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SUMMARY OF SIGNIFICANT ACCOUNTING POLICIES (Tables)
6 Months Ended
Jun. 30, 2016
Accounting Policies [Abstract]  
Property Plant and Equipment
The following table summarizes the balances related to our property and equipment for the periods indicated (amounts in millions):
       
  June 30, 2016 December 31, 2015
Building and leasehold improvements $6.4 $2.3
Equipment and furniture  80.6  89.6
Computer software  97.0  92.6
   184.0  184.5
Less: accumulated depreciation  (139.4)  (141.8)
  $44.6 $42.7
       
Weighted-Average Shares Outstanding
   For the Three-Month Periods Ended June 30, For the Six-Month Periods Ended June 30,
   2016 2015 2016 2015
 Weighted average number of shares outstanding - basic33,197 33,004 33,059 32,871
 Effect of dilutive securities:       
  Stock options181 1 134 0
  Non-vested stock and stock units330 454 448 0
 Weighted average number of shares outstanding - diluted33,708 33,459 33,641 32,871
 Anti-dilutive securities199 514 240 957