SEC Filing Keyword Search Group 3,4,5Annual FilingsCurrent ReportsMergers & AcquisitionsOtherProxy FilingsQuarterly FilingsRegistration Statements Filing year - Any -2024202320222021202020192018201720162015201420132012201120102009200820072006200520042003200220012000199919981997199619951994 Filing date Description Form Filing Group View Feb 28, 2020 Annual report which provides a comprehensive overview of the company for the past year 10-K Annual Filings 0000920148-20-000011.pdf 0000920148-20-000011.rtf 0000920148-20-000011.xls EX-101.SCH - XBRL TAXONOMY EXTENSION SCHEMA Feb 25, 2021 Annual report which provides a comprehensive overview of the company for the past year 10-K Annual Filings 0000920148-21-000018.pdf 0000920148-21-000018.rtf 0000920148-21-000018.xls EX-101.SCH - XBRL TAXONOMY EXTENSION SCHEMA Feb 25, 2022 Annual report which provides a comprehensive overview of the company for the past year 10-K Annual Filings 0000920148-22-000015.pdf 0000920148-22-000015.rtf 0000920148-22-000015.xls EX-101.SCH - XBRL TAXONOMY EXTENSION SCHEMA Feb 28, 2023 Annual report which provides a comprehensive overview of the company for the past year 10-K Annual Filings 0000920148-23-000017.pdf 0000920148-23-000017.rtf 0000920148-23-000017.xls EX-101.SCH - XBRL TAXONOMY EXTENSION SCHEMA Feb 26, 2024 Annual report which provides a comprehensive overview of the company for the past year 10-K Annual Filings 0000920148-24-000014.pdf 0000920148-24-000014.rtf 0000920148-24-000014.xls EX-101.SCH - XBRL TAXONOMY EXTENSION SCHEMA Mar 07, 2011 Amendment to a previously filed 10-K 10-K/A Annual Filings 0000920148-11-000024.pdf 0000920148-11-000024.rtf 0000920148-11-000024.xls EX-101.INS - EX-101.INS Aug 02, 2012 Amendment to a previously filed 10-K 10-K/A Annual Filings 0000920148-12-000096.pdf 0000920148-12-000096.rtf 0000920148-12-000096.xls Mar 01, 2016 Amendment to a previously filed 10-K 10-K/A Annual Filings 0000920148-16-000165.pdf 0000920148-16-000165.rtf 0000920148-16-000165.xls EX-101.INS - XBRL INSTANCE DOCUMENT Mar 05, 2020 Amendment to a previously filed 10-K 10-K/A Annual Filings 0000920148-20-000016.pdf 0000920148-20-000016.rtf 0000920148-20-000016.xls EX-101.SCH - XBRL TAXONOMY EXTENSION SCHEMA Mar 03, 1995 Annual report. The Regulation S-K Item 405 box on the cover page is checked 10-K405 Annual Filings 0000920148-95-000005.pdf 0000920148-95-000005.rtf First page « First Previous page ‹ Previous Page 1 Page 2 Current page 3 Page 4 Page 5 Page 6 Page 7 Page 8 Page 9 … Next page Next › Last page Last » Data provided by Kaleidoscope.