Condensed Consolidated Statement Of Stockholders' Equity (USD $) In Thousands	Common Class A [Member] Par Value [Member]	Common Class B [Member] Par Value [Member]	Additional Paid-In Capital [Member]	Accumulated Deficit [Member]	Accumulated Other Comprehensive (Loss) Income [Member]	Treasury Stock [Member]	Total
BALANCES at Dec. 26, 2010	$ 603	$ 248	$ 2,212,915	$ (1,750,421)	$ (247,061)	$ (532)	$ 215,752
Net income				12,384			12,384
Other comprehensive income (loss), net of tax:
Unamortized loss/prior service credit					(17,574)		(17,574)
Other comprehensive income related to investments in unconsolidated companies					(124)		(124)
Other comprehensive loss							(17,698)
Total comprehensive loss							(5,314)
Issuance of 534,434 Class A shares under stock plans	5		924				929
Stock compensation expense			4,071				4,071
Purchase of 144,125 shares of treasury stock						(609)	(609)
BALANCES at Sep. 25, 2011	$ 608	$ 248	$ 2,217,910	$ (1,738,037)	$ (264,759)	$ (1,141)	$ 214,829