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Property and Equipment, Net (Additional Information) (Details) - Discontinued Operations, Disposed of by Sale - Chicago, Illinois Campus [Member]
$ in Millions
Jul. 31, 2019
USD ($)
Real Estate [Line Items]  
Proceeds from disposal $ 52.0
Proceeds From Down Payment on Seller Loan 5.2
Receivable with Imputed Interest, Face Amount $ 46.8
Receivable with Imputed Interest, Effective Yield (Interest Rate) 4.00%
Other Noncurrent Assets  
Real Estate [Line Items]  
Notes receivable $ 40.3
Other Liabilities  
Real Estate [Line Items]  
Financing payables $ 45.5