Financials & Filings Proxy Statements Filing date View Jul 11, 2018 View HTML 0000827809-18-000025.pdf 0000827809-18-000025.xls Form 10-K Filing date View Mar 15, 2019 View HTML 0000827809-19-000005.pdf 0000827809-19-000005.xls EX-101.SCH - XBRL TAXONOMY EXTENSION SCHEMA DOCUMENT Mar 16, 2018 View HTML 0000827809-18-000006.pdf 0000827809-18-000006.xls EX-101.INS - XBRL INSTANCE DOCUMENT Form 10-Q Filing date View May 07, 2019 View HTML 0000827809-19-000012.pdf 0000827809-19-000012.xls EX-101.SCH - XBRL TAXONOMY EXTENSION SCHEMA DOCUMENT Nov 13, 2018 View HTML 0000827809-18-000040.pdf 0000827809-18-000040.xls EX-101.SCH - XBRL TAXONOMY EXTENSION SCHEMA DOCUMENT
