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CONDENSED CONSOLIDATED STATEMENTS OF COMPREHENSIVE INCOME (LOSS) (Parenthetical) (USD $)
3 Months Ended 6 Months Ended
Jun. 30, 2013
Jun. 30, 2013
CONDENSED CONSOLIDATED STATEMENTS OF COMPREHENSIVE INCOME (LOSS)    
Foreign currency translation adjustment, tax benefit $ 1,300,000 $ 500,000
Defined benefit retirement plan, tax benefit 100,000 200,000
Change in cash flow hedging, tax expense $ 33,000 $ 100,000