Document Description File Type Size iosp-20200630.xsd XBRL Taxonomy Extension Schema EX-101.SCH 46 KB iosp-20200630_cal.xml XBRL Taxonomy Extension Calculation Linkbase EX-101.CAL 53 KB iosp-20200630_def.xml XBRL Taxonomy Extension Definition Linkbase EX-101.DEF 219 KB iosp-20200630_lab.xml XBRL Taxonomy Extension Label Linkbase EX-101.LAB 425 KB iosp-20200630_pre.xml XBRL Taxonomy Extension Presentation Linkbase EX-101.PRE 352 KB d10029d10q_htm.xml XML 1186 KB