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Goodwill and Other Intangible Assets - Intangible Assets (Details) - USD ($)
$ in Millions
3 Months Ended 6 Months Ended
Aug. 03, 2019
Aug. 04, 2018
Aug. 03, 2019
Aug. 04, 2018
Intangible asset amortization expense        
Pre-tax amortization expense associated with intangible assets $ 0.6 $ 1.0 $ 1.2 $ 2.0
Pre-tax amortization expense estimated for the remainder of fiscal year 2019 1.2   1.2  
Pre-tax amortization expense estimated for fiscal year 2020 2.5   2.5  
Pre-tax amortization expense estimated for fiscal year 2021 2.5   2.5  
Pre-tax amortization expense estimated for fiscal year 2022 1.4   1.4  
Pre-tax amortization expense estimated for fiscal year 2023 $ 0.3   $ 0.3