Financials & Filings Show all 2018 Fourth Quarter Q4 18 Earnings Release 4Q 18 Earnings Presentation 1.7 MB Form 10-K Annual Reports Documents Add Files 2017 Form 10-K 9.8 MB Add Files 2016 Form 10-K 1.7 MB Form 10-K Filing date View Feb 22, 2019 View HTML 0000858339-19-000015.pdf 0000858339-19-000015.rtf 0000858339-19-000015.xls EX-101.SCH - XBRL TAXONOMY EXTENSION SCHEMA DOCUMENT Mar 8, 2018 View HTML 0000858339-18-000052.pdf 0000858339-18-000052.rtf 0000858339-18-000052.xls EX-101.INS - XBRL INSTANCE DOCUMENT Proxy Statements Filing date View Mar 1, 2019 0001193125-19-061233.pdf 0001193125-19-061233.rtf 0001193125-19-061233.xls View HTML Feb 21, 2019 0001193125-19-047160.pdf 0001193125-19-047160.rtf 0001193125-19-047160.xls View HTML Form 10-Q Filing date View Nov 2, 2018 0000858339-18-000278.pdf 0000858339-18-000278.rtf 0000858339-18-000278.xls EX-101.SCH - XBRL TAXONOMY EXTENSION SCHEMA DOCUMENT View HTML Aug 1, 2018 0000858339-18-000214.pdf 0000858339-18-000214.rtf 0000858339-18-000214.xls EX-101.INS - XBRL INSTANCE DOCUMENT View HTML
