| Severity | Issue | Message | 
         
            | 5.2.5 | INCONSISTENCY | xbrl21e:SummationItemValidationSignal | Calculation inconsistency | 
         
            |  | 
                  
                     | Concept | Document Value | Effective Value | Weight | Calculated Value | Document | Line Number | Context ID | Unit ID |  
                     | Operating Expenses | 1000000 | 1000000 | -1 | 250000 | http://www.xbrlsite.com/US-GAAP-2011/ReferenceImplementation/2011-05-15/abc-20101231.xml | 1760 | D-2010-Seg-A | U-Monetary |  
                     | Operating Income (Loss) | 4000000 | 4000000 |  | -1000000 | http://www.xbrlsite.com/US-GAAP-2011/ReferenceImplementation/2011-05-15/abc-20101231.xml | 1775 | D-2010-Seg-A | U-Monetary |  | 
         
            | 5.2.5 | INCONSISTENCY | xbrl21e:SummationItemValidationSignal | Calculation inconsistency | 
         
            |  | 
                  
                     | Concept | Document Value | Effective Value | Weight | Calculated Value | Document | Line Number | Context ID | Unit ID |  
                     | Operating Expenses | 1000000 | 1000000 | -1 | 250000 | http://www.xbrlsite.com/US-GAAP-2011/ReferenceImplementation/2011-05-15/abc-20101231.xml | 1761 | D-2010-Seg-B | U-Monetary |  
                     | Operating Income (Loss) | 1000000 | 1000000 |  | -1000000 | http://www.xbrlsite.com/US-GAAP-2011/ReferenceImplementation/2011-05-15/abc-20101231.xml | 1776 | D-2010-Seg-B | U-Monetary |  | 
         
            | 5.2.5 | INCONSISTENCY | xbrl21e:SummationItemValidationSignal | Calculation inconsistency | 
         
            |  | 
                  
                     | Concept | Document Value | Effective Value | Weight | Calculated Value | Document | Line Number | Context ID | Unit ID |  
                     | Operating Expenses | 500000 | 500000 | -1 | 250000 | http://www.xbrlsite.com/US-GAAP-2011/ReferenceImplementation/2011-05-15/abc-20101231.xml | 1762 | D-2010-Seg-C | U-Monetary |  
                     | Operating Income (Loss) | 1000000 | 1000000 |  | -500000 | http://www.xbrlsite.com/US-GAAP-2011/ReferenceImplementation/2011-05-15/abc-20101231.xml | 1777 | D-2010-Seg-C | U-Monetary |  | 
         
            | 5.2.5 | INCONSISTENCY | xbrl21e:SummationItemValidationSignal | Calculation inconsistency | 
         
            |  | 
                  
                     | Concept | Document Value | Effective Value | Weight | Calculated Value | Document | Line Number | Context ID | Unit ID |  
                     | Operating Expenses | 500000 | 500000 | -1 | 250000 | http://www.xbrlsite.com/US-GAAP-2011/ReferenceImplementation/2011-05-15/abc-20101231.xml | 1763 | D-2010-Seg-D | U-Monetary |  
                     | Operating Income (Loss) | 1000000 | 1000000 |  | -500000 | http://www.xbrlsite.com/US-GAAP-2011/ReferenceImplementation/2011-05-15/abc-20101231.xml | 1778 | D-2010-Seg-D | U-Monetary |  | 
         
            | 5.2.5 | INCONSISTENCY | xbrl21e:SummationItemValidationSignal | Calculation inconsistency | 
         
            |  | 
                  
                     | Concept | Document Value | Effective Value | Weight | Calculated Value | Document | Line Number | Context ID | Unit ID |  
                     | Operating Expenses | 1000000 | 1000000 | -1 | 250000 | http://www.xbrlsite.com/US-GAAP-2011/ReferenceImplementation/2011-05-15/abc-20101231.xml | 1797 | D-2009-Seg-A | U-Monetary |  
                     | Operating Income (Loss) | 4000000 | 4000000 |  | -1000000 | http://www.xbrlsite.com/US-GAAP-2011/ReferenceImplementation/2011-05-15/abc-20101231.xml | 1812 | D-2009-Seg-A | U-Monetary |  | 
         
            | 5.2.5 | INCONSISTENCY | xbrl21e:SummationItemValidationSignal | Calculation inconsistency | 
         
