v2.4.0.8
Income Taxes (Summary Of Valuation Allowance) (Details) (USD $)
 12 Months Ended
Sep. 30, 2014
Sep. 30, 2013
Sep. 30, 2012
Movement in Valuation Allowances and Reserves [Roll Forward]      
Valuation allowance beginning of year $ 156,547,000 $ 170,400,000 $ 38,600,000
Net release of valuation allowance (18,100,000) [1] (44,600,000) [1] 0 [1]
Establish valuation allowance in the U.S. on foreign tax credits 0 0 124,500,000
Net increase in deferred tax assets for foreign jurisdictions with a full valuation allowance (5,200,000) 1,900,000 (2,100,000)
Net decrease in deferred tax assets for foreign jurisdictions with a full valuation allowance 21,500,000 12,100,000 0
Establish valuation allowance in foreign jurisdictions 3,500,000 0 600,000
Adjust deferred tax asset and valuation allowance in the U.S. primarily for tax credits 19,300,000 16,700,000 8,800,000
Valuation allowance end of year $ 177,541,000 $ 156,547,000 $ 170,400,000
[1] In 2014 and 2013, this is attributable to recognition of deferred tax liabilities recorded in connection with accounting for acquisitions and in 2013 a reduction in deferred tax assets associated with our U.S. pension plan, both of which are described above.