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BENEFIT PLANS: (Tables) | 3 Months Ended
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Mar. 31, 2012
SCC Defined Benefit Pension Plans |
Components of net periodic benefit costs |
Schedule of components of net periodic benefit costs |
|  | 2012 |  | 2011 |
Interest cost |  | $ | 0.1 |  | $ | 0.1 |
Expected return on plan assets |  | (0.2 | ) | (0.2 | )
Amortization of net loss (gain) |  | (* | ) | (* | )
Net periodic benefit costs |  | $ | (* | ) | $ | (* | )
(*) amount is lower than $0.1 million
Minera Mexico Pension Plans |
Components of net periodic benefit costs |
Schedule of components of net periodic benefit costs |
|  | 2012 |  | 2011 |
Interest cost |  | $ | 0.2 |  | $ | 0.2 |
Service cost |  | 0.3 |  | 0.3 |
Expected return on plan assets |  | (0.7 | ) | (0.8 | )
Amortization of transition assets, net |  | (* | ) | (* | )
Amortization of net actuarial loss |  | (0.2 | ) | (0.4 | )
Amortization of prior services cost |  | (* | ) | (* | )
Net periodic benefit cost |  | $ | (0.4 | ) | $ | (0.7 | )
(*) amount is lower than $0.1 million
Minera Mexico Post-retirement Health Care Plan |
Components of net periodic benefit costs |
Schedule of components of net periodic benefit costs |
|  | 2012 |  | 2011 |
Interest cost |  | $ | 0.4 |  | $ | 0.9 |
Service cost |  | — |  | (* | )
Amortization of net loss (gain) |  | (0.1 | ) | (* | )
Amortization of transition obligation |  | — |  | 0.4 |
Net periodic benefit cost |  | $ | 0.3 |  | $ | 1.3 |
(*) amount is lower than $0.1 million

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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 -Topic 715 -SubTopic 20 -Publisher FASB -Number -Article -Subparagraph (h) -Name Accounting Standards Codification -Paragraph 1 -Section 50 -URI http://asc.fasb.org/extlink&oid=6962843&loc=d3e1928-114920 + Details
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