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Commitments and Contingencies - Additional Information (Detail) (USD $)
6 Months Ended 12 Months Ended
Nov. 30, 2014
Vehicle
Nov. 30, 2013
May 31, 2014
Loss Contingencies [Line Items]      
Maximum potential repurchase liability $ 65,000,000us-gaap_LossContingencyEstimateOfPossibleLoss   63,000,000us-gaap_LossContingencyEstimateOfPossibleLoss
Other accrued liabilities 100,000us-gaap_RetainedEarningsAppropriated   100,000us-gaap_RetainedEarningsAppropriated
Discontinued Operations [Member]      
Loss Contingencies [Line Items]      
Maximum potential repurchase liability 29,000,000us-gaap_LossContingencyEstimateOfPossibleLoss
/ us-gaap_StatementOperatingActivitiesSegmentAxis
= us-gaap_SegmentDiscontinuedOperationsMember
  33,000,000us-gaap_LossContingencyEstimateOfPossibleLoss
/ us-gaap_StatementOperatingActivitiesSegmentAxis
= us-gaap_SegmentDiscontinuedOperationsMember
Other accrued liabilities 9,000us-gaap_RetainedEarningsAppropriated
/ us-gaap_StatementOperatingActivitiesSegmentAxis
= us-gaap_SegmentDiscontinuedOperationsMember
  9,000us-gaap_RetainedEarningsAppropriated
/ us-gaap_StatementOperatingActivitiesSegmentAxis
= us-gaap_SegmentDiscontinuedOperationsMember
Recreational Vehicles [Member]      
Loss Contingencies [Line Items]      
Recreational vehicles were repurchased 11sky_NumberOfAssetsRepurchased
/ us-gaap_ProductOrServiceAxis
= sky_RecreationalVehiclesMember
   
Recreational vehicles were repurchased for approximately 203,000us-gaap_IncreaseDecreaseInRetailRelatedInventories
/ us-gaap_ProductOrServiceAxis
= sky_RecreationalVehiclesMember
   
Losses from repurchased units 43,000us-gaap_LossContingencyLossInPeriod
/ us-gaap_ProductOrServiceAxis
= sky_RecreationalVehiclesMember
0us-gaap_LossContingencyLossInPeriod
/ us-gaap_ProductOrServiceAxis
= sky_RecreationalVehiclesMember
 
Obligations from repurchased units   $ 0us-gaap_LossContingencyAccrualAtCarryingValue
/ us-gaap_ProductOrServiceAxis
= sky_RecreationalVehiclesMember
 
Minimum [Member]      
Loss Contingencies [Line Items]      
Period to potentially repurchase units 12 months   12 months
Maximum [Member]      
Loss Contingencies [Line Items]      
Period to potentially repurchase units 24 months   24 months