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Supplementary Data (Notes) | 12 Months Ended
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Dec. 31, 2015
Supplementary Data [Abstract] |
Supplementary Data | Supplementary Data Valuation and Qualifying Accounts – Allowance for Uncollectible Accounts Receivable
| Years ended December 31,
| 2015 |  | 2014 |  | 2013
Balance at beginning of period | $ | 59.5 |  |  | $ | 64.9 |  |  | $ | 59.0 |
Charges to costs and expenses | 11.4 |  |  | 7.4 |  |  | 12.6 |
(Reversals) charges to other accounts 1 | (0.4 | ) |  | 0.1 |  |  | 0.7 |
Deductions: |  |  |  |  |
Dispositions | (2.4 | ) |  | 0.0 |  |  | 0.0 |
Uncollectible accounts written off | (9.8 | ) |  | (8.1 | ) |  | (7.2 | )
Foreign currency translation adjustment | (4.1 | ) |  | (4.8 | ) |  | (0.2 | )
Balance at end of period | $ | 54.2 |  |  | $ | 59.5 |  |  | $ | 64.9 |
1 | Amounts primarily represent miscellaneous reclassifications and allowances of acquired companies.
Property and Equipment
|  | December 31,
|  | 2015 |  | 2014
Furniture and equipment |  | $ | 585.1 |  |  | $ | 640.7 |
Leasehold improvements |  | 570.1 |  |  | 594.0 |
Internal use computer software |  | 295.2 |  |  | 296.2 |
Land and buildings |  | 78.7 |  |  | 87.3 |
|  | 1,529.1 |  |  | 1,618.2 |
Less: accumulated depreciation |  | (961.9 | ) |  | (1,070.0 | )
Total property and equipment, net |  | $ | 567.2 |  |  | $ | 548.2 |
The total depreciation and amortization expense for property and equipment for the years ended December 31, 2015, 2014 and 2013 was $130.9, $133.7 and $133.2, respectively. Accrued Liabilities The following table presents the components of accrued liabilities.
| December 31,
| 2015 |  | 2014
Salaries, benefits and related expenses | $ | 502.4 |  |  | $ | 510.6 |
Office and related expenses | 51.0 |  |  | 51.5 |
Acquisition obligations | 50.1 |  |  | 88.1 |
Interest | 17.3 |  |  | 18.3 |
Restructuring and other reorganization-related | 3.3 |  |  | 5.5 |
Other | 136.2 |  |  | 122.0 |
Total accrued liabilities | $ | 760.3 |  |  | $ | 796.0 |
Other Expense, net Results of operations include certain items that are not directly associated with our revenue-producing operations.
| Years ended December 31,
| 2015 |  | 2014 |  | 2013
(Losses) gains on sales of businesses and investments, net | $ | (49.6 | ) |  | $ | 0.8 |  |  | $ | 1.5 |
Loss on early extinguishment of debt | 0.0 |  |  | (10.4 | ) |  | (45.2 | )
Vendor discounts and credit adjustments | 0.8 |  |  | 3.3 |  |  | 8.6 |
Other income (expense), net | 2.1 |  |  | (3.9 | ) |  | 2.8 |
Total other expense, net | $ | (46.7 | ) |  | $ | (10.2 | ) |  | $ | (32.3 | )
(Losses) Gains on Sales of Businesses and Investments, net – During 2015, we recognized losses on the sales of businesses on completed dispositions within both our IAN and CMG segments and the classification of certain assets as held for sale within our IAN segment. During 2014, we recognized gains from the sale of a business located in Continental Europe 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. Assets held for sale of $12.1 and liabilities held for sale of $11.9 are included in Other current assets and Accrued liabilities, respectively, on our Consolidated Balance Sheet as of December 31, 2015. These assets and liabilities held for sale, which primarily consist of accounts receivable and accounts payable, respectively, are related to sales of businesses expected to be completed within the next twelve months. 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% Senior Unsecured Notes due 2017. Notes. See Note 2 to the Consolidated Financial Statements for further information. Other Expense, net Results of operations include certain items that are not directly associated with our revenue-producing operations.
| Years ended December 31,
| 2015 |  | 2014 |  | 2013
(Losses) gains on sales of businesses and investments, net | $ | (49.6 | ) |  | $ | 0.8 |  |  | $ | 1.5 |
Loss on early extinguishment of debt | 0.0 |  |  | (10.4 | ) |  | (45.2 | )
Vendor discounts and credit adjustments | 0.8 |  |  | 3.3 |  |  | 8.6 |
Other income (expense), net | 2.1 |  |  | (3.9 | ) |  | 2.8 |
Total other expense, net | $ | (46.7 | ) |  | $ | (10.2 | ) |  | $ | (32.3 | )
(Losses) Gains on Sales of Businesses and Investments, net – During 2015, we recognized losses on the sales of businesses on completed dispositions within both our IAN and CMG segments and the classification of certain assets as held for sale within our IAN segment. During 2014, we recognized gains from the sale of a business located in Continental Europe 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. Assets held for sale of $12.1 and liabilities held for sale of $11.9 are included in Other current assets and Accrued liabilities, respectively, on our Consolidated Balance Sheet as of December 31, 2015. These assets and liabilities held for sale, which primarily consist of accounts receivable and accounts payable, respectively, are related to sales of businesses expected to be completed within the next twelve months. 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% Senior Unsecured Notes due 2017. Notes. See Note 2 to the Consolidated Financial Statements for further information. 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 Income (Expense), net – During 2015, we recorded a gain related to foreign currency forward exchange contracts within our Corporate and other segment. 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 2013, our Board of Directors (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"). In February 2015, 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 "2015 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,
| 2015 |  | 2014 |  | 2013
Number of shares repurchased | 13.6 |  |  | 14.9 |  |  | 31.8 |
Aggregate cost, including fees | $ | 285.2 |  |  | $ | 275.1 |  |  | $ | 481.8 |
Average price per share, including fees | $ | 20.97 |  |  | $ | 18.41 |  |  | $ | 15.17 |
We fully utilized the 2013 Share Repurchase Program in the third quarter of 2014 and the 2014 Share Repurchase Program in the third quarter of 2015. As of December 31, 2015, $158.6 remained available for repurchase under the 2015 Share Repurchase Program. The 2015 Share Repurchase Program has no expiration date. Supplemental Cash Flow Information
| Years ended December 31,
| 2015 |  | 2014 |  | 2013
Cash paid for interest | $ | 74.5 |  |  | $ | 78.1 |  |  | $ | 110.7 |
Cash paid for income taxes, net of refunds 1 | 231.9 |  |  | 103.9 |  |  | 111.8 |
1 | Refunds of $13.0, $21.3 and $15.0 were received for the years ended December 31, 2015, 2014 and 2013, respectively.

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