Quarterly report pursuant to Section 13 or 15(d)

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

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Condensed Consolidated Statements of Cash Flows (Unaudited) (Parenthetical) (USD $)
In Thousands, unless otherwise specified
6 Months Ended
Jun. 30, 2011
Jun. 30, 2010
SUPPLEMENTAL SCHEDULE OF NON-CASH FINANCING ACTIVITIES:    
Net of tax (expense) benefit on change in fair value of cash flow hedging instruments $ 632 $ 7