Quarterly report pursuant to Section 13 or 15(d)

Condensed Consolidated Statements of Cash Flows (Unaudited) (Parenthetical)

v2.4.0.6
Condensed Consolidated Statements of Cash Flows (Unaudited) (Parenthetical) (USD $)
In Thousands, unless otherwise specified
9 Months Ended
Sep. 30, 2011
Sep. 30, 2010
Condensed Consolidated Statements of Cash Flows [Abstract]    
Net of tax expense on change in fair value of cash flow hedging instruments $ 2,242 $ 830