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Commitments And Contingencies (Narrative) (Details) - USD ($)
$ in Thousands
12 Months Ended
Jan. 31, 2019
Jan. 31, 2018
Jan. 31, 2017
Loss Contingencies      
Value added tax assessments $ 0 $ 1,652 $ 1,049
Europe | Spain      
Loss Contingencies      
Value added tax payable   10,700  
Europe | Spain | Value added tax assessment      
Loss Contingencies      
Loss Contingency Accrual, Period Decrease (Increase)   (1,200) (1,500)
Europe | Spain | Interest Expense      
Loss Contingencies      
Loss Contingency Accrual, Period Decrease (Increase) 900 (900) (1,100)
Europe | Spain | Accrued expenses and other liabilities      
Loss Contingencies      
Loss Contingency Accrual, Period Decrease (Increase)   (2,100) (2,600)
Americas | Brazil | Accrued expenses and other liabilities      
Loss Contingencies      
CIDE tax 20,400    
Operating Leases      
Loss Contingencies      
Rental expense for operating leases $ 87,200 $ 83,600 $ 53,000