| **Accrued Liabilities**              | 9 Months Ended                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                       |
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| **Payables and Accruals [Abstract]** |                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                 |
| Accrued Liabilities                  | ACCRUED LIABILITIESAccrued liabilities at August 27, 2016 and November 28, 2015 were as follows: August 27, 2016 November 28, 2015Accrued salaries, wages and commissions$16,507 $16,498Compensated absences9,089 8,672Accrued insurance liabilities8,030 9,928Warranties6,088 7,870Customer deposits18,167 25,036Other accrued liabilities26,651 38,406Accrued liabilities$84,532 $106,410 The Company had letters of credit totaling $17,549 and $24,581 as of August 27, 2016 and November 28, 2015, respectively, issued to various government agencies, primarily related to industrial revenue bonds, and to insurance companies and other commercial entities in support of its obligations. The Company believes that no payments will be required resulting from these obligations.In the ordinary course of business, the Company also provides routine indemnifications and other guarantees whose terms range in duration and are often not explicitly defined. The Company does not believe these will have a material impact on the results of operations or financial condition of the Company.WarrantiesWarranties are recorded as a liability on the balance sheet and as charges to current expense for estimated normal warranty costs and, if applicable, for specific performance issues known to exist on products already sold. The expenses estimated to be incurred are provided at the time of sale, or when a claim arises, and adjusted as needed, based primarily upon experience.  Changes in the Company’s warranty accrual are as follows: Nine Months Ended August 27, 2016 August 29, 2015Warranty accrual at beginning of period$7,870 $9,405Warranty accrual added through business acquisitions— 100Accruals for warranties issued during the period1,339 1,570Adjustments related to pre-existing warranties(1,440) (1,499)Settlements made during the period(1,450) (1,378)Other adjustments, including currency translation(231) (450)Warranty accrual at end of period$6,088 $7,748 |

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| - Definition
The entire disclosure for accounts payable and accrued liabilities at the end of the reporting period.
+ References
Reference 1: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 210 -SubTopic 10 -Section S99 -Paragraph 1 -Subparagraph (SX 210.5-02.19(a),20,24) -URI http://asc.fasb.org/extlink&oid=6877327&loc=d3e13212-122682
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| - References
No definition available.
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