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SUMMARY OF SIGNIFICANT ACCOUNTING POLICIES (Tables)
12 Months Ended
Dec. 31, 2013
Accounting Policies [Abstract]  
Estimated Useful Lives Of Property And Equipment
   Years 
 Building 39 
 Leasehold improvements Lesser of life or lease or expected useful life 
 Equipment and furniture 3 to 7 
 Vehicles 5 
 Computer software 3 to 7 
Property Plant and Equipment
The following table summarizes the balances related to our property and equipment for 2013 and 2012 (amounts in millions):
       
   As of December 31,
   2013  2012
Land $3.2 $3.2
Building and leasehold improvements  25.9  25.6
Equipment and furniture  106.6  127.8
Computer software  153.3  113.3
   289.0  269.9
Less: accumulated depreciation  (130.0)  (113.2)
  $159.0 $156.7
       
Depreciation expense for 2013, 2012 and 2011 was $35.2 million, $36.3 million and $33.6 million, respectively.
Financial Instruments Where Carrying Value and Fair Value Differ
             
Fair Value of Financial Instruments
             
The following details our financial instruments where the carrying value and the fair value differ (amounts in millions):
             
  Fair Value at Reporting Date Using
Financial Instrument As of December 31, 2013 Quoted Prices in Active Markets for Identical Items (Level 1) Significant Other Observable Inputs (Level 2) Significant Unobservable Inputs (Level 3)
Long-term obligations $46.9 $0 $45.8 $0
Weighted-Average Shares Outstanding
    For the Years Ended December 31,  
    2013 2012 2011 
 Weighted average number of shares outstanding - basic 31,247 29,896 28,693 
 Effect of dilutive securities:       
  Stock options 0 0 0 
  Non-vested stock and stock units 0 0 0 
 Weighted average number of shares outstanding - diluted 31,247 29,896 28,693 
 Anti-dilutive securities 688 638 643