Goodwill and Intangibles - Summary of Future Amortization (Details) - USD ($) $ in Millions	Jan. 28, 2017	Jan. 30, 2016
Definite-lived intangible assets amortization expense
2018	$ 9.3
2019	2.6
2020	0.3
2021	0.0
2022	0.0
Thereafter	0.0
Net carrying amount	12.2	$ 25.6
Definite-lived intangible liabilities amortization expense
2018	(13.0)
2019	(7.6)
2020	(5.7)
2021	(5.4)
2022	(5.4)
Thereafter	(5.1)
Total	(42.2)	(61.5)
Unfavorable leases
Definite-lived intangible liabilities amortization expense
2018	(7.6)
2019	(2.2)
2020	(0.3)
2021	0.0
2022	0.0
Thereafter	0.0
Total	(10.1)	(24.0)
Unfavorable contracts
Definite-lived intangible liabilities amortization expense
2018	(5.4)
2019	(5.4)
2020	(5.4)
2021	(5.4)
2022	(5.4)
Thereafter	(5.1)
Total	(32.1)	(37.5)
Trade names
Definite-lived intangible assets amortization expense
2018	0.3
2019	0.2
2020	0.1
2021	0.0
2022	0.0
Thereafter	0.0
Net carrying amount	0.6	$ 0.9
Favorable leases
Definite-lived intangible assets amortization expense
2018	9.0
2019	2.4
2020	0.2
2021	0.0
2022	0.0
Thereafter	0.0
Net carrying amount	$ 11.6