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Retirement Plans (Tables) | 9 Months Ended
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Jun. 30, 2014
Defined Benefit Pension Plans and Defined Benefit Postretirement Plans Disclosure [Abstract] |
Schedule of Net Periodic Benefit Cost | The components of net periodic benefit cost allocated to continuing operations for defined benefit pension plans are as follows.
| Three months ended |  | Nine months ended
| June 30, |  | June 30,
| 2014 |  | 2013 |  | 2014 |  | 2013
| (in millions)
Service cost | $ | 0.4 |  |  | $ | 0.5 |  |  | $ | 1.2 |  |  | $ | 1.5 |
Interest cost | 5.0 |  |  | 1.6 |  |  | 15.0 |  |  | 4.8 |
Expected return on plan assets | (6.0 | ) |  | (2.2 | ) |  | (17.9 | ) |  | (6.5 | )
Amortization of actuarial net loss | 0.9 |  |  | 0.8 |  |  | 2.7 |  |  | 2.3 |
Net periodic benefit cost | $ | 0.3 |  |  | $ | 0.7 |  |  | $ | 1.0 |  |  | $ | 2.1 |

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- Definition Tabular disclosure of the components of net benefit costs for pension plans and/or other employee benefit plans including service cost, interest cost, expected return on plan assets, gain (loss), prior service cost or credit, transition asset or obligation, and gain (loss) recognized due to settlements or curtailments. + References Reference 1: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 715 -SubTopic 20 -Section 50 -Paragraph 1 -Subparagraph (h) -URI http://asc.fasb.org/extlink&oid=28361610&loc=d3e1928-114920 + Details
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