Consolidated Balance Sheets Parenthetical (unaudited) (USD $) In Thousands, except Share data	Sep. 25, 2011	Dec. 26, 2010
Current assets:
Allowance for doubtful accounts	$ 1,002	$ 1,837
Accumulated amortization and depreciation of property, plant, and equipment	$ 587,582	$ 612,847
Shareholder's deficit:
Common stock, par value	$ 0.01	$ 0.01
Common stock, shares authorized	1,000	1,000
Common stock, shares outstanding	100	100