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Commitments and Contingencies (Details) - USD ($)
$ in Millions
Apr. 30, 2016
Jan. 31, 2016
Spain | Value added tax assessment    
Loss Contingencies    
Loss Contingency Accrual $ 4.9 $ 4.6
Brazil    
Loss Contingencies    
Loss Contingency, Estimate of Possible Loss 20.3 17.3
Synthetic Lease    
Loss Contingencies    
Residual Value Guarantee, Aggregate Amount 133.8  
Operating Leases, Future Minimum Payments Due 2.9  
Financial Guarantee    
Loss Contingencies    
Guarantor Obligations, Maximum Exposure, Undiscounted $ 4.0 $ 4.6