Extensible Business Reporting Language (XBRL) Data XBRL is an XML-based language for the electronic transmission of business and financial data. XBRL is not an accounting standard; it is simply a standard for transmitting business and financial data. The various XBRL exhibits included on this web page are displayed in their native XML format and have been included to provide you the option of importing them into your XBRL viewer of choice.   FISCAL YEAR 2012   First Quarter 2012 XBRL Q1 Ex. 101.INS XBRL Instance Document 267k XBRL Q1 Ex. 101.SCH XBRL Taxonomy Extension Schema Document 17k XBRL Q1 Ex. 101.CAL XBRL Taxonomy Extension Calculation Linkbase 51k XBRL Q1 Ex. 101.LAB XBRL Taxonomy Extension Label Linkbase 233k XBRL Q1 Ex. 101.PRE XBRL Taxonomy Extension Presentation Linkbase 135k XBRL Q1 Ex. 101.DEF XBRL Taxonomy Extension Definition Linkbase 77k     FISCAL YEAR 2011   Year End 2011 XBRL Q4 Ex. 101.INS XBRL Instance Document 725k XBRL Q4 Ex. 101.SCH XBRL Taxonomy Extension Schema Document 17k XBRL Q4 Ex. 101.CAL XBRL Taxonomy Extension Calculation Linkbase 50k XBRL Q4 Ex. 101.LAB XBRL Taxonomy Extension Label Linkbase 67k XBRL Q4 Ex. 101.PRE XBRL Taxonomy Extension Presentation Linkbase 239k XBRL Q4 Ex. 101.DEF XBRL Taxonomy Extension Definition Linkbase 134k     Third Quarter 2011 XBRL Q Ex. 101.INS XBRL Instance Document 416k XBRL Q3 Ex. 101.SCH XBRL Taxonomy Extension Schema Document 14k XBRL Q3 Ex. 101.CAL XBRL Taxonomy Extension Calculation Linkbase 46k XBRL Q3 Ex. 101.LAB XBRL Taxonomy Extension Label Linkbase 64k XBRL Q3 Ex. 101.PRE XBRL Taxonomy Extension Presentation Linkbase 219k XBRL Q3 Ex. 101.DEF XBRL Taxonomy Extension Definition Linkbase 123k     Second Quarter 2011 XBRL Q2 Ex. 101.INS XBRL Instance Document 222k XBRL Q2 Ex. 101.SCH XBRL Taxonomy Extension Schema Document 12k XBRL Q2 Ex. 101.CAL XBRL Taxonomy Extension Calculation Linkbase 37k XBRL Q2 Ex. 101.LAB XBRL Taxonomy Extension Label Linkbase 19k XBRL Q2 Ex. 101.PRE XBRL Taxonomy Extension Presentation Linkbase 137k XBRL Q2 Ex. 101.DEF XBRL Taxonomy Extension Definition Linkbase 89k                                                                       Home    Capabilities    About CORE    Investor Relations    Contact Us 800 Manor Park Drive       Columbus, OH 43228-0183    614-870-5000