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Income Taxes Net Operating Loss Carryforwards (Details) $ in Thousands	Nov. 30, 2015 USD ($)
Operating Loss Carryforwards [Line Items]
Loss carryforwards from acquisitions	$ 148,300
FY 2017
Operating Loss Carryforwards [Line Items]
Loss carryforwards from acquisitions	802
FY 2019
Operating Loss Carryforwards [Line Items]
Loss carryforwards from acquisitions	11,898
FY 2020
Operating Loss Carryforwards [Line Items]
Loss carryforwards from acquisitions	8,128
FY 2022
Operating Loss Carryforwards [Line Items]
Loss carryforwards from acquisitions	7,526
FY 2023
Operating Loss Carryforwards [Line Items]
Loss carryforwards from acquisitions	2,346
FY 2027
Operating Loss Carryforwards [Line Items]
Loss carryforwards from acquisitions	20,167
FY 2028
Operating Loss Carryforwards [Line Items]
Loss carryforwards from acquisitions	22,527
FY 2029
Operating Loss Carryforwards [Line Items]
Loss carryforwards from acquisitions	27,684
FY 2030
Operating Loss Carryforwards [Line Items]
Loss carryforwards from acquisitions	28,043
FY 2031
Operating Loss Carryforwards [Line Items]
Loss carryforwards from acquisitions	5,647
FY 2032
Operating Loss Carryforwards [Line Items]
Loss carryforwards from acquisitions	600
FY 2033
Operating Loss Carryforwards [Line Items]
Loss carryforwards from acquisitions	1,345
FY 2034
Operating Loss Carryforwards [Line Items]
Loss carryforwards from acquisitions	0
FY 2035
Operating Loss Carryforwards [Line Items]
Loss carryforwards from acquisitions	$ 11,581