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Other Comprehensive Income (Tables) | 9 Months Ended
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Sep. 30, 2012
Statement of Other Comprehensive Income [Abstract] |
Other Comprehensive Income | The following table presents the tax effect allocated to each component of Other comprehensive income for each period presented:
| Before-Tax |  | Income Tax |  | Net-of-Tax
| Amount |  | Expense |  | Amount
Quarter Ended September 30, 2012 |  |  |  |  |
Defined benefit pension plan and VEBAs: |  |  |  |  |
Reclassification adjustments: |  |  |  |  |
Amortization of net actuarial loss | $ | 0.8 |  |  | $ | (0.3 | ) |  | $ | 0.5 |
Amortization of prior service cost | 1.0 |  |  | (0.4 | ) |  | 0.6 |
Total income recognized in Accumulated other comprehensive income related to defined benefit pension plan and VEBAs | 1.8 |  |  | (0.7 | ) |  | 1.1 |
Unrealized gain on available for sale securities | 0.3 |  |  | — |  |  | 0.3 |
Foreign currency translation adjustment | (0.5 | ) |  | — |  |  | (0.5 | )
Other comprehensive income | $ | 1.6 |  |  | $ | (0.7 | ) |  | $ | 0.9 |
Quarter Ended September 30, 2011 |  |  |  |  |
Defined benefit pension plan and VEBAs: |  |  |  |  |
Reclassification adjustments: |  |  |  |  |
Amortization of net actuarial loss | $ | 0.1 |  |  | $ | (0.1 | ) |  | $ | — |
Amortization of prior service cost | 1.0 |  |  | (0.4 | ) |  | 0.6 |
Total income recognized in Accumulated other comprehensive income related to defined benefit pension plan and VEBAs | 1.1 |  |  | (0.5 | ) |  | 0.6 |
Unrealized loss on available for sale securities | (0.3 | ) |  | — |  |  | (0.3 | )
Foreign currency translation adjustment | 0.8 |  |  | — |  |  | 0.8 |
Other comprehensive income | $ | 1.6 |  |  | $ | (0.5 | ) |  | $ | 1.1 |
Nine Months Ended September 30, 2012 |  |  |  |  |
Defined benefit pension plan and VEBAs: |  |  |  |  |
Reclassification adjustments: |  |  |  |  |
Amortization of net actuarial loss | $ | 2.3 |  |  | $ | (0.9 | ) |  | $ | 1.4 |
Amortization of prior service cost | 3.1 |  |  | (1.2 | ) |  | 1.9 |
Total income recognized in Accumulated other comprehensive income related to defined benefit pension plan and VEBAs | 5.4 |  |  | (2.1 | ) |  | 3.3 |
Unrealized gain on available for sale securities | 0.6 |  |  | — |  |  | 0.6 |
Foreign currency translation adjustment | (0.4 | ) |  | — |  |  | (0.4 | )
Other comprehensive income | $ | 5.6 |  |  | $ | (2.1 | ) |  | $ | 3.5 |
Nine Months Ended September 30, 2011 |  |  |  |  |
Defined benefit pension plan and VEBAs: |  |  |  |  |
Reclassification adjustments: |  |  |  |  |
Amortization of net actuarial loss | $ | 0.4 |  |  | $ | (0.2 | ) |  | $ | 0.2 |
Amortization of prior service cost | 3.1 |  |  | (1.2 | ) |  | 1.9 |
Total income recognized in Accumulated other comprehensive income related to defined benefit pension plans | 3.5 |  |  | (1.4 | ) |  | 2.1 |
Unrealized loss on available for sale securities | (0.3 | ) |  | — |  |  | (0.3 | )
Foreign currency translation adjustment | 0.5 |  |  | — |  |  | 0.5 |
Other comprehensive income | $ | 3.7 |  |  | $ | (1.4 | ) |  | $ | 2.3 |

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- Definition Tabular disclosure of the net gain (loss) and net prior service cost or credit recognized in other comprehensive income (loss) for the period for pension plans and/or other employee benefit plans, and reclassification adjustments of other comprehensive income (loss) for the period, as those amounts, including amortization of the net transition asset or obligation, are recognized as components of net periodic benefit cost. + 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 (i) -URI http://asc.fasb.org/extlink&oid=21915506&loc=d3e1928-114920 + Details
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