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Condensed Consolidated Balance Sheets (Parenthetical) (USD $)
In Thousands, unless otherwise specified
Jun. 30, 2012
Dec. 31, 2011
Accounts receivable, allowances $ 70,994 $ 79,820
Property, plant and equipment, accumulated depreciation $ 236,203 $ 217,245
Common stock, shares issued 61,310 68,370
Treasury stock, shares   6,215