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Description of Business and Summary of Significant Accounting Policies - Schedule of Estimated Amortization Expense for Assets Recognized (Details)
$ in Millions
Feb. 02, 2019
USD ($)
Amortization Expense, fiscal year maturity [Abstract]  
2019 $ 7.4
2020 6.2
2021 4.7
2022 2.3
2023 0.8
Thereafter $ 0.1