{"cik":315213,"taxonomy":"us-gaap","tag":"LongTermDebt","label":"Long-term Debt","description":"Amount, after unamortized (discount) premium and debt issuance costs, of long-term debt. Includes, but not limited to, notes payable, bonds payable, debentures, mortgage loans and commercial paper. Excludes capital lease obligations.","entityName":"ROBERT HALF INC.","units":{"USD":[{"end":"2011-12-31","val":1656000,"accn":"0001193125-12-067457","fy":2011,"fp":"FY","form":"10-K","filed":"2012-02-17","frame":"CY2011Q4I"},{"end":"2012-12-31","val":1545000,"accn":"0001193125-13-062356","fy":2012,"fp":"FY","form":"10-K","filed":"2013-02-15","frame":"CY2012Q4I"},{"end":"2013-12-31","val":1428000,"accn":"0001193125-14-054441","fy":2013,"fp":"FY","form":"10-K","filed":"2014-02-14","frame":"CY2013Q4I"},{"end":"2014-12-31","val":1299000,"accn":"0001628280-15-000736","fy":2014,"fp":"FY","form":"10-K","filed":"2015-02-13","frame":"CY2014Q4I"},{"end":"2015-12-31","val":1160000,"accn":"0001628280-16-011322","fy":2015,"fp":"FY","form":"10-K","filed":"2016-02-17","frame":"CY2015Q4I"},{"end":"2016-12-31","val":1007000,"accn":"0001628280-17-001192","fy":2016,"fp":"FY","form":"10-K","filed":"2017-02-13","frame":"CY2016Q4I"},{"end":"2017-12-31","val":840000,"accn":"0001628280-18-001911","fy":2017,"fp":"FY","form":"10-K","filed":"2018-02-20","frame":"CY2017Q4I"},{"end":"2018-12-31","val":657000,"accn":"0001628280-19-001488","fy":2018,"fp":"FY","form":"10-K","filed":"2019-02-15","frame":"CY2018Q4I"},{"end":"2019-12-31","val":457000,"accn":"0000315213-20-000029","fy":2019,"fp":"FY","form":"10-K","filed":"2020-02-14","frame":"CY2019Q4I"}]}}