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STOCK-BASED COMPENSATION (Tables)
9 Months Ended
Sep. 30, 2013
Disclosure of Compensation Related Costs, Share-based Payments [Abstract]  
Summary of total shares granted, forfeited and delivered
Following is a summary of the total restricted shares granted, forfeited and delivered (vested) to employees with the related weighted average grant date fair value share prices.  Of the shares that vested in the first nine months of 2013, the Company withheld 17,927 shares to satisfy the tax obligations for those employees who elected this option as permitted under the applicable equity plan.  As of the vesting date, the fair value of shares that vested during the first nine months of 2013 was $1,700,000.
 
Three Months Ended
 
Nine Months Ended
Award Activity:
September 30, 2013
 
September 30, 2013
 
 
 
Shares
 
Weighted Average Grant Date Fair Value
 
 
 
Shares
 
Weighted Average Grant Date Fair Value
Unvested at beginning of period
273,039

 
$
46.55

 
212,206

 
$
42.84

Granted
20,950

 
55.34

 
112,099

 
56.77

Forfeited 

 

 

 

Vested 

 

 
(30,316
)
 
52.32

Unvested at end of period 
293,989

 
$
47.17

 
293,989

 
$
47.17