XML 35 R37.htm IDEA: XBRL DOCUMENT
v2.4.0.6

Defined Benefit Plans (Tables) | 6 Months Ended
--- | ---
Jun. 30, 2012
Defined Benefit Pension Plans and Defined Benefit Postretirement Plans Disclosure [Abstract] |
Schedule of Costs of Retirement Plans | The components of net periodic pension and postretirement be nefit costs for the three and six months ended June 30, 2012 and 2011 are as follows:
|  | Pension Plans |  | Other Postretirement Benefits
|  | Three months ended June 30, |  | Six months ended June 30, |  | Three months ended June 30, |  | Six months ended June 30,
|  | 2012 |  | 2011 |  | 2012 |  | 2011 |  | 2012 |  | 2011 |  | 2012 |  | 2011
|  | (dollars in thousands)
Service costs |  | $ | 150 |  |  | $ | 160 |  |  | $ | 300 |  |  | $ | 320 |  |  | $ | — |  |  | $ | — |  |  | $ | — |  |  | $ | — |
Interest costs |  | 400 |  |  | 400 |  |  | 800 |  |  | 800 |  |  | 10 |  |  | 10 |  |  | 20 |  |  | 20 |
Expected return on plan assets |  | (420 | ) |  | (410 | ) |  | (850 | ) |  | (810 | ) |  | — |  |  | — |  |  | — |  |  | — |
Amortization of prior service cost |  | 10 |  |  | 10 |  |  | 10 |  |  | 10 |  |  | (60 | ) |  | (60 | ) |  | (130 | ) |  | (130 | )
Amortization of net (gain)/loss |  | 260 |  |  | 170 |  |  | 530 |  |  | 350 |  |  | (20 | ) |  | (20 | ) |  | (40 | ) |  | (40 | )
Net periodic benefit cost |  | $ | 400 |  |  | $ | 330 |  |  | $ | 790 |  |  | $ | 670 |  |  | $ | (70 | ) |  | $ | (70 | ) |  | $ | (150 | ) |  | $ | (150 | )

X
- Details
Name: | us-gaap_DefinedBenefitPensionPlansAndDefinedBenefitPostretirementPlansDisclosureAbstract
Namespace Prefix: | us-gaap_
Data Type: | xbrli:stringItemType
Balance Type: | na
Period Type: | duration

X
- 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
Name: | us-gaap_ScheduleOfCostsOfRetirementPlansTableTextBlock
Namespace Prefix: | us-gaap_
Data Type: | nonnum:textBlockItemType
Balance Type: | na
Period Type: | duration