Financials & Filings Show all 2019 First Quarter Q1 19 Earnings Release 388 KB Q1 19 Earnings Presentation 1.7 MB Annual Reports Documents Add Files 2018 Form 10-K/A 749.8 KB Add Files 2018 Form 10-K 5.7 MB Form 10-K Filing date View Apr 26, 2019 View HTML 0001193125-19-122027.pdf 0001193125-19-122027.rtf 0001193125-19-122027.xls 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 Proxy Statements Filing date View Jun 27, 2019 0001193125-19-183356.pdf 0001193125-19-183356.rtf 0001193125-19-183356.xls View HTML Jun 27, 2019 0001193125-19-183355.pdf 0001193125-19-183355.rtf 0001193125-19-183355.xls View HTML Form 10-Q Filing date View May 2, 2019 0000858339-19-000121.pdf 0000858339-19-000121.rtf 0000858339-19-000121.xls EX-101.SCH - XBRL TAXONOMY EXTENSION SCHEMA DOCUMENT View HTML 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
