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SHARE-BASED COMPENSATION PLANS (Tables)
12 Months Ended
Dec. 31, 2012
SHARE-BASED COMPENSATION PLANS [Abstract]  
Compensation cost charged to expense under all share-based incentive awards
Restricted share awards, share appreciation rights and options granted generally have multiple vesting dates.  The Company recognizes compensation cost for share-based awards on a straight-line basis over the requisite service period for the entire award.  Compensation cost charged to expense under all share-based incentive awards is presented below (in thousands):


   
2012
  
2011
  
2010
 
           
Restricted shares and restricted share units
 $18,557  $15,912  $13,379 
Share appreciation rights
  5,358   5,813   2,678 
Share options
  152   239   239 
Performance-based awards
  741   124   (718)
Total compensation cost
  24,808   22,088   15,578 
Less: Discontinued operations
  -   (1,003)  (1,310)
Continuing operations
 $24,808  $21,085  $14,268 
Restricted share activity
Restricted SharesA restricted share represents an ordinary share subject to a vesting period that restricts its sale or transfer until the vesting period ends.  In general, the restricted shares vest and the restrictions lapse in one-third increments each year over a three-year service period, or in some cases, cliff vest at the end of a three-year service period.  The Company measures compensation based on the market price of the shares on the date of grant.  Restricted share activity for the year ended December 31, 2012, is summarized below:


   
Number of Shares
  
Weighted-average grant-date fair value per share
 
        
Nonvested at January 1, 2012
  878,489  $31.49 
Granted
  678,829   35.32 
Vested
  (503,055)  28.01 
Forfeited
  (22,229)  27.26 
Nonvested at December 31, 2012
  1,032,034  $35.80 
Employee restricted share unit activity
Employee Restricted Share UnitsRestricted share units (RSUs) are rights to receive a specified number of ordinary shares or an equivalent value in cash.  RSUs granted to employees typically vest in one-third increments over a three-year service period or in some cases cliff vest at the end of three years and are settled at the time of vesting.  The Company measures compensation based on the market price of the underlying shares on the grant date.  The Company intends to settle employee RSUs in shares and has therefore accounted for the awards as equity awards.  Employee RSU activity for the year ended December 31, 2012, follows:

   
Number of Shares
  
Weighted-average grant-date fair value per share
 
        
Nonvested at January 1, 2012
  -  $- 
Granted
  25,236   34.78 
Vested
  (1,092)  35.47 
Forfeited
  -   - 
Nonvested at December 31, 2012
  24,144  $34.74 
Non-employee director restricted share units activity
Non-employee Director Restricted Share UnitsRSUs granted to nonemployee directors generally cliff vest at the earlier of the first anniversary of the grant date or the next annual meeting of shareholders following the grant date and are settled in either cash or shares at the discretion of the Compensation Committee determined at the time the director terminates service to the Board.  The Company accounts for RSUs granted to non-employee directors under the liability method of accounting.  Compensation is recognized over the service period initially based on the market price of the underlying shares on the grant date and is adjusted for changes in market value through the settlement date.  Non-employee director RSU activity for the year ended December 31, 2012, follows:

   
Number of shares
  
Weighted-average grant-date fair value per share
 
        
Outstanding at January 1, 2012
  207,971  $34.59 
Granted
  53,217   33.82 
Settled
  (43,072)  32.36 
Outstanding at December 31, 2012
  218,116  $32.71 
          
Vested at December 31, 2012
  164,899  $32.36 
Weighted-average assumptions used to determine fair values of SARs
Fair values of SARs granted were determined using the Black-Scholes option pricing model with the following weighted-average assumptions:


   
2012
  
2011
  
2010
 
           
Expected life in years
  6.0   5.7   6.0 
Risk-free interest rate
  1.108%  2.269%  2.725%
Expected volatility
  44.30%  49.16%  50.16%
Weighted-average grant-date per-share fair value
 $15.28  $19.76  $14.00 
Stock appreciation rights activity
SARs activity for the year ended December 31, 2012, is summarized below:

   
Number of shares under SARs
  
Weighted-average exercise price
  
Weighted-average remaining contractual term (in years)
  
Aggregate intrinsic value (in thousands)
 
              
Outstanding at January 1, 2012
  1,188,435  $27.43       
Granted
  260,052   35.44       
Exercised
  (26,151)  20.02       
Forfeited
  (5,367)  35.47       
Outstanding at December 31, 2012
  1,416,969  $29.01   6.5  $7,174 
                  
Exercisable at December 31, 2012
  876,442  $24.67   5.8  $6,933 
Share option activity
Share option activity for the year ended December 31, 2012, is summarized below:

   
Number of shares under option
  
Weighted-average exercise price
  
Weighted-average remaining contractual term (in years)
  
Aggregate intrinsic value (in thousands)
 
              
Outstanding at January 1, 2012
  559,205  $23.26       
Exercised
  (27,908)  21.07       
Forfeited or expired
  (251)  23.18       
Outstanding at December 31, 2012
  531,046  $23.37   2.3  $4,331 
                  
Exercisable at December 31, 2012
  531,046  $23.37   2.3  $4,331