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Fair Value Measurements (Details 1) (USD $)
In Thousands, unless otherwise specified |
3 Months Ended | 12 Months Ended | 0 Months Ended | ||||||||||||||||||||||||||||||||||
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
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Mar. 01, 2014
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Nov. 30, 2013
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Mar. 01, 2014
Mutual fund investments - equities [Member]
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Nov. 30, 2013
Mutual fund investments - equities [Member]
|
Mar. 01, 2014
Mutual fund investments - bonds [Member]
|
Nov. 30, 2013
Mutual fund investments - bonds [Member]
|
Mar. 01, 2014
Cash and Cash Equivalents [Member]
|
Nov. 30, 2013
Cash and Cash Equivalents [Member]
|
Mar. 01, 2014
Level 1 [Member]
|
Nov. 30, 2013
Level 1 [Member]
|
Mar. 01, 2014
Level 1 [Member]
Mutual fund investments - equities [Member]
|
Nov. 30, 2013
Level 1 [Member]
Mutual fund investments - equities [Member]
|
Mar. 01, 2014
Level 1 [Member]
Mutual fund investments - bonds [Member]
|
Nov. 30, 2013
Level 1 [Member]
Mutual fund investments - bonds [Member]
|
Mar. 01, 2014
Level 1 [Member]
Cash and Cash Equivalents [Member]
|
Nov. 30, 2013
Level 1 [Member]
Cash and Cash Equivalents [Member]
|
Mar. 01, 2014
Level 2 [Member]
|
Nov. 30, 2013
Level 2 [Member]
|
Mar. 01, 2014
Level 2 [Member]
Mutual fund investments - equities [Member]
|
Nov. 30, 2013
Level 2 [Member]
Mutual fund investments - equities [Member]
|
Mar. 01, 2014
Level 2 [Member]
Mutual fund investments - bonds [Member]
|
Nov. 30, 2013
Level 2 [Member]
Mutual fund investments - bonds [Member]
|
Mar. 01, 2014
Level 2 [Member]
Cash and Cash Equivalents [Member]
|
Nov. 30, 2013
Level 2 [Member]
Cash and Cash Equivalents [Member]
|
Mar. 01, 2014
Level 3 [Member]
|
Nov. 30, 2013
Level 3 [Member]
|
Mar. 01, 2014
Level 3 [Member]
Mutual fund investments - equities [Member]
|
Nov. 30, 2013
Level 3 [Member]
Mutual fund investments - equities [Member]
|
Mar. 01, 2014
Level 3 [Member]
Mutual fund investments - bonds [Member]
|
Nov. 30, 2013
Level 3 [Member]
Mutual fund investments - bonds [Member]
|
Mar. 01, 2014
Level 3 [Member]
Cash and Cash Equivalents [Member]
|
Nov. 30, 2013
Level 3 [Member]
Cash and Cash Equivalents [Member]
|
Dec. 29, 2010
TransWeb [Member]
|
Mar. 01, 2014
Estimate of Fair Value Measurement [Member]
|
Nov. 30, 2013
Estimate of Fair Value Measurement [Member]
|
Mar. 01, 2014
Reported Value Measurement [Member]
|
Nov. 30, 2013
Reported Value Measurement [Member]
|
|
| Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items] | |||||||||||||||||||||||||||||||||||||
| Restricted trust, included in Other noncurrent assets | $ 969 | $ 1,024 | $ 544 | $ 593 | $ 395 | $ 400 | $ 30 | $ 31 | $ 969 | $ 1,024 | $ 544 | $ 593 | $ 395 | $ 400 | $ 30 | $ 31 | $ 0 | $ 0 | $ 0 | $ 0 | $ 0 | $ 0 | $ 0 | $ 0 | $ 0 | $ 0 | $ 0 | $ 0 | $ 0 | $ 0 | $ 0 | $ 0 | |||||
| Contingent earn-out, included in Other long-term liabilities | 1,018 | ||||||||||||||||||||||||||||||||||||
| Discount rate | 13.20% | ||||||||||||||||||||||||||||||||||||
| Change in fair value of TransWeb contingent earn-out | 0 | 0 | |||||||||||||||||||||||||||||||||||
| Long-term debt, fair value | $ 95,943 | $ 166,288 | $ 96,616 | $ 166,636 |