{"cik":"0000833226","entityType":"operating","sic":"3312","sicDescription":"Steel Works, Blast Furnaces & Rolling Mills (Coke Ovens)","ownerOrg":null,"insiderTransactionForOwnerExists":0,"insiderTransactionForIssuerExists":0,"name":"CHAPARRAL STEEL INVESTMENTS, INC.","tickers":[],"exchanges":[],"ein":"751424624","lei":null,"description":"","website":"","investorWebsite":"","category":"","fiscalYearEnd":"0531","stateOfIncorporation":"DE","stateOfIncorporationDescription":"DE","addresses":{"mailing":{"street1":"300 WARD RD","street2":null,"city":"MIDLOTHIAN","stateOrCountry":"TX","zipCode":"76065","stateOrCountryDescription":"TX","isForeignLocation":null,"foreignStateTerritory":null,"country":null,"countryCode":null},"business":{"street1":"300 WARD RD","street2":null,"city":"MIDLOTHIAN","stateOrCountry":"TX","zipCode":"76065","stateOrCountryDescription":"TX","isForeignLocation":null,"foreignStateTerritory":null,"country":null,"countryCode":null}},"phone":"2147758241","flags":"","formerNames":[{"name":"CHAPARRAL STEEL CO","from":"1994-08-25T00:00:00.000Z","to":"2003-11-20T00:00:00.000Z"}],"filings":{"recent":{"accessionNumber":["0000898430-07-002236","0000898430-07-000863","0000898430-06-000770","0001193125-05-208899","0001193125-05-206947","0001193125-05-206937","0001193125-05-184958","0001193125-03-084427","0001193125-03-078612","0001193125-03-066999","0001193125-03-050181","0000950134-03-009619","0000950134-98-000001","0000950129-97-005073","0000950129-97-005072","0000950134-97-007508","0000950134-97-007507","0000950134-97-007495","0000950134-97-007494","0000950134-97-007094","0000950134-97-006914","0000950134-97-006630","0000950134-97-005559","0000950134-97-005457","0000950134-97-004371","0000950134-97-003463","0000950134-97-002780","0000950134-97-000112","0000950134-96-005351","0000950134-96-004545","0000950134-96-004524","0000950134-96-001340","0000950134-96-000055","0000912057-95-008908","0000950134-95-002465","0000950134-95-002110","0000912057-95-006782","0000950134-95-000749","0000950134-95-000023","0000950134-94-001180","0000950134-94-001052","0000912057-94-002794","0000950134-94-000390","0000950134-94-000016"],"filingDate":["2007-02-09","2007-02-02","2006-02-06","2005-10-26","2005-10-24","2005-10-24","2005-09-14","2003-11-20","2003-11-12","2003-10-24","2003-09-16","2003-06-27","1998-01-02","1997-11-28","1997-11-28","1997-10-20","1997-10-20","1997-10-20","1997-10-20","1997-09-29","1997-09-19","1997-09-09","1997-07-30","1997-07-23","1997-06-02","1997-05-06","1997-04-10","1997-01-09","1996-10-11","1996-08-27","1996-08-26","1996-04-12","1996-01-10","1995-10-25","1995-10-13","1995-08-24","1995-08-22","1995-04-14","1995-01-12","1994-10-12","1994-08-25","1994-08-23","1994-04-12","1994-01-12"],"reportDate":["","","","","","","","","","","","","","","","1997-08-31","1997-05-31","","","1997-08-31","","","1997-07-25","1997-05-31","1997-05-22","1997-04-22","1997-02-28","1996-11-30","1996-08-31","1996-05-31","1996-10-16","1996-02-29","1995-11-30","1995-10-18","1995-08-31","1995-05-31","1995-10-18","1995-02-28","1994-11-30","1994-08-31","1994-05-31","1994-08-19","1994-02-28","1993-11-30"],"acceptanceDateTime":["2007-02-09T00:27:32.000Z","2007-02-02T01:17:49.000Z","2006-02-06T21:23:10.000Z","2005-10-26T21:08:28.000Z","2005-10-24T20:45:25.000Z","2005-10-24T20:38:45.000Z","2005-09-14T01:11:25.000Z","2003-11-20T17:15:04.000Z","2003-11-12T21:58:07.000Z","2003-10-24T21:17:39.000Z","2003-09-16T20:23:42.000Z","2003-06-27T21:12:14.000Z","1998-01-02T05:00:00.000Z","1997-11-28T05:00:00.000Z","1997-11-28T05:00:00.000Z","1997-10-20T04:00:00.000Z","1997-10-20T04:00:00.000Z","1997-10-20T04:00:00.000Z","1997-10-20T04:00:00.000Z","1997-09-29T04:00:00.000Z","1997-09-19T04:00:00.000Z","1997-09-09T04:00:00.000Z","1997-07-30T04:00:00.000Z","1997-07-23T04:00:00.000Z","1997-06-02T04:00:00.000Z","1997-05-06T04:00:00.000Z","1997-04-10T04:00:00.000Z","1997-01-09T05:00:00.000Z","1996-10-11T04:00:00.000Z","1996-08-27T04:00:00.000Z","1996-08-26T04:00:00.000Z","1996-04-12T04:00:00.000Z","1996-01-10T05:00:00.000Z","1995-10-25T04:00:00.000Z","1995-10-13T04:00:00.000Z","1995-08-24T04:00:00.000Z","1995-08-22T04:00:00.000Z","1995-04-14T04:00:00.000Z","1995-01-12T05:00:00.000Z","1994-10-12T04:00:00.000Z","1994-08-25T04:00:00.000Z","1994-08-23T04:00:00.000Z","1994-04-12T04:00:00.000Z","1994-01-12T05:00:00.000Z"],"act":["34","34","34","33","","33","33","","","","","","","","","","","","","","","","","","","","","","","","","","","","","","","","","","","","",""],"form":["SC 