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Employee Benefits (Tables) | 9 Months Ended
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Sep. 30, 2012
Compensation and Retirement Disclosure [Abstract] |
Schedule of Common Shares Sold by Union VEBA | The following table presents the number of shares on which stock transfer restrictions were removed during the nine months ended September 30, 2012 and September 30, 2011 and the resulting effect on the Consolidated Balance Sheets:
| Nine Months Ended
| September 30,
| 2012 |  | 2011
Common stock held by Union VEBA which ceased to be subject to transfer restrictions | 2,202,495 |  |  | 1,321,485 |
Increase in Union VEBA assets 1 | $ | 108.6 |  |  | $ | 65.5 |
Reduction in Common stock owned by Union VEBA 2 | $ | (52.9 | ) |  | $ | (31.7 | )
Increase in Additional paid in capital | $ | (14.1 | ) |  | $ | (9.1 | )
Decrease in Deferred tax assets | $ | (41.6 | ) |  | $ | (24.7 | )
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1 | At a weighted-average price of $49.31 per share for the nine months ended September 30, 2012 and a weighted-average price of $49.58 per share realized by the Union VEBA for the nine months ended September 30, 2011.
2 At $24.02 per share reorganization value.
Schedule of (Income) Charges Related to Benefit Plans | The following table presents the components of net periodic pension benefit income for the VEBAs and charges relating to all other employee benefit plans for the quarter and nine months ended September 30, 2012 and September 30, 2011:
| Quarter Ended |  | Nine Months Ended
| September 30, |  | September 30,
| 2012 |  | 2011 |  | 2012 |  | 2011
VEBAs: |  |  |  |  |  |  |
Service cost | $ | 0.9 |  |  | $ | 0.6 |  |  | $ | 2.6 |  |  | $ | 1.7 |
Interest cost | 4.4 |  |  | 4.4 |  |  | 13.4 |  |  | 13.1 |
Expected return on plan assets | (10.0 | ) |  | (7.6 | ) |  | (30.3 | ) |  | (22.8 | )
Amortization of prior service cost | 1.0 |  |  | 1.0 |  |  | 3.1 |  |  | 3.1 |
Amortization of net actuarial loss | 0.8 |  |  | 0.1 |  |  | 2.3 |  |  | 0.4 |
Total net periodic pension benefit income relating to VEBAs | (2.9 | ) |  | (1.5 | ) |  | (8.9 | ) |  | (4.5 | )
Deferred compensation plan | 0.3 |  |  | (0.3 | ) |  | 0.8 |  |  | (0.1 | )
Defined contribution plans | 1.3 |  |  | 1.2 |  |  | 6.3 |  |  | 5.9 |
Multiemployer pension plans | 0.9 |  |  | 0.8 |  |  | 2.6 |  |  | 2.3 |
Total | $ | (0.4 | ) |  | $ | 0.2 |  |  | $ | 0.8 |  |  | $ | 3.6 |
Allocation of (Income) Charges Relating to Benefit Plans by Segment | The following table presents the allocation of the (income) charges detailed above, by segment (see Note 13):
| Quarter Ended |  | Nine Months Ended
| September 30, |  | September 30,
| 2012 |  | 2011 |  | 2012 |  | 2011
Fabricated Products | $ | 2.1 |  |  | $ | 1.7 |  |  | $ | 8.5 |  |  | $ | 7.4 |
All Other | (2.5 | ) |  | (1.5 | ) |  | (7.7 | ) |  | (3.8 | )
Total | $ | (0.4 | ) |  | $ | 0.2 |  |  | $ | 0.8 |  |  | $ | 3.6 |

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- Definition Allocation of costs relating to retirement plans + References No definition available. + Details
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- Definition Schedule of Common Shares Sold by Union VEBA [Table Text Block] + References No definition available. + Details
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- Definition Tabular disclosure of the costs related to the various types of retirement plans including defined benefit pension plan cost, defined contribution plan cost, other postretirement benefit plan cost, and 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 -URI http://asc.fasb.org/extlink&oid=21915506&loc=d3e1928-114920 + Details
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