COMMON STOCK AND STOCK PLANS (Details 2) (USD $)	12 Months Ended						12 Months Ended										12 Months Ended		12 Months Ended			12 Months Ended
	Dec. 29, 2013 item	Dec. 30, 2012	Dec. 25, 2011	Dec. 29, 2013 Stock options and SARs	Dec. 30, 2012 Stock options and SARs	Dec. 25, 2011 Stock options and SARs	Dec. 29, 2013 Stock appreciation rights (SARs)	Dec. 29, 2013 RSUs	Dec. 30, 2012 RSUs	Dec. 25, 2011 RSUs	Dec. 29, 2013 RSUs Minimum	Dec. 29, 2013 RSUs Maximum	Dec. 29, 2013 Employee Plans	Dec. 29, 2013 Employee Plans Maximum	Dec. 29, 2013 Employee Plans Class A Common Stock item	Dec. 29, 2013 2001 Director Plan	Dec. 29, 2013 2012 Plan Stock options and SARs Maximum	May 31, 2012 2012 Plan Class A Common Stock	Dec. 29, 2013 2012 Plan Class A Common Stock Non-employee director	Dec. 30, 2012 2012 Plan Class A Common Stock Non-employee director	Dec. 29, 2013 2004 Plan Class A Common Stock	Dec. 29, 2013 Purchase Plan Class A Common Stock	Dec. 30, 2012 Purchase Plan Class A Common Stock
Stock-based compensation plans
Number of stock-based compensation plans	5														2
Shares reserved for issuance to employees																					9,000,000		4,625,000
Purchase price expressed as a percentage of fair market value of common stock																						85.00%
Vesting period							4 years				2 years	3 years	4 years
Outstanding grants (in shares)													0			9,000		5,000,000
Terms of award														10 years			10 years
Granted (in shares)								483,150	1,082,000	740,000									15,000	15,000
Issuance of shares under the plan																			165,000	150,000
RSU's
Nonvested at the beginning of the period (in shares)								1,102,000	1,445,000	845,000
Granted (in shares)								483,150	1,082,000	740,000									15,000	15,000
Vested (in shares)								(320,000)	(765,000)
Forfeited (in shares)								(33,500)	(660,000)	(140,000)
Nonvested at the end of the period (in shares)								1,231,650	1,102,000	1,445,000
Weighted Average Grant Date Fair Value
Outstanding at the beginning of the period (in dollars per share)								$ 2.98	$ 3.73	$ 3.42
Granted (in dollars per share)								$ 2.46	$ 2.59	$ 4.08
Vested (in dollars per share)								$ 4.08	$ 3.42
Forfeited (in dollars per share)								$ 2.48	$ 3.48	$ 3.70
Outstanding at the end of the period (in dollars per share)								$ 2.50	$ 2.98	$ 3.73
Additional disclosures
Total fair value								$ 800,000
Unrecognized compensation costs
Unrecognized compensation costs for non-vested RSUs (in dollars)								1,400,000
Unrecognized compensation costs for non-vested options & SARs (in dollars)				2,000,000
Weighted average period for unrecognized compensation cost expected to be recognized				2 years 3 months 18 days				1 year 9 months 18 days
Options/SARs
Outstanding at the beginning of the period (in shares)	6,194,500	6,723,250	6,632,200
Granted (in shares)	775,000	1,017,500	1,078,500
Exercised (in shares)	(545,750)	(27,250)	(152,750)
Forfeited (in shares)	(58,500)	(1,217,750)	(132,250)
Expired (in shares)	(254,750)	(301,250)	(702,450)
Outstanding at the end of the period (in shares)	6,110,500	6,194,500	6,723,250
Vested and Expected to Vest at the end of the period (in shares)	5,955,143
Options exercisable (in shares)	3,983,875	3,826,250	4,082,500
Weighted Average Exercise Price
Outstanding at the beginning of the period (in dollars per share)	$ 11.45	$ 22.01	$ 26.82
Granted (in dollars per share)	$ 2.46	$ 2.76	$ 4.08	$ 2.46	$ 2.76	$ 4.08
Exercised (in dollars per share)	$ 1.72	$ 1.70	$ 1.73
Forfeited (in dollars per share)	$ 3.30	$ 54.52	$ 3.99
Expired (in dollars per share)	$ 48.97	$ 48.33	$ 47.86
Outstanding at the end of the period (in dollars per share)	$ 9.69	$ 11.45	$ 22.01
Vested and Expected to Vest at the end of the period (in dollars per share)	$ 9.87
Aggregate Intrinsic Value
Outstanding at the beginning of the period (in dollars)	1,846,000	874,000	6,060,000
Exercised (in dollars)	847,000	33,000	382,000
Outstanding at the end of the period (in dollars)	2,384,000	1,846,000	874,000
Vested and Expected to Vest at the end of the period (in dollars)	2,281,000
Options exercisable (in dollars)	$ 1,306,000	$ 1,335,000	$ 397,000