|**Accrued Liabilities (Tables)**                           | 12 Months Ended                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                            
|---------------------------------------------------------- | ---------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------
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|**Payables and Accruals [Abstract]**                       |                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                            
|Schedule of accounts payable and accrued liabilities       | Accrued liabilities atNovember 30, 2014and2013were as follows:20142013Accrued salaries, wages and commissions$29,621$14,908Pension and postretirement healthcare benefits liabilities279278Compensated absences9,9678,600Accrued insurance liabilities11,3587,599Warranties9,4051,599Customer deposits23,04516,081Other accrued liabilities36,36129,309$120,036$78,374                                                                                                                                                     
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|                                                           |                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                            
|                                                           | 2014                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                       
|Accrued salaries, wages and commissions                    | $                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                          
|Pension and postretirement healthcare benefits liabilities | 279                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                        
|Compensated absences                                       | 9,967                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                      
|Accrued insurance liabilities                              | 11,358                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                     
|Warranties                                                 | 9,405                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                      
|Customer deposits                                          | 23,045                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                     
|Other accrued liabilities                                  | 36,361                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                     
|                                                           | $                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                          
|Schedule of product warranty liability                     | Changes in the Company’s warranty accrual for the years endedNovember 30, 2014,2013and2012are as follows:201420132012Warranty accrual at beginning of period$1,599$1,533$2,580Accruals for warranties issued during the period2,187844514Adjustments related to business acquisitions10,946—32Adjustments related to pre-existing warranties818(290)(691)Settlements made during the period(5,872)(500)(850)Other adjustments, including currency translation(273)12(52)Warranty accrual at end of period$9,405$1,599$1,533
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|                                                           |                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                            
|                                                           | 2014                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                       
|Warranty accrual at beginning of period                    | $                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                          
|Accruals for warranties issued during the period           | 2,187                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                      
|Adjustments related to business acquisitions               | 10,946                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                     
|Adjustments related to pre-existing warranties             | 818                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                        
|Settlements made during the period                         | (5,872                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                     
|Other adjustments, including currency translation          | (273                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                       
|Warranty accrual at end of period                          | $                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                          

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