Investments - Summary of Investments in Debt Securities Outstanding (Details) - USD ($) $ in Millions	Feb. 01, 2020	Feb. 02, 2019
Cost
Less than one year	$ 3.5
Year two through year five	16.6
Total investment in debt securities	20.1	$ 15.7
Fair Value
Less than one year	3.5
Year two through year five	16.9
Total investment in debt securities	$ 20.4	$ 14.8

Amortized cost of investment in debt security measured at fair value with change in fair value recognized in other comprehensive income (available-for-sale).

Reference 1: http://www.xbrl.org/2003/role/disclosureRef
-Publisher FASB
-Name Accounting Standards Codification
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