XML 51 R11.htm IDEA: XBRL DOCUMENT

Short-term Debt	9 Months Ended
Short-term Debt	Jun. 30, 2012
Debt Disclosure [Abstract]
Short-term Debt	Short-term Debt Our short-term debt obligations are comprised of commercial paper borrowings. Commercial paper borrowings outstanding were $270.0 million at June 30, 2012. At June 30, 2012 the weighted average interest rate and maturity period of the commercial paper outstanding were 0.28 percent and 9 days, respectively. At September 30, 2011, we had no commercial paper borrowings outstanding.

- Definition

The entire disclosure for short-term debt.

+ References+ Details