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CONDENSED CONSOLIDATED BALANCE SHEETS (UNAUDITED) (Parenthetical) - USD ($)
shares in Thousands, $ in Thousands
Jul. 01, 2017
Dec. 31, 2016
Statement of Financial Position [Abstract]    
Accounts receivable - allowances $ 57,097 $ 79,707
Property, plant and equipment, accumulated depreciation $ 440,155 $ 414,761
Common stock, shares issued (in shares) 48,511 48,269
Common stock, shares outstanding (in shares) 48,511 48,269