13G/A","SC 13G/A","SC 13G","424B3","CORRESP","S-4/A","S-4","424B1","S-4/A","S-4/A","S-4/A","S-4","15-12B","DEFM14A","SC 13E3/A","10-Q/A","10-K/A","PRER14A","SC 13E3/A","10-Q","SC 13E3","PREM14A","8-K","10-K","8-K","8-K","10-Q","10-Q","10-Q","10-K","DEF 14A","10-Q","10-Q","8-K","10-Q","10-K","DEF 14A","10-Q","10-Q","10-Q","10-K","DEF 14A","10-Q","10-Q"],"fileNumber":["005-39716","005-39716","005-39716","333-128300-07","","333-128300-07","333-128300-07","333-106610-24","333-106610-24","333-106610-24","333-106610-24","333-106610-24","001-09944","001-09944","005-39716","001-09944","001-09944","001-09944","005-39716","001-09944","005-39716","001-09944","001-09944","001-09944","001-09944","001-09944","001-09944","001-09944","001-09944","001-09944","001-09944","001-09944","001-09944","001-09944","001-09944","001-09944","001-09944","001-09944","001-09944","001-09944","001-09944","001-09944","001-09944","001-09944"],"filmNumber":["07594332","07573531","06581819","051157701","","051152394","051083333","031014930","03994595","03957076","03897846","03762030","98500244","97730300","97730295","97698116","97698115","97697801","97697794","97687869","97683349","97677351","97647701","97644256","97618050","97595939","97577775","97503318","96642405","96621554","96620680","96546365","96502248","95583847","95580484","95566469","95565755","95528886","95501248","94552392","94545934","94545623","94522336","94501117"],"items":["","","","","","","","","","","","","","","","","","","","","","","5,7","","5,7","5,7","","","","","","","","5","","","","","","","","","",""],"core_type":["SC 13G/A","SC 13G/A","SC 13G","424B3","CORRESP","S-4/A","S-4","424B1","S-4/A","S-4/A","S-4/A","S-4","15-12B","DEFM14A","SC 13E3/A","10-Q/A","10-K/A","PRER14A","SC 13E3/A","10-Q","SC 13E3","PREM14A","8-K","10-K","8-K","8-K","10-Q","10-Q","10-Q","10-K","DEF 14A","10-Q","10-Q","8-K","10-Q","10-K","DEF 14A","10-Q","10-Q","10-Q","10-K","DEF 14A","10-Q","10-Q"],"size":[52140,52140,51666,2153139,10820,2733512,3277204,2680047,3083026,2716201,3826007,3133967,3688,308554,91578,11259,18405,287639,40166,41810,175880,267798,7344,136258,8400,7008,38553,42386,39398,114339,47954,38969,42776,4176,41354,119347,48076,41108,41221,40142,127220,50467,36334,38239],"isXBRL":[0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0],"isInlineXBRL":[0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0],"isXBRLNumeric":[null,null,null,null,null,null,null,null,null,null,null,null,null,null,null,null,null,null,null,null,null,null,null,null,null,null,null,null,null,null,null,null,null,null,null,null,null,null,null,null,null,null,null,null],"primaryDocument":["rrd126.htm","rrd126.htm","rrd115.htm","d424b3.htm","filename1.htm","ds4a.htm","ds4.htm","d424b1.htm","ds4a.htm","ds4a.htm","ds4a.htm","d06928sv4.htm","","","","","","","","","","","","","","","","","","","","","","","","","","","","","","","",""],"primaryDocDescription":["SCHEDULE 13G","SCHEDULE 13G","SCHEDULE 13G","EXCHANGE OFFER PROSPECTUS","","AMENDMENT NO. 1 TO FORM S-4","FORM S-4","FORM 424B1","AMENDMENT #3 TO FORM S-4","AMENDMENT NO. 2 TO FORM S-4","AMENDMENT NO. 1 TO FORM S-4","FORM S-4","FORM 15","DEFINITIVE PROXY STATEMENT","AMENDMENT TO SCHEDULE 13E","AMENDMENT TO FORM 10-Q","AMENDMENT TO FORM 10-K","PRELIMINARY REVISED PROXY STATEMENT","AMENDMENT TO SCHEDULE 13E-3","FORM 10-Q FOR QUARTER ENDED AUGUST 31, 1997","SCHEDULE 13E-3 - TRANSACTION STATEMENT","NOTICE OF SPECIAL MEETING REGARDING MERGER","FORM 8-K","FORM 10-K FOR YEAR ENDED MAY 31, 1997","FORM 8-K","FORM 8-K","FORM 10-Q FOR QUARTER ENDING FEBRUARY 28, 1997","FORM 10-Q FOR QUARTER ENDED NOVEMBER 30, 1996","FORM 10-Q","FORM 10-K","DEFINITIVE PROXY STATEMENT","FORM 10-Q FOR QUARTER ENDED FEBRUARY 29, 1996","FORM 10-Q PERIOD END NOVEMBER 30, 1995","8K","FORM 10-Q","FORM 10-K FOR MAY 1, 1995","SCHED. 14A","FORM 10-Q","FORM 10-Q FOR PERIOD ENDED NOVEMBER 30, 1994","FORM 10-Q","FORM 10-K FOR 5/31/94","N&PS","FORM 10-Q","10-Q FOR QUARTER ENDED 11-30-93"]},"files":[]}}