XML 49 R41.htm IDEA: XBRL DOCUMENT
v2.4.0.8

Note 9 - Derivative Financial Instruments (Details) - Fair Value of Derivative Instruments in Consolidated Balance Sheets (Designated as Hedging Instrument [Member], USD $) In Thousands, unless otherwise specified | Jun. 30, 2013 | Dec. 31, 2012
--- | --- | ---
Derivatives, Fair Value [Line Items] |  |
Interest rate swap contracts | $ 3,356 | $ 4,679
Accounts Payable and Accrued Liabilities [Member] |  |
Derivatives, Fair Value [Line Items] |  |
Interest rate swap contracts | 1,211 | 1,839
Other Noncurrent Liabilities [Member] |  |
Derivatives, Fair Value [Line Items] |  |
Interest rate swap contracts | $ 2,145 | $ 2,840

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

X
- Definition Fair value as of the balance sheet date of interest rate derivative liabilities, which includes all such derivative instruments in hedging and nonhedging relationships that are recognized as liabilities. + References Reference 1: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 825 -SubTopic 10 -Section 50 -Paragraph 10 -Subparagraph (a) -URI http://asc.fasb.org/extlink&oid=28364263&loc=d3e13433-108611 + Details
Name: | us-gaap_InterestRateDerivativeLiabilitiesAtFairValue
Namespace Prefix: | us-gaap_
Data Type: | xbrli:monetaryItemType
Balance Type: | credit
Period Type: | instant