Financial Information Proxy Statements Filing date View Apr 26, 2019 View HTML 0001539838-19-000050.pdf 0001539838-19-000050.xls Form 10-K Filing date View Feb 25, 2019 View HTML 0001539838-19-000008.pdf 0001539838-19-000008.xls EX-101.INS - XBRL INSTANCE DOCUMENT Feb 15, 2018 View HTML 0001539838-18-000014.pdf 0001539838-18-000014.xls EX-101.INS - XBRL INSTANCE DOCUMENT Feb 15, 2017 View HTML 0001539838-17-000009.pdf 0001539838-17-000009.xls EX-101.INS - XBRL INSTANCE DOCUMENT Form 10-Q Filing date View Nov 6, 2019 View HTML 0001539838-19-000117.pdf 0001539838-19-000117.xls EX-101.SCH - XBRL TAXONOMY EXTENSION SCHEMA DOCUMENT Aug 9, 2019 View HTML 0001539838-19-000095.pdf 0001539838-19-000095.xls EX-101.SCH - XBRL TAXONOMY EXTENSION SCHEMA DOCUMENT