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Segment Information, Textuals (Details) (USD $) In Millions, unless otherwise specified | 3 Months Ended | 9 Months Ended
--- | --- | ---
Sep. 30, 2014 | Sep. 30, 2013 | Sep. 30, 2014 | Sep. 30, 2013
Segment Reporting Information [Line Items] |  |  |  |
Unrealized gains (losses) on derivatives |  |  | $ 3.6 | $ (2.3)
VEBA net periodic pension benefit income | 6.0 | 5.6 | 17.7 | 16.9
Fabricated Products |  |  |  |
Segment Reporting Information [Line Items] |  |  |  |
Unrealized gains (losses) on derivatives | (3.5) | 1.5 | 0 | (3.4)
United States |  |  |  |
Segment Reporting Information [Line Items] |  |  |  |
Number of production facilities |  |  | 11 |
Canada |  |  |  |
Segment Reporting Information [Line Items] |  |  |  |
Number of production facilities |  |  | 1 |
VEBAs |  |  |  |
Segment Reporting Information [Line Items] |  |  |  |
VEBA net periodic pension benefit income | $ 6.0 | $ 5.6 | $ 17.7 | $ 16.9

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- Definition Number of Production Facilities. + References No definition available. + Details
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- Definition The total amount of net periodic benefit cost for defined benefit plans for the period. Periodic benefit costs include the following components: service cost, interest cost, expected return on plan assets, gain (loss), prior service cost or credit, transition asset or obligation, and gain (loss) 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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- Definition The net change in the difference between the fair value and the carrying value, or in the comparative fair values, of derivative instruments, including options, swaps, futures, and forward contracts, held at each balance sheet date, that was included in earnings for the period. + References Reference 1: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 230 -SubTopic 10 -Section 45 -Paragraph 28 -Subparagraph (b) -URI http://asc.fasb.org/extlink&oid=31042434&loc=d3e3602-108585 + Details
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