CONSOLIDATED STATEMENTS OF SHAREHOLDERS' EQUITY AND COMPREHENSIVE INCOME (Parenthetical) (USD $) In Millions |
12 Months Ended | ||
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Sep. 30, 2011 |
Sep. 30, 2010 |
Sep. 30, 2009 |
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| CONSOLIDATED STATEMENTS OF SHAREHOLDERS' EQUITY AND COMPREHENSIVE INCOME | |||
| Change in items not recognized as a component of net pension and postretirement healthcare costs, taxes | $ 4.3 | $ 0.5 | $ 20.5 |
| Change in unrealized gain on derivative instruments, taxes | 0.1 | 0.4 | 0.6 |
| Change in net unrealized gain on available for sale securities, taxes | $ 0.2 | $ 0.3 | $ 0.6 |
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- Definition Tax effect on the accumulated change in the value of either the projected benefit obligation or plan assets resulting from experience different from that assumed or from a change in an actuarial assumption that has not been recognized in net periodic benefit cost. Reference 1: http://www.xbrl.org/2003/role/presentationRef
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- Definition Total tax effect of the change in accumulated gains and losses from derivative instruments designated and qualifying as the effective portion of cash flow hedges. The change includes an entity's share of an equity investee's increase or decrease in deferred hedging gains or losses. While for technical reasons this element has no balance attribute, the default assumption is a credit balance consistent with its label. Reference 1: http://www.xbrl.org/2003/role/presentationRef
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- Definition Tax effect on gross appreciation or the gross loss in value of the total of unsold securities during the period being reported on. Reference 1: http://www.xbrl.org/2003/role/presentationRef
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- Details
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