XML 41 R11.htm IDEA: XBRL DOCUMENT
v2.4.1.9

Note 5 - Retirement Plans | 3 Months Ended
--- | ---
Mar. 31, 2015
Compensation and Retirement Disclosure [Abstract] |
Pension and Other Postretirement Benefits Disclosure [Text Block] |
5. | Retirement Plans
The following table provides the components of net periodic benefit cost for our pension plans for the three- month periods ended March 31, 2015 and 2014, respectively (in thousands):
|  | Three Months Ended March 31, |
|  | 2015 |  |  | 2014 |
Service cost |  | $ | 1,711 |  |  | $ | 1,345 |
Interest cost |  |  | 1,254 |  |  |  | 1,070 |
Expected return on plan assets |  |  | (1,404 | ) |  |  | (1,094 | )
Loss amortization |  |  | 840 |  |  |  | 252 |
Net periodic benefit cost |  | $ | 2,401 |  |  | $ | 1,573 |
During the three months ended March 31, 2015, we did not make a contribution to our pension plans. During the remainder of 2015, we expect to contribute between $2.0 million and $5.3 million to our pension plans.

X
- Details
Name: | us-gaap_CompensationAndRetirementDisclosureAbstract
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=49170846&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=58740216&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=49170332&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