XML 32 R6.htm IDEA: XBRL DOCUMENT v2.4.0.8
Condensed Consolidated Statements of Comprehensive Income (Parenthetical) (USD $)
In Thousands, unless otherwise specified
3 Months Ended
Mar. 31, 2014
Mar. 31, 2013
Statement Of Income And Comprehensive Income [Abstract]    
Changes in fair value of hedge positions, tax $ 2 $ 16