Consolidated Balance Sheets (Parenthetical) (USD $)
In Thousands, except Share data, unless otherwise specified
Mar. 29, 2015
Dec. 28, 2014
Statement of Financial Position [Abstract]    
Accounts receivable, allowance (in dollars) $ 7,249 $ 6,801
Plant assets, accumulated depreciation (in dollars) 366,148 349,639
Long-term debt, owed to related parties (in dollars) $ 33,857 $ 47,315
Preferred stock, par value (dollars per share) $ 0.01 $ 0.01
Preferred stock, shares authorized (shares) 50,000,000 50,000,000
Preferred stock, shares issued (shares) 0 0
Preferred stock, shares outstanding (shares) 0 0
Common stock, par value (dollars per share) $ 0.01 $ 0.01
Common Stock, Shares Authorized 500,000,000 200,000,000
Common stock, shares issued (shares) 117,441,662 117,293,745
Common stock, shares outstanding (shares) 117,441,662 117,293,745
Treasury Stock, shares 1,000,000 0