Accumulated Other Comprehensive Income-Components of Accumulated Other Comprehensive Income, Net of Tax (Details) (USD $) | 3 Months Ended | 9 Months Ended | |
In Millions, unless otherwise specified | Aug. 31, 2014 | Aug. 31, 2013 | Aug. 31, 2014 | Aug. 31, 2013 | Nov. 30, 2013 |
Reclassification Adjustment out of Accumulated Other Comprehensive Income on Derivatives [Line Items] | ' | | ' | | ' | | ' | | ' |
Other Comprehensive Income (Loss), Reclassification Adjustment from AOCI on Derivatives, before Tax | ($0.30) | | $0 | | ($0.90) | | ($1.40) | | ' |
Other Comprehensive Income (Loss), Reclassification Adjustment from AOCI on Derivatives, Tax | 0.1 | | 0 | | 0.3 | | 0.4 | | ' |
Other Comprehensive Income (Loss), Reclassification Adjustment from AOCI on Derivatives, Net of Tax | -0.2 | | 0 | | -0.6 | | -1 | | ' |
Other Comprehensive (Income) Loss, Amortization Adjustment from AOCI, Pension and Other Postretirement Benefit Plans, for Net Prior Service Cost (Credit), before Tax | 0.1 | [1] | -0.2 | [1] | 0.3 | [1] | -0.6 | [1] | ' |
Other Comprehensive Income (Loss), Reclassification Adjustment from AOCI, Pension and Other Postretirement Benefit Plans, for Net Gain (Loss), before Tax | 4.2 | [1] | 9 | [1] | 12.4 | [1] | 27.3 | [1] | ' |
Other Comprehensive (Income) Loss, Reclassification Adjustment from AOCI, Pension and Other Postretirement Benefit Plans, before Tax | 4.3 | | 8.8 | | 12.7 | | 26.7 | | ' |
Other Comprehensive (Income) Loss, Reclassification Adjustment from AOCI, Pension and Other Postretirement Benefit Plans, for Net (Gain) Loss, Tax | -1.4 | | -3 | | -4.3 | | -9.1 | | ' |
Other Comprehensive (Income) Loss, Reclassification Adjustment from AOCI, Pension and Other Postretirement Benefit Plans, for Net (Gain) Loss, Net of Tax | 2.9 | | 5.8 | | 8.4 | | 17.6 | | ' |
Foreign currency translation adjustment | 126.8 | | 112.7 | | 126.8 | | 112.7 | | 165.7 |
Unrealized gain (loss) on foreign currency exchange contracts | 0.3 | | 0.4 | | 0.3 | | 0.4 | | -0.3 |
Unamoritzed value of settled interest rate swaps | 2.4 | | 2.4 | | 2.4 | | 2.4 | | 2 |
Pension and other postretirement costs | -159.1 | | -299.1 | | -159.1 | | -299.1 | | -167.7 |
Accumulated other comprehensive income | -29.6 | | -183.6 | | -29.6 | | -183.6 | | -0.3 |
Cash Flow Hedging [Member] | ' | | ' | | ' | | ' | | ' |
Reclassification Adjustment out of Accumulated Other Comprehensive Income on Derivatives [Line Items] | ' | | ' | | ' | | ' | | ' |
Derivative Instruments, Gain (Loss) Reclassified from Accumulated OCI into Income, Effective Portion, Net | -0.3 | | 0 | | -0.9 | | -1.4 | | ' |
Foreign Exchange Contract [Member] | Cash Flow Hedging [Member] | Cost of Sales [Member] | ' | | ' | | ' | | ' | | ' |
Reclassification Adjustment out of Accumulated Other Comprehensive Income on Derivatives [Line Items] | ' | | ' | | ' | | ' | | ' |
Derivative Instruments, Gain (Loss) Reclassified from Accumulated OCI into Income, Effective Portion, Net | -0.3 | | 0.3 | | -0.8 | | -0.4 | | ' |
Interest Rate Contract [Member] | Cash Flow Hedging [Member] | Interest Expense [Member] | ' | | ' | | ' | | ' | | ' |
Reclassification Adjustment out of Accumulated Other Comprehensive Income on Derivatives [Line Items] | ' | | ' | | ' | | ' | | ' |
Derivative Instruments, Gain (Loss) Reclassified from Accumulated OCI into Income, Effective Portion, Net | $0 | | ($0.30) | | ($0.10) | | ($1) | | ' |
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[1] | This accumulated other comprehensive income (loss) component is included in the computation of total pension expense and total other postretirement expense (refer to note 6 for additional details). |