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Commitments and Contingencies (Details) - USD ($)
$ in Thousands
Apr. 30, 2017
Jan. 31, 2017
Loss Contingencies    
Total payments $ 280,900  
Synthetic Lease    
Loss Contingencies    
Residual Value Guarantee, Aggregate Amount 133,800  
Total payments 3,500  
Financial Guarantee    
Loss Contingencies    
Guarantor Obligations, Maximum Exposure, Undiscounted 3,900 $ 3,700
Brazil    
Loss Contingencies    
Loss Contingency, Estimate of Possible Loss 23,100  
SPAIN    
Loss Contingencies    
Loss Contingency Accrual $ 7,300