Restructuring Liabilities Table (Details) (USD $) In Thousands, unless otherwise specified	3 Months Ended
	Feb. 23, 2014		Feb. 24, 2013	Nov. 24, 2013
Restructuring Reserve [Roll Forward]
Restructuring Reserve	$ 0
Restructuring Charges	57,935		0
Payments for Restructuring	0
Restructuring Reserve, Accrual Adjustment	(957)	[1]
Restructuring Reserve	56,978
Restructuring Reserve, Current	56,978			0
Restructuring Reserve, Noncurrent	0			0
Restructuring Reserve	56,978
Employee Severance [Member]
Restructuring Reserve [Roll Forward]
Restructuring Reserve	0
Restructuring Charges	52,278
Payments for Restructuring	0
Restructuring Reserve, Accrual Adjustment	(957)	[1]
Restructuring Reserve	51,321
Restructuring Reserve	51,321
Contract Termination [Member]
Restructuring Reserve [Roll Forward]
Restructuring Reserve	0
Restructuring Charges	0
Payments for Restructuring	0
Restructuring Reserve, Accrual Adjustment	0	[1]
Restructuring Reserve	0
Restructuring Reserve	0
Other Restructuring [Member]
Restructuring Reserve [Roll Forward]
Restructuring Reserve	0	[2]
Restructuring Charges	5,657	[2]
Payments for Restructuring	0	[2]
Restructuring Reserve, Accrual Adjustment	0	[1],[2]
Restructuring Reserve	5,657	[2]
Restructuring Reserve	$ 5,657	[2]

[1] Adjustments primarily relate to pension and postretirement curtailment losses.

[2] Other restructuring costs primarily relate to consulting fees and legal expenses, which are expensed as incurred.