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PROPERTY AND EQUIPMENT, NET
12 Months Ended
Dec. 31, 2013
PROPERTY AND EQUIPMENT, NET

NOTE 6 PROPERTY AND EQUIPMENT, NET

Property and equipment, net consisted of:

  December 31,
  2013 2012
Office and computer equipment (2 - 20 year estimated useful life)$ 129.7 $ 119.7
Office furniture and fixtures (5 - 10 year estimated useful life)  40.6   40.3
Internal-use computer software (3 - 5 year estimated useful life)  284.9   263.9
Leasehold improvements (3 - 20 year estimated useful life)  199.2   197.5
 Total property and equipment, at cost  654.4   621.4
Less: accumulated depreciation and amortization  (375.7)   (314.3)
Total property and equipment, net$ 278.7 $ 307.1

Depreciation and amortization expense related to the above assets was $ 65 million, $63.4 million, and $58.7 million for the years ended December 31, 2013, 2012 and 2011, respectively.