Robert Half International Inc. filed these XBRL interactive data files with the SEC on May 6, 2011

Document Outline

rhi-20110331 – XBRL INSTANCE DOCUMENT
rhi-20110331.xsd – XBRL TAXONOMY EXTENSION SCHEMA
rhi-20110331_cal – XBRL TAXONOMY EXTENSION CALCULATION LINKBASE
rhi-20110331_def – XBRL TAXONOMY EXTENSION DEFINITION LINKBASE
rhi-20110331_lab – XBRL TAXONOMY EXTENSION LABEL LINKBASE
rhi-20110331_pre – XBRL TAXONOMY EXTENSION PRESENTATION LINKBASE

XBRL (Extensible Business Reporting Language) is a standard XML-based framework for tagging business and financial data in an electronic format.