| 28.63 | 24 | 4.99 | 10.81 | 10.94 | 14.94 |  | 
Depreciation & Amortization      | 47.84 | 49.11 | 50.55 | 56.07 | 56.02 | 53.64 |  | 
 | 1.74 | 1.67 | 1.69 | 3.53 | 1.64 | 1.59 |  | 
Gain (Loss) on Sale of Assets      | -14.37 | -14.23 | -7.74 | -10.05 | 1.15 | -8.1 |  | 
 | 6.34 | 6.82 | 19.3 | 12.09 | - | 3.62 |  | 
Change in Accounts Receivable      | -4.49 | -5.54 | -3.16 | -1.33 | -2.9 | -1.9 |  | 
Change in Accounts Payable      | 2.96 | -0.04 | -0.01 | 1.6 | 2.83 | -1.68 |  | 
Change in Other Net Operating Assets      | -1.02 | 0.28 | -0.04 | -1.64 | 2.49 | 4.74 |  | 
Other Operating Activities      | 14.23 | -5.18 | -5.21 | -1.9 | -2.03 | -1.36 |  | 
 | 81.86 | 56.95 | 60.37 | 69.18 | 70.13 | 65.49 |  | 
Operating Cash Flow Growth      | 40.40% | -5.66% | -12.73% | -1.35% | 7.07% | 8.80% |  | 
Acquisition of Real Estate Assets      | -184.49 | -40.15 | -36.69 | -119.79 | -105.5 | -134.29 |  | 
Sale of Real Estate Assets      | 21.43 | 37.64 | 37.01 | 39.5 | 8.84 | 35.83 |  | 
Net Sale / Acq. of Real Estate Assets      | -163.06 | -2.52 | 0.32 | -80.29 | -96.66 | -98.46 |  | 
 | -1.45 | - | - | - | - | -0.3 |  | 
Other Investing Activities      | 1.14 | 0.79 | 0.82 | -2.22 | 1.88 | -1.5 |  | 
 | -163.36 | -1.73 | 1.14 | -82.51 | -94.78 | -100.26 |  | 
 | - | 173.64 | 132.6 | 324.66 | 156.4 | 232.98 |  | 
 | - | -218.81 | -141.18 | -280.79 | -118.72 | -191.86 |  | 
 | 72 | -45.17 | -8.58 | 43.87 | 37.68 | 41.12 |  | 
 | 82.98 | 55.43 | 10.23 | 49.68 | 144.68 | 63.61 |  | 
Repurchase of Common Stock      | - | - | -1.05 | - | - | - |  | 
Preferred Share Repurchases      | -3.78 | -1.71 | -0.5 | -0.36 | -87.74 | - |  | 
Common & Preferred Dividends Paid      | -65.76 | -62.79 | -60.62 | -71.09 | -67.11 | -63 |  | 
 | -65.76 | -62.79 | -60.62 | -71.09 | -67.11 | -63 |  | 
Other Financing Activities      | -2.46 | -2.04 | -0.83 | -5.94 | -5.75 | -2.37 |  | 
 | 1.48 | -1.06 | 0.14 | 2.81 | -2.9 | 4.59 |  | 
 | 35.67 | 35.67 | 33.14 | 27.84 | 23.39 | 26.1 |  | 
 | 61.88 | 63.38 | 38.16 | 66.83 | 73.81 | 52.5 |  | 
 | 83.67 | 85.09 | 59.8 | 83.59 | 88.98 | 67.66 |  | 
Change in Working Capital      | -2.55 | -5.3 | -3.21 | -1.37 | 2.43 | 1.16 |  |