Pension and Other Postretirement Plans (Amortized from AOCI) (Details) (USD $) In Thousands, unless otherwise specified	12 Months Ended
	Nov. 29, 2014
Pension Plan [Member]
Defined Benefit Plans and Other Postretirement Benefit Plans [Line Items]
Prior service credit	$ (3)
Actuarial loss (gain)	3,869
Total	3,866
Other Postretirement Benefit Plans, Defined Benefit [Member]
Defined Benefit Plans and Other Postretirement Benefit Plans [Line Items]
Prior service credit	(123)
Actuarial loss (gain)	(87)
Total	$ (210)