XML 54 R17.htm IDEA: XBRL DOCUMENT
v2.4.0.8

Employee Benefit Plans | 9 Months Ended
--- | ---
Sep. 30, 2014
General Discussion of Pension and Other Postretirement Benefits [Abstract] |
Employee Benefit Plans | EMPLOYEE BENEFIT PLANS Pension expense is a component of employee benefits expense. For the three and nine months ended September 30, 2014 and 2013, the components of pension expense are as follows:
| Three months ended September 30 |  | Nine months ended September 30
(Dollars in thousands) | 2014 |  | 2013 |  | 2014 |  | 2013
Service cost | $ | 3,081 |  |  | $ | 3,765 |  |  | $ | 9,247 |  |  | $ | 12,248 |
Interest cost | 6,402 |  |  | 5,460 |  |  | 19,209 |  |  | 17,764 |
Expected return on assets | (7,296 | ) |  | (6,393 | ) |  | (23,448 | ) |  | (20,798 | )
Amortization of prior service cost | 53 |  |  | 53 |  |  | 158 |  |  | 158 |
Amortization of net actuarial loss | 769 |  |  | 4,245 |  |  | 3,861 |  |  | 12,738 |
Total pension expense | $ | 3,009 |  |  | $ | 7,130 |  |  | $ | 9,027 |  |  | $ | 22,110 |
The assumed discount rate for 2014 is 4.90 percent, the expected long-term rate of return on plan assets is 7.50 percent and the assumed rate of salary increases is 4.00 percent. For 2013, the assumed discount rate was 4.00 percent, expected long-term rate of return was 7.25 percent and the assumed rate of salary increases was 4.00 percent.

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

X
- Definition The entire disclosure for pension and other postretirement benefits. + References Reference 1: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 715 -SubTopic 70 -Section 50 -Paragraph 1 -URI http://asc.fasb.org/extlink&oid=6414718&loc=d3e28014-114942 Reference 2: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 715 -SubTopic 20 -Section 50 -Paragraph 2 -URI http://asc.fasb.org/extlink&oid=35743120&loc=d3e2410-114920 Reference 3: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 715 -SubTopic 80 -Section 50 -Paragraph 11 -URI http://asc.fasb.org/extlink&oid=35742057&loc=SL14450702-114947 Reference 4: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 715 -SubTopic 60 -Section 50 -Paragraph 1 -URI http://asc.fasb.org/extlink&oid=6414199&loc=d3e39622-114963 Reference 5: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 715 -SubTopic 60 -Section 50 -Paragraph 2 -URI http://asc.fasb.org/extlink&oid=6414203&loc=d3e39675-114964 + Details
Name: | us-gaap_PensionAndOtherPostretirementBenefitsDisclosureTextBlock
Namespace Prefix: | us-gaap_
Data Type: | nonnum:textBlockItemType
Balance Type: | na
Period Type: | duration