Pension and Other Postretirement Plans (Details 2) (USD $) In Thousands, unless otherwise specified	12 Months Ended
	Nov. 30, 2013	Dec. 01, 2012	Dec. 03, 2011	Jan. 01, 2007
Defined Benefit Plan, Change in Fair Value of Plan Assets [Roll Forward]
Fair value of plan assets at beginning of year	$ 146,307
Fair value of plan assets at end of year	156,384	146,307
Defined Benefit Plan, Amounts Recognized in Balance Sheet [Abstract]
Long-term pension and postretirement healthcare benefits liabilities	(19,792)	(50,680)
Pension and Other Postretirement Benefit Plans, Accumulated Other Comprehensive Income (Loss), before Tax [Abstract]
Accumulated other comprehensive loss, after-tax	29,878	50,890	44,656
Defined Benefit Plan, Amounts Recognized in Other Comprehensive Income (Loss) [Abstract]
Other Comprehensive Income (Loss), Pension and Other Postretirement Benefit Plans, Adjustment, Net of Tax	(21,029)	6,234	7,614
Pension Plans, Defined Benefit [Member]
Defined Benefit Plan, Change in Benefit Obligation [Roll Forward]
Benefit obligation at beginning of year	217,987	186,841
Currency translation	190	200
Service cost	2,485	2,126	1,968
Interest cost	6,934	7,715	8,133
Plan participants' contributions	39	42
Actuarial losses (gains)	(22,472)	28,119
Benefits paid	(29,064)	(7,056)
Retiree contributions	0	0
Benefit obligation at end of year	176,099	217,987	186,841
Defined Benefit Plan, Change in Fair Value of Plan Assets [Roll Forward]
Fair value of plan assets at beginning of year	146,307	112,548
Currency translation	174	175
Actual return on plan assets	14,305	18,325
Employer contributions	24,623	22,273
Plan participants' contributions	39	42
Benefits paid	(29,064)	(7,056)
Fair value of plan assets at end of year	156,384	146,307	112,548
Funded status	(19,715)	(71,680)
Accumulated benefit obligation at end of year	170,433	209,572
Defined Benefit Plan, Amounts Recognized in Balance Sheet [Abstract]
Accounts payable and accrued liabilities	(216)	(21,372)
Long-term pension and postretirement healthcare benefits liabilities	(19,499)	(50,308)
Funded status	(19,715)	(71,680)
Accumulated other comprehensive loss, pre-tax	48,902	83,392
Pension and Other Postretirement Benefit Plans, Accumulated Other Comprehensive Income (Loss), before Tax [Abstract]
Net actuarial loss (gain)	48,914	83,413
Net prior service cost (credit)	(12)	(21)
Accumulated other comprehensive loss, pre-tax	48,902	83,392
Deferred taxes	(17,979)	(31,336)
Accumulated other comprehensive loss, after-tax	30,923	52,056
Defined Benefit Plan, Amounts Recognized in Other Comprehensive Income (Loss) [Abstract]
Amortization of unrecognized prior service (cost) credit, net of tax	3	3
Amortization of unrecognized actuarial (losses) gains, net of tax	(5,498)	(5,159)
Current year actuarial losses (gains), net of tax	(16,637)	11,876
Effect of change in deferred tax rate	982	(521)
Other Comprehensive Income (Loss), Pension and Other Postretirement Benefit Plans, Adjustment, Net of Tax	(21,150)	6,199
Defined Benefit Plan, Tax Amounts [Abstract]
Amortization of prior service (cost) credit, tax amount	(6)	(149)
Amortization of actuarial (losses) gains, tax amount	3,164	2,403
Current year actuarial losses (gains), tax amount	(7,143)	(6,825)
Pension Plans, Defined Benefit [Member] | Change in Plan Obligation and Assets [Member]
Defined Benefit Plan, Weighted Average Assumptions Used in Calculating Benefit Obligation [Abstract]
Measurement date	11/30/2013	11/30/2012
Pension Plans, Defined Benefit [Member] | Qualified Pension Plans [Member]
