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Fair Value Measurements - Financial Assets and Liabilities Measured and Recorded at Fair Value on a Recurring Basis (Details) - USD ($)
$ in Thousands
Apr. 26, 2020
Jan. 26, 2020
Fair Value, Assets and Liabilities Measured on Recurring Basis [Line Items]    
Convertible debt $ 9,481 $ 10,700
Fair Value, Measurements, Recurring    
Fair Value, Assets and Liabilities Measured on Recurring Basis [Line Items]    
Total financial assets 9,481 10,700
Total financial liabilities 3,793 2,108
Fair Value, Measurements, Recurring | (Level 1)    
Fair Value, Assets and Liabilities Measured on Recurring Basis [Line Items]    
Total financial assets 0 0
Total financial liabilities 0 0
Fair Value, Measurements, Recurring | (Level 2)    
Fair Value, Assets and Liabilities Measured on Recurring Basis [Line Items]    
Total financial assets 0 0
Total financial liabilities 1,835 0
Fair Value, Measurements, Recurring | (Level 3)    
Fair Value, Assets and Liabilities Measured on Recurring Basis [Line Items]    
Total financial assets 9,481 10,700
Total financial liabilities 1,958 2,108
Fair Value, Measurements, Recurring | Convertible debt    
Fair Value, Assets and Liabilities Measured on Recurring Basis [Line Items]    
Convertible debt 9,481 10,700
Fair Value, Measurements, Recurring | Convertible debt | (Level 1)    
Fair Value, Assets and Liabilities Measured on Recurring Basis [Line Items]    
Convertible debt 0 0
Fair Value, Measurements, Recurring | Convertible debt | (Level 2)    
Fair Value, Assets and Liabilities Measured on Recurring Basis [Line Items]    
Convertible debt 0 0
Fair Value, Measurements, Recurring | Convertible debt | (Level 3)    
Fair Value, Assets and Liabilities Measured on Recurring Basis [Line Items]    
Convertible debt 9,481 10,700
Fair Value, Measurements, Recurring | Cycleo    
Fair Value, Assets and Liabilities Measured on Recurring Basis [Line Items]    
Earn-out liability 1,958 2,108
Fair Value, Measurements, Recurring | Cycleo | (Level 1)    
Fair Value, Assets and Liabilities Measured on Recurring Basis [Line Items]    
Earn-out liability 0 0
Fair Value, Measurements, Recurring | Cycleo | (Level 2)    
Fair Value, Assets and Liabilities Measured on Recurring Basis [Line Items]    
Earn-out liability 0 0
Fair Value, Measurements, Recurring | Cycleo | (Level 3)    
Fair Value, Assets and Liabilities Measured on Recurring Basis [Line Items]    
Earn-out liability 1,958 2,108
Foreign Exchange Contract | Fair Value, Measurements, Recurring    
Fair Value, Assets and Liabilities Measured on Recurring Basis [Line Items]    
Derivative liabilities 148 0
Foreign Exchange Contract | Fair Value, Measurements, Recurring | (Level 1)    
Fair Value, Assets and Liabilities Measured on Recurring Basis [Line Items]    
Derivative liabilities 0 0
Foreign Exchange Contract | Fair Value, Measurements, Recurring | (Level 2)    
Fair Value, Assets and Liabilities Measured on Recurring Basis [Line Items]    
Derivative liabilities 148 0
Foreign Exchange Contract | Fair Value, Measurements, Recurring | (Level 3)    
Fair Value, Assets and Liabilities Measured on Recurring Basis [Line Items]    
Derivative liabilities 0 0
Interest Rate Swap | Fair Value, Measurements, Recurring    
Fair Value, Assets and Liabilities Measured on Recurring Basis [Line Items]    
Derivative liabilities 1,687 0
Interest Rate Swap | Fair Value, Measurements, Recurring | (Level 1)    
Fair Value, Assets and Liabilities Measured on Recurring Basis [Line Items]    
Derivative liabilities 0 0
Interest Rate Swap | Fair Value, Measurements, Recurring | (Level 2)    
Fair Value, Assets and Liabilities Measured on Recurring Basis [Line Items]    
Derivative liabilities 1,687 0
Interest Rate Swap | Fair Value, Measurements, Recurring | (Level 3)    
Fair Value, Assets and Liabilities Measured on Recurring Basis [Line Items]    
Derivative liabilities $ 0 $ 0