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Fair Value - Additional Information (Detail)
$ in Millions
9 Months Ended
Nov. 02, 2019
USD ($)
yr
Fair Value Inputs Assets Liabilities Quantitative Information [Line Items]  
Fair value assumptions | yr 7
Measurement Input, Discount Rate [Member] | Minimum [Member]  
Fair Value Inputs Assets Liabilities Quantitative Information [Line Items]  
Fair value assumptions 0.0268
Measurement Input, Discount Rate [Member] | Maximum [Member]  
Fair Value Inputs Assets Liabilities Quantitative Information [Line Items]  
Fair value assumptions 0.049
Contingent Earn Out Liability [Member]  
Fair Value Inputs Assets Liabilities Quantitative Information [Line Items]  
Estimated earnout targets $ 0.5
Estimated earnout targets $ 1.4
Contingent Earn Out Liability [Member] | Minimum [Member]  
Fair Value Inputs Assets Liabilities Quantitative Information [Line Items]  
Probability of success 0.00%
Contingent Earn Out Liability [Member] | Maximum [Member]  
Fair Value Inputs Assets Liabilities Quantitative Information [Line Items]  
Probability of success 0.90%