XML 47 R6.htm IDEA: XBRL DOCUMENT v2.4.0.6
Condensed Consolidated Statements of Comprehensive Income (Parenthetical) (Unaudited) (USD $)
In Thousands, unless otherwise specified
3 Months Ended 6 Months Ended
Jun. 30, 2012
Jun. 30, 2011
Jun. 30, 2012
Jun. 30, 2011
Condensed Consolidated Statements of Comprehensive Income [Abstract]        
Unrealized gain (loss) due to fair value adjustments on interest rate swap agreements, tax $ 399 $ 1,644 $ 24 $ 292
Unrealized gain (loss) due to fair value adjustments on available-for-sale securities, tax $ 669 $ 353 $ 3,219 $ 1,082