Contingencies	12 Months Ended
Sep. 30, 2015
Commitments and Contingencies Disclosure [Abstract]
CONTINGENCIES	CONTINGENCIES Patent Infringement Lawsuits On May 29, 2012, U.S. Ethernet Innovations, LLC filed a patent infringement lawsuit against us in federal court in the Eastern District of Texas. The lawsuit included allegations against us and one other company pertaining to the infringement of four patents related to Ethernet technology. On April 22, 2013, we announced the settlement of this patent infringement lawsuit for $1.5 million, which was recorded in general and administrative expense on our Consolidated Statements of Operations during the second quarter of fiscal 2013. The settlement was paid during the third quarter of fiscal 2013. The settlement fully resolved the claims by USEI with no future payment obligations. Net of taxes, the settlement was $1.0 million and therefore reduced earnings per diluted share for the second quarter of fiscal 2013 by approximately $0.04. In addition to the matters discussed above, in the normal course of business, we are subject to various claims and litigation, which may include, but are not limited to, patent infringement and intellectual property claims. While we are unable to predict the outcome of any potential claims or litigation due to the inherent unpredictability of these matters, we believe that it is possible that we could, in the future, incur judgments or enter into settlements of claims that could have a material adverse effect on our operations in any particular period.

Contingencies

12 Months Ended

Sep. 30, 2015

Commitments and Contingencies Disclosure [Abstract]

Patent Infringement Lawsuits

On May 29, 2012, U.S. Ethernet Innovations, LLC filed a patent infringement lawsuit against us in federal court in the Eastern District of Texas. The lawsuit included allegations against us and one other company pertaining to the infringement of four patents related to Ethernet technology. On April 22, 2013, we announced the settlement of this patent infringement lawsuit for $1.5 million, which was recorded in general and administrative expense on our Consolidated Statements of Operations during the second quarter of fiscal 2013. The settlement was paid during the third quarter of fiscal 2013. The settlement fully resolved the claims by USEI with no future payment obligations. Net of taxes, the settlement was $1.0 million and therefore reduced earnings per diluted share for the second quarter of fiscal 2013 by approximately $0.04.

In addition to the matters discussed above, in the normal course of business, we are subject to various claims and litigation, which may include, but are not limited to, patent infringement and intellectual property claims. While we are unable to predict the outcome of any potential claims or litigation due to the inherent unpredictability of these matters, we believe that it is possible that we could, in the future, incur judgments or enter into settlements of claims that could have a material adverse effect on our operations in any particular period.