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Derivative Financial Instruments (Details 2) - USD ($) $ in Millions | 12 Months Ended
--- | ---
Sep. 30, 2014 | Sep. 30, 2013 | Sep. 30, 2012
Fair values of outstanding derivative instruments |  |  |
Derivative assets | $ 4.8 | $ 1.7 |
Derivative liabilities | 8.5 | 5.2 |
Interest rate swap agreements | Cash Flow Hedging |  |  |
Effect of derivative instruments on income and other comprehensive income |  |  |
Increase in Losses Recognized in Accumulated Other Comprehensive Loss on Derivatives Before Tax Effect (Effective Portion) | 3.0 |  |
Designated as Hedging Instrument | Foreign Exchange Option | Cash Flow Hedging | Cost of revenue |  |  |
Effect of derivative instruments on income and other comprehensive income |  |  |
Losses Reclassified from Accumulated Other Comprehensive Loss into Income (Effective Portion) | (0.1) |  |
Losses Recognized in Income on Derivatives (Amount Excluded from Effectiveness Testing and Ineffective Portion) |  | (0.1) | $ (0.1)
Designated as Hedging Instrument | Foreign Exchange Option | Prepaid Expenses and Other Current Assets |  |  |
Fair values of outstanding derivative instruments |  |  |
Derivative assets |  | 0.1 |
Designated as Hedging Instrument | Interest rate swap agreements | Cash Flow Hedging |  |  |
Effect of derivative instruments on income and other comprehensive income |  |  |
Increase in Losses Recognized in Accumulated Other Comprehensive Loss on Derivatives Before Tax Effect (Effective Portion) | (2.4) | (0.5) | (8.4)
Losses Recognized in Income on Derivatives (Amount Excluded from Effectiveness Testing and Ineffective Portion) | 0.0 |  |
Designated as Hedging Instrument | Interest rate swap agreements | Cash Flow Hedging | Interest Expense |  |  |
Effect of derivative instruments on income and other comprehensive income |  |  |
Losses Reclassified from Accumulated Other Comprehensive Loss into Income (Effective Portion) | (2.9) | (3.1) | (2.2)
Designated as Hedging Instrument | Interest rate swap agreements | Accrued Expenses and Other Current Liabilities |  |  |
Fair values of outstanding derivative instruments |  |  |
Derivative liabilities | 4.8 | 2.6 |
Designated as Hedging Instrument | Interest rate swap agreements | Other Long Term Liabilities |  |  |
Fair values of outstanding derivative instruments |  |  |
Derivative liabilities |  | 1.1 |
Designated as Hedging Instrument | Interest rate swap agreements | Other Noncurrent Asset |  |  |
Fair values of outstanding derivative instruments |  |  |
Derivative assets | 1.7 |  |
Not Designated as Hedging Instrument |  |  |
Effect of derivative instruments on income and other comprehensive income |  |  |
Non designated derivatives, Gains/(Losses) Recognized in Income on Derivatives (Amount Excluded from Effectiveness Testing and Ineffective Portion) | (0.1) | (5.0) | 4.2
Not Designated as Hedging Instrument | Options Held | Cost of revenue |  |  |
Effect of derivative instruments on income and other comprehensive income |  |  |
Non designated derivatives, Gains/(Losses) Recognized in Income on Derivatives (Amount Excluded from Effectiveness Testing and Ineffective Portion) |  | (0.3) | (0.1)
Not Designated as Hedging Instrument | Foreign currency forward contracts | General and Administrative Expense |  |  |
Effect of derivative instruments on income and other comprehensive income |  |  |
Non designated derivatives, Gains/(Losses) Recognized in Income on Derivatives (Amount Excluded from Effectiveness Testing and Ineffective Portion) | (0.1) | (4.7) | 4.2
Not Designated as Hedging Instrument | Foreign currency forward contracts | Cost of revenue |  |  |
Effect of derivative instruments on income and other comprehensive income |  |  |
Non designated derivatives, Gains/(Losses) Recognized in Income on Derivatives (Amount Excluded from Effectiveness Testing and Ineffective Portion) |  |  | $ 0.1
Not Designated as Hedging Instrument | Foreign currency forward contracts | Prepaid Expenses and Other Current Assets |  |  |
Fair values of outstanding derivative instruments |  |  |
Derivative assets | 3.1 | 1.6 |
Not Designated as Hedging Instrument | Foreign currency forward contracts | Accrued Expenses and Other Current Liabilities |  |  |
Fair values of outstanding derivative instruments |  |  |
Derivative liabilities | $ 3.7 | $ 1.5 |

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- Definition The portion of gains and losses (net) on derivative instruments designated and qualifying as hedging instruments representing (a) the amount of the hedge ineffectiveness and (b) the amount, if any, excluded from the assessment of hedge effectiveness. + References Reference 1: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 815 -SubTopic 10 -Section 50 -Paragraph 4C -Subparagraph (d) -URI http://asc.fasb.org/extlink&oid=35706170&loc=SL5624171-113959 Reference 2: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 815 -SubTopic 25 -Section 50 -Paragraph 1 -Subparagraph (a)(1),(2) -URI http://asc.fasb.org/extlink&oid=6886632&loc=d3e76258-113986 + Details
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