            |  | 
                  
                     | Concept | Document Value | Effective Value | Weight | Calculated Value | Document | Line Number | Context ID | Unit ID |  
                     | Operating Expenses | 1000000 | 1000000 | -1 | 250000 | http://www.xbrlsite.com/US-GAAP-2011/ReferenceImplementation/2011-05-15/abc-20101231.xml | 1798 | D-2009-Seg-B | U-Monetary |  
                     | Operating Income (Loss) | 1000000 | 1000000 |  | -1000000 | http://www.xbrlsite.com/US-GAAP-2011/ReferenceImplementation/2011-05-15/abc-20101231.xml | 1813 | D-2009-Seg-B | U-Monetary |  | 
         
            | 5.2.5 | INCONSISTENCY | xbrl21e:SummationItemValidationSignal | Calculation inconsistency | 
         
            |  | 
                  
                     | Concept | Document Value | Effective Value | Weight | Calculated Value | Document | Line Number | Context ID | Unit ID |  
                     | Operating Expenses | 500000 | 500000 | -1 | 250000 | http://www.xbrlsite.com/US-GAAP-2011/ReferenceImplementation/2011-05-15/abc-20101231.xml | 1799 | D-2009-Seg-C | U-Monetary |  
                     | Operating Income (Loss) | 1000000 | 1000000 |  | -500000 | http://www.xbrlsite.com/US-GAAP-2011/ReferenceImplementation/2011-05-15/abc-20101231.xml | 1814 | D-2009-Seg-C | U-Monetary |  | 
         
            | 5.2.5 | INCONSISTENCY | xbrl21e:SummationItemValidationSignal | Calculation inconsistency | 
         
            |  | 
                  
                     | Concept | Document Value | Effective Value | Weight | Calculated Value | Document | Line Number | Context ID | Unit ID |  
                     | Operating Expenses | 500000 | 500000 | -1 | 250000 | http://www.xbrlsite.com/US-GAAP-2011/ReferenceImplementation/2011-05-15/abc-20101231.xml | 1800 | D-2009-Seg-D | U-Monetary |  
                     | Operating Income (Loss) | 1000000 | 1000000 |  | -500000 | http://www.xbrlsite.com/US-GAAP-2011/ReferenceImplementation/2011-05-15/abc-20101231.xml | 1815 | D-2009-Seg-D | U-Monetary |  | 
         
            | 5.2.5 | INCONSISTENCY | xbrl21e:SummationItemValidationSignal | Calculation inconsistency | 
         
            |  | 
                  
                     | Concept | Document Value | Effective Value | Weight | Calculated Value | Document | Line Number | Context ID | Unit ID |  
                     | Selling, general and administrative expense | 250000 | 250000 | 1 |  | http://www.xbrlsite.com/US-GAAP-2011/ReferenceImplementation/2011-05-15/abc-20101231.xml | 1765 | D-2010-Seg-A | U-Monetary |  
                     | Operating Expenses | 1000000 | 1000000 |  | 250000 | http://www.xbrlsite.com/US-GAAP-2011/ReferenceImplementation/2011-05-15/abc-20101231.xml | 1760 | D-2010-Seg-A | U-Monetary |  | 
         
            | 5.2.5 | INCONSISTENCY | xbrl21e:SummationItemValidationSignal | Calculation inconsistency | 
         
            |  | 
                  
                     | Concept | Document Value | Effective Value | Weight | Calculated Value | Document | Line Number | Context ID | Unit ID |  
                     | Selling, general and administrative expense | 250000 | 250000 | 1 |  | http://www.xbrlsite.com/US-GAAP-2011/ReferenceImplementation/2011-05-15/abc-20101231.xml | 1766 | D-2010-Seg-B | U-Monetary |  
                     | Operating Expenses | 1000000 | 1000000 |  | 250000 | http://www.xbrlsite.com/US-GAAP-2011/ReferenceImplementation/2011-05-15/abc-20101231.xml | 1761 | D-2010-Seg-B | U-Monetary |  | 
         
            | 5.2.5 | INCONSISTENCY | xbrl21e:SummationItemValidationSignal | Calculation inconsistency | 
         
            |  | 
                  
                     | Concept | Document Value | Effective Value | Weight | Calculated Value | Document | Line Number | Context ID | Unit ID |  
                     | Selling, general and administrative expense | 250000 | 250000 | 1 |  | http://www.xbrlsite.com/US-GAAP-2011/ReferenceImplementation/2011-05-15/abc-20101231.xml | 1767 | D-2010-Seg-C | U-Monetary |  
                     | Operating Expenses | 500000 | 500000 |  | 250000 | http://www.xbrlsite.com/US-GAAP-2011/ReferenceImplementation/2011-05-15/abc-20101231.xml | 1762 | D-2010-Seg-C | U-Monetary |  | 
         
