Quarterly report pursuant to Section 13 or 15(d)

Condensed Consolidated Statements of Comprehensive Income (Unaudited) (Parenthetical)

v2.4.0.8
Condensed Consolidated Statements of Comprehensive Income (Unaudited) (Parenthetical) (USD $)
In Thousands, unless otherwise specified
3 Months Ended
Mar. 31, 2013
Mar. 31, 2012
Statement Of Partners Capital [Abstract]    
Foreign currency translation adjustment, tax $ (305) $ 1,757
Unrealized (loss) gain on derivatives, tax $ (507) $ (641)