Goodwill and Intangible Assets - Amortization Expense Related to Intangible Assets (Details) - USD ($) $ in Millions	3 Months Ended	9 Months Ended
Oct. 31, 2021	Nov. 01, 2020	Oct. 31, 2021	Nov. 01, 2020
Amortization expense related to intangible assets:
Amortization expense	$ 30.6	$ 29.6	$ 88.4	$ 87.8

The aggregate expense charged against earnings to allocate the cost of intangible assets (nonphysical assets not used in production) in a systematic and rational manner to the periods expected to benefit from such assets. As a noncash expense, this element is added back to net income when calculating cash provided by or used in operations using the indirect method.

Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef
-Publisher FASB
-Name Accounting Standards Codification
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Reference 2: http://fasb.org/us-gaap/role/ref/legacyRef
-Publisher FASB
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Reference 3: http://fasb.org/us-gaap/role/ref/legacyRef
-Publisher FASB
-Name Accounting Standards Codification
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