XML 17 R53.htm IDEA: XBRL DOCUMENT
v2.4.0.8

Derivative Financial Instruments - Effect of Derivative Instruments on Consolidated Statement of Earnings (Detail) (Derivatives not designated as hedging instruments [Member], USD $) In Thousands, unless otherwise specified | 3 Months Ended | 6 Months Ended
--- | --- | ---
Jun. 30, 2013 | Jun. 30, 2012 | Jun. 30, 2013 | Jun. 30, 2012
Derivatives, Fair Value [Line Items] |  |  |  |
Amount of Gain Recognized in Income on Derivative Instruments |  | $ 189 |  | $ 692
Interest rate swaps [Member] | Other Income [Member] |  |  |  |
Derivatives, Fair Value [Line Items] |  |  |  |
Amount of Gain Recognized in Income on Derivative Instruments |  | $ 189 |  | $ 692

X
- Definition Amount of increase in the fair value of derivatives recognized in the income statement. + References Reference 1: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 815 -SubTopic 10 -Section 50 -Paragraph 4A -Subparagraph (b) -URI http://asc.fasb.org/extlink&oid=7476318&loc=SL5618551-113959 Reference 2: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 815 -SubTopic 10 -Section 50 -Paragraph 4C -Subparagraph (a),(c),(d),(e) -URI http://asc.fasb.org/extlink&oid=7476318&loc=SL5624171-113959 + Details
Name: | us-gaap_DerivativeGainOnDerivative
Namespace Prefix: | us-gaap_
Data Type: | xbrli:monetaryItemType
Balance Type: | credit
Period Type: | duration

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