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Fixed Assets and Lease Commitments | 12 Months Ended
--- | ---
Dec. 31, 2012
Fixed Assets and Lease Commitments |
Fixed Assets and Lease Commitments | 7. Fixed Assets and Lease Commitments Fixed assets consisted of the following:
|  | December 31, |
--- | --- | --- | ---
|  | 2011 |  | 2012 |
Building and leasehold improvements |  | $ | 59.1 |  | $ | 74.7 |
Office equipment |  |  | 34.1 |  |  | 38.9 |
Furniture and fixtures |  |  | 20.6 |  |  | 16.3 |
Land and improvements |  |  | 17.9 |  |  | 18.1 |
Computer software |  |  | 20.5 |  |  | 21.4 |
Fixed assets, at cost |  |  | 152.2 |  |  | 169.4 |
Accumulated depreciation and amortization |  |  | (83.1 | ) |  | (87.9 | )
Fixed assets, net |  | $ | 69.1 |  | $ | 81.5 |
The Company and its Affiliates lease office space and computer equipment for their operations. At December 31, 2012, the Company's aggregate future minimum payments for operating leases having initial or non-cancelable lease terms greater than one year are payable as follows:
|  | Required Minimum Payments |
--- | --- | --- | ---
2013 |  | $ | 26.9 |
2014 |  |  | 26.4 |
2015 |  |  | 24.0 |
2016 |  |  | 18.3 |
2017 |  |  | 16.3 |
Thereafter |  |  | 64.0 |
Consolidated rent expense for 2010, 2011 and 2012 was $23.3 million, $29.9 million and $30.5 million, respectively.

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- Definition Disclosure of long-lived, physical assets that are used in the normal conduct of business to produce goods and services and not intended for resale. Also includes the following disclosure for operating leases having initial or remaining non cancelable lease terms in excess of one year: (a) future minimum rental payments required as of the date of the latest balance sheet presented, in the aggregate and for each of the five succeeding fiscal years. + References No definition available. + Details
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