Income Taxes	6 Months Ended
Mar. 31, 2016
Income Tax Disclosure [Abstract]
Income Taxes	INCOME TAXES Our consolidated effective income tax rate for the three and six months ended March 31, 2016 was approximately 10% and 13%, as compared to 9% and 11% for the three and six months ended March 31, 2015. The effective tax rate for the three and six months ended March 31, 2016 was higher than the rate for the three and six months ended March 31, 2015, primarily due to a change in the geographical mix of income compared to prior periods. Our effective tax rate was lower than the U.S. statutory rate of 35% as a result of working in certain lower tax jurisdictions outside the United States. We record estimated accrued interest and penalties related to uncertain tax positions as income tax expense. As of March 31, 2016, we had approximately $16.0 million of reserves for uncertain tax positions, including estimated accrued interest and penalties of $3.9 million, which are included in Other long-term liabilities in the Consolidated Balance Sheet. None of our reserves for uncertain tax positions relate to timing differences. All of the net uncertain tax liabilities would affect the effective tax rate if realized.

Income Taxes

6 Months Ended

Mar. 31, 2016

INCOME TAXES

Our consolidated effective income tax rate for the three and six months ended March 31, 2016 was approximately 10% and 13%, as compared to 9% and 11% for the three and six months ended March 31, 2015. The effective tax rate for the three and six months ended March 31, 2016 was higher than the rate for the three and six months ended March 31, 2015, primarily due to a change in the geographical mix of income compared to prior periods. Our effective tax rate was lower than the U.S. statutory rate of 35% as a result of working in certain lower tax jurisdictions outside the United States. We record estimated accrued interest and penalties related to uncertain tax positions as income tax expense. As of March 31, 2016, we had approximately $16.0 million of reserves for uncertain tax positions, including estimated accrued interest and penalties of $3.9 million, which are included in Other long-term liabilities in the Consolidated Balance Sheet. None of our reserves for uncertain tax positions relate to timing differences. All of the net uncertain tax liabilities would affect the effective tax rate if realized.