Pension and Other Postretirement Plans (Actual Plan Asset Allocations) (Details) - Pension Plan [Member]	Nov. 28, 2015	Nov. 29, 2014
Defined Benefit Plans and Other Postretirement Benefit Plans [Line Items]
Actual plan asset allocations	100.00%	100.00%
Equity Securities [Member]
Defined Benefit Plans and Other Postretirement Benefit Plans [Line Items]
Actual plan asset allocations	40.30%	39.90%
Debt Securities [Member]
Defined Benefit Plans and Other Postretirement Benefit Plans [Line Items]
Actual plan asset allocations	59.20%	59.50%
Real estate funds [Member]
Defined Benefit Plans and Other Postretirement Benefit Plans [Line Items]
Actual plan asset allocations	0.00%	0.00%
Cash and equivalents [Member]
Defined Benefit Plans and Other Postretirement Benefit Plans [Line Items]
Actual plan asset allocations	0.50%	0.60%