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Property and Equipment, Net
12 Months Ended
Dec. 31, 2020
Property, Plant and Equipment [Abstract]  
Property and Equipment, Net Property and Equipment, Net
Property and equipment consisted of the following (in thousands):
 December 31,
 20202019
Computer hardware$159,180 $164,547 
Computer software250,585 291,681 
Furniture and equipment91,112 88,136 
Leasehold improvements164,807 150,644 
Property and equipment, cost665,684 695,008 
Accumulated depreciation(555,867)(566,623)
Property and equipment, net$109,817 $128,385