Share-Based Compensation Plans - Deferred Stock Units, Performance Units and Restricted Stock (Details) $ / shares in Units, $ in Millions	6 Months Ended
Aug. 03, 2019 USD ($) $ / shares shares
Deferred stock units
Additional information
Shares relinquished for tax withholding	137,694
Unrecognized compensation cost
Unrecognized compensation cost, non-vested awards \| $	$ 9.5
Compensation recognition period, non-vested awards	1 year 3 months 18 days
Time-Based DSUs
Awards
Non-Vested at the beginning of the period (in shares)	939,086
Granted (in shares)	162,162
Vested (in shares)	(416,566)
Forfeited (in shares)	(100,902)
Non-Vested at the end of the period (in shares)	583,780
Weighted-Average Grant-Date Fair Value
Non-Vested at the beginning of the period (in dollars per share) \| $ / shares	$ 22.60
Granted (in dollars per share) \| $ / shares	5.55
Vested (in dollars per share) \| $ / shares	21.81
Forfeited (in dollars per share) \| $ / shares	22.44
Non-Vested at the end of the period (in dollars per share) \| $ / shares	$ 18.45
Performance-Based DSUs
Awards
Non-Vested at the beginning of the period (in shares)	336,906
Vested (in shares)	(28,686)
Forfeited (in shares)	(43,704)
Non-Vested at the end of the period (in shares)	264,516
Weighted-Average Grant-Date Fair Value
Non-Vested at the beginning of the period (in dollars per share) \| $ / shares	$ 18.59
Vested (in dollars per share) \| $ / shares	17.43
Forfeited (in dollars per share) \| $ / shares	18.30
Non-Vested at the end of the period (in dollars per share) \| $ / shares	$ 18.77

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Weighted average fair value as of the grant date of equity-based award plans other than stock (unit) option plans that were not exercised or put into effect as a result of the occurrence of a terminating event.

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Per share or unit weighted-average fair value of nonvested award under share-based payment arrangement. Excludes share and unit options.

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