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Shareholders Equity - Components of Shareholders Equity (Detail) (USD $) In Millions, except Share data in Thousands, unless otherwise specified | 3 Months Ended | 6 Months Ended
--- | --- | ---
Apr. 30, 2013 | Apr. 30, 2012 | Apr. 30, 2013 | Apr. 30, 2012
Class of Stock [Line Items] |  |  |  |
Beginning balance, value |  |  | $ 1,320.4 |
Net income | 43.0 | 39.2 | 69.2 | 62.0
Other comprehensive income (loss): |  |  |  |
foreign currency translation |  |  | (4.4) |
Reclassification of cash flow hedges to earnings, net of income tax benefit of $0.2 million | 0.3 | 0.9 | 0.2 | 0.6
Unrealized loss on cash flow hedges, net of income tax expense of $0.2 million |  |  | (0.1) |
minimum pension liability adjustment, net of income tax expense of $0.3 million | 1.2 | (0.6) | 0.8 | 3.8
Comprehensive income | 23.8 | 38.7 | 65.7 | 58.3
Noncontrolling interests and other |  |  | (3.8) |
Dividends paid | (24.6) | (24.5) | (49.0) | (48.8)
Stock options exercised, value |  |  | 1.0 |
Restricted stock executives and directors, value |  |  | 1.1 |
Long-term incentive shares issued, value |  |  | 2.2 |
Ending balance, value | 1,337.6 |  | 1,337.6 |
Capital Stock [Member] |  |  |  |
Class of Stock [Line Items] |  |  |  |
Beginning balance, value |  |  | 123.8 |
Beginning balance, shares |  |  | 47,403 |
Other comprehensive income (loss): |  |  |  |
Stock options exercised, value |  |  | 0.9 |
Stock options exercised, shares |  |  | 66 |
Restricted stock executives and directors, value |  |  | 1.0 |
Restricted stock executives and directors, shares |  |  | 21 |
Long-term incentive shares issued, value |  |  | 2.1 |
Long-term incentive shares issued, shares |  |  | 54 |
Ending balance, value | 127.8 |  | 127.8 |
Ending balance, shares | 47,544 |  | 47,544 |
Treasury Stock [Member] |  |  |  |
Class of Stock [Line Items] |  |  |  |
Beginning balance, value |  |  | (131.4) |
Beginning balance, shares |  |  | 29,439 |
Other comprehensive income (loss): |  |  |  |
Stock options exercised, value |  |  | 0.1 |
Stock options exercised, shares |  |  | (66) |
Restricted stock executives and directors, value |  |  | 0.1 |
Restricted stock executives and directors, shares |  |  | (21) |
Long-term incentive shares issued, value |  |  | 0.1 |
Long-term incentive shares issued, shares |  |  | (54) |
Ending balance, value | (131.1) |  | (131.1) |
Ending balance, shares | 29,298 |  | 29,298 |
Retained Earnings [Member] |  |  |  |
Class of Stock [Line Items] |  |  |  |
Beginning balance, value |  |  | 1,404.4 |
Net income |  |  | 65.8 |
Other comprehensive income (loss): |  |  |  |
Dividends paid |  |  | (49.0) |
Ending balance, value | 1,421.2 |  | 1,421.2 |
Noncontrolling Interests [Member] |  |  |  |
Class of Stock [Line Items] |  |  |  |
Beginning balance, value |  |  | 119.6 |
Net income |  |  | 3.4 |
Other comprehensive income (loss): |  |  |  |
foreign currency translation |  |  | 2.9 |
Noncontrolling interests and other |  |  | (3.8) |
Ending balance, value | 122.1 |  | 122.1 |
Accumulated Other Comprehensive Income (Loss) [Member] |  |  |  |
Class of Stock [Line Items] |  |  |  |
Beginning balance, value |  |  | (196.0) |
Other comprehensive income (loss): |  |  |  |
foreign currency translation |  |  | (7.3) |
Reclassification of cash flow hedges to earnings, net of income tax benefit of $0.2 million |  |  | 0.2 |
Unrealized loss on cash flow hedges, net of income tax expense of $0.2 million |  |  | (0.1) |
minimum pension liability adjustment, net of income tax expense of $0.3 million |  |  | 0.8 |
Ending balance, value | $ (202.4) |  | $ (202.4) |

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