Condensed Consolidated Balance Sheets (Parenthetical) (USD $) In Thousands, except Share data, unless otherwise specified	Jun. 29, 2013	Dec. 31, 2012
Trade accounts and notes receivable, allowance for doubtful accounts	$ 1,732	$ 2,314
Property, plant and equipment, accumulated depreciation	276,232	263,302
Intangible assets, Accumulated amortization	$ 122,506	$ 119,198
Preferred stock, par value	$ 0.01	$ 0.01
Preferred stock, shares authorized	5,000,000	5,000,000
Preferred stock, shares issued
Preferred stock, shares outstanding
Common stock, par value	$ 0.01	$ 0.01
Common stock, shares authorized	400,000,000	400,000,000
Common stock, shares issued	139,174,789	138,457,769
Common stock, shares outstanding	139,174,789	138,457,769