Aggregate dividends declared during the period for each share of common stock outstanding.

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Amount of paid and unpaid common stock dividends declared with the form of settlement in cash, stock and payment-in-kind (PIK).

+ References

Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 505
-SubTopic 10
-Section S99
-Paragraph 1
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-Section 45
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Line items represent financial concepts included in a table. These concepts are used to disclose reportable information associated with domain members defined in one or many axes to the table.

+ References

No definition available.

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- Definition

Amount of paid and unpaid preferred stock dividends declared with the form of settlement in cash.

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Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 942
-SubTopic 405
-Section 45
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- Definition

Adjustment to retained earnings for the increase in carrying amount of redeemable preferred stock that is classified as temporary equity.

+ References

Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 480
-SubTopic 10
-Section S99
-Paragraph 2
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Aggregate dividends declared during the period for each share of preferred stock outstanding.

+ References

No definition available.

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Shareholders' equity - Dividends (Details) - USD ($) $ / shares in Units, $ in Millions	3 Months Ended				6 Months Ended
	Aug. 03, 2019	May 04, 2019	Aug. 04, 2018	May 05, 2018	Aug. 03, 2019	Aug. 04, 2018
Dividends Payable [Line Items]
Dividends declared per common share (usd per share)	$ 0.37	$ 0.37	$ 0.37	$ 0.37	$ 0.74	$ 0.74
Dividends, common stock	$ 19.3	$ 19.3	$ 19.2	$ 21.8	$ 38.6	$ 41.0
Dividends declared per preferred share (usd per share)	$ 12.50	$ 12.5	$ 12.50	$ 12.5	$ 25.00	$ 25.00
Dividends on redeemable convertible preferred shares	$ 8.2	$ 8.2	$ 8.2	$ 8.2
Series A Redeemable Convertible Preferred Stock
Dividends Payable [Line Items]
Dividends declared per preferred share (usd per share)		$ 12.50		$ 12.50
Dividends, preferred stock	7.8	$ 7.8	7.8	$ 7.8	$ 15.6	$ 15.6
Dividends on redeemable convertible preferred shares	0.4		0.4		$ 0.8	$ 0.8
Accrued Expenses
Dividends Payable [Line Items]
Dividends, preferred stock	$ 7.8
Other liabilities
Dividends Payable [Line Items]
Dividends, preferred stock			$ 7.8