Goodwill And Other Intangible Assets (Annual Goodwill Impairment Test) (Details)	Oct. 31, 2011
Goodwill [Line Items]
Hypothetical reduction to fair value	10.00%
Distribution Business Segment Member
Goodwill [Line Items]
Number of reporting units tested for impairment	18
Goodwill impairment test, discount rate used	10.00%
All Other Operations Business Segment Member
Goodwill [Line Items]
Number of reporting units tested for impairment	6