Statement of Stockholders' Equity (Deficit) (USD $) Share data in Thousands, unless otherwise specified	3 Months Ended		12 Months Ended							12 Months Ended				12 Months Ended				12 Months Ended				12 Months Ended				12 Months Ended				12 Months Ended
	Sep. 30, 2012	Sep. 25, 2011	Sep. 30, 2012	Sep. 25, 2011	Sep. 26, 2010	Sep. 30, 2012 Common Stock [Member]	Sep. 25, 2011 Common Stock [Member]	Sep. 26, 2010 Common Stock [Member]	Sep. 27, 2009 Common Stock [Member]	Sep. 30, 2012 Common Class B [Member]	Sep. 25, 2011 Common Class B [Member]	Sep. 26, 2010 Common Class B [Member]	Sep. 27, 2009 Common Class B [Member]	Sep. 30, 2012 Common Stock [Member]	Sep. 25, 2011 Common Stock [Member]	Sep. 26, 2010 Common Stock [Member]	Sep. 30, 2012 Common Stock [Member]	Sep. 30, 2012 Common Class B [Member]	Sep. 25, 2011 Common Class B [Member]	Sep. 26, 2010 Common Class B [Member]	Sep. 30, 2012 Common Class B [Member]	Sep. 30, 2012 Additional Paid-in Capital [Member]	Sep. 25, 2011 Additional Paid-in Capital [Member]	Sep. 26, 2010 Additional Paid-in Capital [Member]	Sep. 30, 2012 Additional Paid-in Capital [Member]	Sep. 30, 2012 Retained Earnings [Member]	Sep. 25, 2011 Retained Earnings [Member]	Sep. 26, 2010 Retained Earnings [Member]	Sep. 30, 2012 Retained Earnings [Member]	Sep. 30, 2012 Accumulated Other Comprehensive Income (Loss) [Member]	Sep. 25, 2011 Accumulated Other Comprehensive Income (Loss) [Member]	Sep. 26, 2010 Accumulated Other Comprehensive Income (Loss) [Member]	Sep. 30, 2012 Accumulated Other Comprehensive Income (Loss) [Member]
Beginning balance			$ (101,346,000)	$ 56,823,000										$ 89,915,000	$ 78,554,000	$ 78,278,000	$ 523,000	$ 0	$ 11,352,000	$ 11,552,000	$ 0	$ 140,887,000	$ 139,460,000	$ 137,713,000	$ 241,039,000	$ (326,062,000)	$ (179,194,000)	$ (225,299,000)	$ (342,760,000)	$ (6,086,000)	$ 6,651,000	$ 21,354,000	$ (13,435,000)
Common Stock, Shares, Outstanding	52,291	44,958	52,291	44,958	44,953	52,291	44,958	39,277	39,139	0	0	5,676	5,776
Par Value Change- Common Stock Shares						0	0	0
Stock Issued During Period, Value, Conversion of Convertible Securities														0	11,352,000	200,000
Conversion of Stock, Amount Converted																		0	(11,352,000)	(200,000)
Conversion of Stock, Shares Converted										0	(5,676)	(100)
Other Comprehensive Income (Loss), Unrealized Gain (Loss) on Derivatives Arising During Period, before Tax																														0	0	2,334,000
Other Comprehensive Income (Loss), Pension and Other Postretirement Benefit Plans, Adjustment, before Tax																														(12,455,000)	(21,518,000)	(26,179,000)
Other Comprehensive Income (Loss), Tax																														5,106,000	8,781,000	9,142,000
Net Income (Loss), Including Portion Attributable to Noncontrolling Interest	(3,027,000)	(8,733,000)	(16,299,000)	(146,681,000)	46,178,000																					(16,299,000)		46,178,000
Net Income (Loss) Attributable to Noncontrolling Interest			399,000	187,000	73,000																					(399,000)	(187,000)	(73,000)
Change In Par Value														(89,466,000)	0	0						89,466,000	0	0
Share-based Compensation																						1,080,000	1,502,000	1,911,000
Conversion of Stock, Shares Issued						0	5,676	100
Stock Issued During Period, Value, New Issues														74,000	209,000	190,000						9,606,000	(75,000)	(164,000)
Stock Issued During Period, Shares, New Issues						7,333	105	95
Stock Repurchased and Retired During Period, Value														$ 0	$ (200,000)
Stock Repurchased and Retired During Period, Shares						0	(100)	(57)