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Share Rights Plan	12 Months Ended
Share Rights Plan	Sep. 30, 2011
Common Stock Repurchase/Share Rights Plan [Abstract]
SHARE RIGHTS PLAN	13. SHARE RIGHTS PLAN Under our share rights plan, each right entitles its holder to buy one one-hundredth of a share of a Series A Junior Participating Preferred Stock at an exercise price of $60, subject to adjustment. The rights are not exercisable until a specified distribution date as defined in the Share Rights Agreement. The Rights will expire on June 30, 2018, unless extended or earlier redeemed or exchanged by us as defined in the Share Rights Agreement.