 51.5 |  |  | 56.9 |
Acquisition obligations | 88.1 |  |  | 12.8 |
Interest | 18.3 |  |  | 16.0 |
Restructuring and other reorganization-related | 5.5 |  |  | 46.7 |
Other | 122.0 |  |  | 118.8 |
Total accrued liabilities | $ | 796.0 |  |  | $ | 718.4 |
Other (Expense) Income, net Results of operations include certain items that are not directly associated with our revenue-producing operations.
| Years ended December 31,
| 2014 |  | 2013 |  | 2012
Loss on early extinguishment of debt | $ | (10.4 | ) |  | $ | (45.2 | ) |  | $ | 0.0 |
Gains on sales of businesses and investments, net | 0.8 |  |  | 1.5 |  |  | 88.2 |
Vendor discounts and credit adjustments | 3.3 |  |  | 8.6 |  |  | 15.3 |
Other (expense) income, net | (3.9 | ) |  | 2.8 |  |  | (3.0 | )
Total other (expense) income, net | $ | (10.2 | ) |  | $ | (32.3 | ) |  | $ | 100.5 |
Loss on Early Extinguishment of Debt – During 2014, we recorded a charge of $10.4 related to the redemption of our 6.25% Notes. During 2013, we recorded a charge of $45.2 related to the redemption of our 10.00% Notes. See Note 2 to the Consolidated Financial Statements for further information. Gains on Sales of Businesses and Investments, net – During 2014, we recognized gains from the sale of a business located in the Continental Europe region within our IAN segment and the sale of investments in our Rabbi Trusts, which were partially offset by a loss from the sale of a business in the domestic market within our IAN segment. During 2013, we recognized gains from the sale of marketable securities in the Asia Pacific region within our IAN segment and the sale of investments in our Rabbi Trusts, which were partially offset by a loss from the sale of a business in the United Kingdom within our IAN segment. During 2012, we recognized gains from the sale of remaining holdings in Facebook and a business in an international market within our CMG segment, which were partially offset by losses from the sale of businesses within our IAN segment, as well as an adjustment relating to a reserve for a change in estimate in connection with a business disposed of in a prior year. Vendor Discounts and Credit Adjustments – In connection with the liabilities related to vendor discounts and credits established as part of the restatement we presented in our 2004 Annual Report on Form 10-K, these adjustments reflect the reversal of certain of these liabilities primarily where the statute of limitations has lapsed, or as a result of differences resulting from settlements with clients or vendors. Other (Expense) Income, net – During 2014, we recorded an other-than-temporary impairment on an investment in an unconsolidated affiliate in the Asia Pacific region within our IAN segment. During 2013, other income (expense), net primarily included a non-cash gain on re-measurement to fair value of an equity interest in an affiliate, located in the Asia Pacific region within our CMG segment, upon acquiring a controlling interest. Share Repurchase Program In February 2012, our Board of Directors (the "Board") authorized a share repurchase program to repurchase from time to time up to $300.0, excluding fees, of our common stock (the "2012 Share Repurchase Program"). In November 2012, the Board authorized an increase in the amount available under our 2012 Share Repurchase Program up to $400.0, excluding fees, of our common stock, as a result of the sale of our remaining holdings in Facebook. In February 2013, the Board authorized a new share repurchase program to repurchase from time to time up to $300.0, excluding fees, of our common stock (the "2013 Share Repurchase Program"). In March 2013, the Board authorized an increase in the amount available under our 2013 Share Repurchase Program up to $500.0, excluding fees, of our common stock to be used towards the repurchase of shares resulting from the conversion to common stock of the 4.75% Notes. In February 2014, the Board authorized a new share repurchase program to repurchase from time to time up to $300.0, excluding fees, of our common stock (the "2014 Share Repurchase Program"). We may effect such repurchases through open market purchases, trading plans established in accordance with SEC rules, derivative transactions or other means. We expect to continue to repurchase our common stock in future periods, although the timing and amount of the repurchases will depend on market conditions and other funding requirements. The following table presents our share repurchase activity under our share repurchase programs.
| Years ended December 31,
| 2014 |  | 2013 |  | 2012
Number of shares repurchased | 14.9 |  |  | 31.8 |  |  | 32.7 |
Aggregate cost, including fees | $ | 275.1 |  |  | $ | 481.8 |  |  | $ | 350.5 |
Average price per share, including fees | $ | 18.41 |  |  | $ | 15.17 |  |  | $ | 10.72 |
We fully utilized the 2012 Share Repurchase Program as of the second quarter of 2013 and the 2013 Share Repurchase Program as of the third quarter of 2014. As of December 31, 2014, $143.6 remained available for repurchase under the 2014 Share Repurchase Program. The 2014 Share Repurchase Program has no expiration date. Supplemental Cash Flow Information
| Years ended December 31,
| 2014 |  | 2013 |  | 2012
Cash paid for interest | $ | 78.1 |  |  | $ | 110.7 |  |  | $ | 130.6 |
Cash paid for income taxes, net of refunds 1 | 103.9 |  |  | 111.8 |  |  | 95.7 |
1 | Refunds of $21.3, $15.0 and $23.5 were received for the years ended December 31, 2014, 2013 and 2012, respectively.

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