Annual report pursuant to Section 13 and 15(d)

Consolidated Statements of Comprehensive Income

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Consolidated Statements of Comprehensive Income (USD $)
In Thousands, unless otherwise specified
12 Months Ended
Dec. 31, 2011
Dec. 31, 2010
Dec. 31, 2009
Consolidated Statements of Comprehensive Income [Abstract]      
Net income $ 20,552 $ 23,687 $ 24,024
Change in fair value of interest rate swap agreements (692) 0 0
Comprehensive income $ 19,860 $ 23,687 $ 24,024