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Postretirement Benefits (Tables) | 12 Months Ended
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Dec. 31, 2011
Postretirement Benefits [Abstract] |
Change In Benefit Obligation Benefit Plans |
|  |  | September 30, |  |  |  | September 30, |
(in thousands) |  | 2011 |  |  | 2010 |
Postretirement benefit obligation, beginning of year |  | $ | 2,844 |  |  | $ | 2,949 |
Net periodic benefit cost |  |  | 193 |  |  |  | 174 |
Actuarial (gain) loss |  |  | 609 |  |  |  | (65 | )
Prior service cost |  |  | 291 |  |  |  | — |
Amortization of prior service cost |  |  | (16 | ) |  |  | — |
Benefits paid |  |  | (220 | ) |  |  | (214 | )
Accumulated postretirement benefit obligation, end of year |  | $ | 3,701 |  |  | $ | 2,844 |
Postretirement Benefits Net Periodic Benefit Cost |
|  |  | September 30, |  |  |  | September 30, |  |  |  | September 30, |
(in thousands) |  | 2011 |  |  | 2010 |  |  | 2009 |
Interest cost |  | $ | 177 |  |  | $ | 174 |  |  | $ | 181 |
Amortization of prior service cost |  |  | 16 |  |  |  | — |  |  |  | — |
Total net periodic benefit cost |  | $ | 193 |  |  | $ | 174 |  |  | $ | 181 |
Postretirement Benefits Change In Plan Assets |
|  |  | September 30, |  |  |  | September 30, |
(in thousands) |  | 2011 |  |  | 2010 |
Fair value of plan assets at end of prior year |  | $ | — |  |  | $ | — |
Employer contributions |  |  | 220 |  |  |  | 214 |
Benefits paid |  |  | (220 | ) |  |  | (214 | )
Fair value of plan assets at end of year |  | $ | — |  |  | $ | — |
Postretirement Benefits Accumulated Other Comprehensive Income |
|  |  | September 30, |  |  |  | September 30, |
(in thousands) |  | 2011 |  |  | 2010 |
Accumulated other comprehensive income, beginning of year |  | $ | 201 |  |  | $ | 136 |
Prior service cost arising during period |  |  | (291 | ) |  |  | — |
Amortization of prior service cost |  |  | 16 |  |  |  | — |
Net actuarial gain (loss) arising during period |  |  | (609 | ) |  |  | 65 |
Accumulated other comprehensive income (loss), end of year |  | $ | (683 | ) |  | $ | 201 |
Estimated Benefit Payments |
|  |  | September 30, |
(in thousands) Year Beginning January 1 |  | Estimated Benefit Payment |
2012 |  | $ | 228 |
2013 |  |  | 233 |
2014 |  |  | 239 |
2015 |  |  | 244 |
2016 |  |  | 245 |
2017-2021 |  |  | 1,273 |
Total |  | $ | 2,462 |

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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 -Topic 715 -SubTopic 20 -Publisher FASB -Number -Article -Subparagraph (i) -Name Accounting Standards Codification -Paragraph 1 -Section 50 -URI http://asc.fasb.org/extlink&oid=6962843&loc=d3e1928-114920 + Details
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- Definition Tabular disclosure of the change in the accumulated postemployment benefit obligation from the beginning to the end of the period, showing separately, if applicable, the effects of the following: service cost, interest cost, contributions by plan participants, actuarial gains and losses, foreign currency exchange rate changes, benefits paid, plan amendments, business combinations, divestitures, curtailments, settlements, and special and contractual termination benefits. + References Reference 1: http://www.xbrl.org/2003/role/presentationRef -Topic 715 -SubTopic 20 -Publisher FASB -Number -Article -Subparagraph (a) -Name Accounting Standards Codification -Paragraph 1 -Section 50 -URI http://asc.fasb.org/extlink&oid=6962843&loc=d3e1928-114920 + Details
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- Definition Tabular disclosure of the reconciliation of beginning and ending balances of the fair value of plan assets of pension plans and/or other employee benefit plans showing separately, if applicable, the effects during the period attributable to each of the following: actual return on plan assets, foreign currency exchange rate changes, contributions by the employer, contributions by plan participants, benefits paid, business combinations, divestitures, and settlements. + References Reference 1: http://www.xbrl.org/2003/role/presentationRef -Topic 715 -SubTopic 20 -Publisher FASB -Number -Article -Subparagraph (b) -Name Accounting Standards Codification -Paragraph 1 -Section 50 -URI http://asc.fasb.org/extlink&oid=6962843&loc=d3e1928-114920 + Details
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- Definition Tabular disclosure of benefits expected to be paid by pension plans and/or other employee benefit plans in each of the next five fiscal years and in the aggregate for the five fiscal years thereafter. + References Reference 1: http://www.xbrl.org/2003/role/presentationRef -Topic 715 -SubTopic 20 -Publisher FASB -Number -Article -Subparagraph (f) -Name Accounting Standards Codification -Paragraph 1 -Section 50 -URI http://asc.fasb.org/extlink&oid=6962843&loc=d3e1928-114920 + Details
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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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