XML 20 R33.htm IDEA: XBRL DOCUMENT
v2.4.1.9

International Retirement Plan (Tables) | 3 Months Ended
--- | ---
Mar. 31, 2015
International Retirement Plan [Abstract] |
Components Of Net Periodic Benefit Costs And Other Amounts Recognized In Other Comprehensive Income |
| Quarter Ended March 31,
(in thousands) | 2015 |  | 2014
Service cost | $ | 47 |  | $ | 45
Interest cost |  | 62 |  |  | 62
Total | $ | 109 |  | $ | 107

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

X
- Definition Tabular disclosure of the changes in plan assets and benefit obligations recognized in other comprehensive income (loss) during the period. + References No definition available. + Details
Name: | us-gaap_ScheduleOfDefinedBenefitPlanAmountsRecognizedInOtherComprehensiveIncomeLossTableTextBlock
Namespace Prefix: | us-gaap_
Data Type: | nonnum:textBlockItemType
Balance Type: | na
Period Type: | duration