            | 5.2.5 | INCONSISTENCY | xbrl21e:SummationItemValidationSignal | Calculation inconsistency | 
         
            |  | 
                  
                     | Concept | Document Value | Effective Value | Weight | Calculated Value | Document | Line Number | Context ID | Unit ID |  
                     | Selling, general and administrative expense | 250000 | 250000 | 1 |  | http://www.xbrlsite.com/US-GAAP-2011/ReferenceImplementation/2011-05-15/abc-20101231.xml | 1768 | D-2010-Seg-D | U-Monetary |  
                     | Operating Expenses | 500000 | 500000 |  | 250000 | http://www.xbrlsite.com/US-GAAP-2011/ReferenceImplementation/2011-05-15/abc-20101231.xml | 1763 | D-2010-Seg-D | U-Monetary |  | 
         
            | 5.2.5 | INCONSISTENCY | xbrl21e:SummationItemValidationSignal | Calculation inconsistency | 
         
            |  | 
                  
                     | Concept | Document Value | Effective Value | Weight | Calculated Value | Document | Line Number | Context ID | Unit ID |  
                     | Selling, general and administrative expense | 250000 | 250000 | 1 |  | http://www.xbrlsite.com/US-GAAP-2011/ReferenceImplementation/2011-05-15/abc-20101231.xml | 1802 | D-2009-Seg-A | U-Monetary |  
                     | Operating Expenses | 1000000 | 1000000 |  | 250000 | http://www.xbrlsite.com/US-GAAP-2011/ReferenceImplementation/2011-05-15/abc-20101231.xml | 1797 | D-2009-Seg-A | U-Monetary |  | 
         
            | 5.2.5 | INCONSISTENCY | xbrl21e:SummationItemValidationSignal | Calculation inconsistency | 
         
            |  | 
                  
                     | Concept | Document Value | Effective Value | Weight | Calculated Value | Document | Line Number | Context ID | Unit ID |  
                     | Selling, general and administrative expense | 250000 | 250000 | 1 |  | http://www.xbrlsite.com/US-GAAP-2011/ReferenceImplementation/2011-05-15/abc-20101231.xml | 1803 | D-2009-Seg-B | U-Monetary |  
                     | Operating Expenses | 1000000 | 1000000 |  | 250000 | http://www.xbrlsite.com/US-GAAP-2011/ReferenceImplementation/2011-05-15/abc-20101231.xml | 1798 | D-2009-Seg-B | U-Monetary |  | 
         
            | 5.2.5 | INCONSISTENCY | xbrl21e:SummationItemValidationSignal | Calculation inconsistency | 
         
            |  | 
                  
                     | Concept | Document Value | Effective Value | Weight | Calculated Value | Document | Line Number | Context ID | Unit ID |  
                     | Selling, general and administrative expense | 250000 | 250000 | 1 |  | http://www.xbrlsite.com/US-GAAP-2011/ReferenceImplementation/2011-05-15/abc-20101231.xml | 1804 | D-2009-Seg-C | U-Monetary |  
                     | Operating Expenses | 500000 | 500000 |  | 250000 | http://www.xbrlsite.com/US-GAAP-2011/ReferenceImplementation/2011-05-15/abc-20101231.xml | 1799 | D-2009-Seg-C | U-Monetary |  | 
         
            | 5.2.5 | INCONSISTENCY | xbrl21e:SummationItemValidationSignal | Calculation inconsistency | 
         
            |  | 
                  
                     | Concept | Document Value | Effective Value | Weight | Calculated Value | Document | Line Number | Context ID | Unit ID |  
                     | Selling, general and administrative expense | 250000 | 250000 | 1 |  | http://www.xbrlsite.com/US-GAAP-2011/ReferenceImplementation/2011-05-15/abc-20101231.xml | 1805 | D-2009-Seg-D | U-Monetary |  
                     | Operating Expenses | 500000 | 500000 |  | 250000 | http://www.xbrlsite.com/US-GAAP-2011/ReferenceImplementation/2011-05-15/abc-20101231.xml | 1800 | D-2009-Seg-D | U-Monetary |  |