Defined Benefit Plan, Weighted Average Assumptions Used in Calculating Benefit Obligation [Abstract]
Defined Benefit Plan, Assumptions Used Calculating Benefit Obligation, Discount Rate	4.50%	3.50%
Defined Benefit Plan, Assumptions Used Calculating Benefit Obligation, Rate of Compensation Increase	4.00%	4.00%
Pension Plans, Defined Benefit [Member] | U.S. Combined Nonqualified Plans [Member]
Defined Benefit Plan, Weighted Average Assumptions Used in Calculating Benefit Obligation [Abstract]
Defined Benefit Plan, Assumptions Used Calculating Benefit Obligation, Discount Rate	3.25%	1.75%
Defined Benefit Plan, Assumptions Used Calculating Benefit Obligation, Rate of Compensation Increase	4.00%	4.00%
Other Postretirement Benefit Plans, Defined Benefit [Member]
Defined Benefit Plan, Change in Benefit Obligation [Roll Forward]
Benefit obligation at beginning of year	442	550
Currency translation	0	0
Service cost	0	0
Interest cost	9	17	23
Plan participants' contributions	0	0
Actuarial losses (gains)	(73)	(189)
Benefits paid	(251)	(282)
Retiree contributions	229	346
Benefit obligation at end of year	356	442	550
Defined Benefit Plan, Change in Fair Value of Plan Assets [Roll Forward]
Fair value of plan assets at beginning of year	0	0
Currency translation	0	0
Actual return on plan assets	0	0
Employer contributions	251	282
Plan participants' contributions	0	0
Benefits paid	(251)	(282)
Fair value of plan assets at end of year	0	0	0
Funded status	(356)	(442)
Defined Benefit Plan, Amounts Recognized in Balance Sheet [Abstract]
Accounts payable and accrued liabilities	(63)	(70)
Long-term pension and postretirement healthcare benefits liabilities	(293)	(372)
Funded status	(356)	(442)
Accumulated other comprehensive loss, pre-tax	(1,632)	(1,832)
Pension and Other Postretirement Benefit Plans, Accumulated Other Comprehensive Income (Loss), before Tax [Abstract]
Net actuarial loss (gain)	(1,037)	(1,114)
Net prior service cost (credit)	(595)	(718)		1,708
Accumulated other comprehensive loss, pre-tax	(1,632)	(1,832)
Deferred taxes	587	666
Accumulated other comprehensive loss, after-tax	(1,045)	(1,166)
Defined Benefit Plan, Amounts Recognized in Other Comprehensive Income (Loss) [Abstract]
Amortization of unrecognized prior service (cost) credit, net of tax	79	77
Amortization of unrecognized actuarial (losses) gains, net of tax	95	77
Current year actuarial losses (gains), net of tax	(46)	(120)
Effect of change in deferred tax rate	(7)	1
Other Comprehensive Income (Loss), Pension and Other Postretirement Benefit Plans, Adjustment, Net of Tax	121	35
Defined Benefit Plan, Tax Amounts [Abstract]
Amortization of prior service (cost) credit, tax amount	(45)	(45)
Amortization of actuarial (losses) gains, tax amount	(44)	(47)
Current year actuarial losses (gains), tax amount	68	9
Other Postretirement Benefit Plans, Defined Benefit [Member] | Change in Plan Obligation and Assets [Member]
Defined Benefit Plan, Weighted Average Assumptions Used in Calculating Benefit Obligation [Abstract]
Measurement date	11/30/2013	11/30/2012
Other Postretirement Benefit Plans, Defined Benefit [Member] | Qualified Pension Plans [Member]
Defined Benefit Plan, Weighted Average Assumptions Used in Calculating Benefit Obligation [Abstract]
Defined Benefit Plan, Assumptions Used Calculating Benefit Obligation, Discount Rate	3.00%	2.25%
Unfunded Pension Benefit Obligation [Member]
Defined Benefit Plan, Change in Benefit Obligation [Roll Forward]
Benefit obligation at end of year	$ 2,012	$ 23,337