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Fixed Assets (Tables)
12 Months Ended
Dec. 31, 2012
Property, Plant and Equipment [Abstract]  
Summary Of Fixed Assets
As of December 31, 2012 and 2011, Fixed Assets consisted of the following (in thousands of dollars):
    
December 31
 
2012
 
2011
Land
 
$
93,556

 
$
93,300

Buildings and building improvements
 
217,399

 
214,138

Leasehold improvements
 
77,737

 
70,025

Computer hardware and software
 
72,708

 
70,333

Furniture, fixtures and equipment
 
74,371

 
72,401

Construction in progress
 
2,683

 
3,927

Other
 
2,424

 
2,300

Sub-total
 
540,878

 
526,424

Less: Accumulated Depreciation and Amortization
 
(165,847
)
 
(155,703
)
Total Fixed Assets, net
 
$
375,031

 
$
370,721