Segment Information - Net Sales Activity by Geographic Region (Details) - Sales Revenue, Goods, Net [Member]	3 Months Ended		6 Months Ended
	Jul. 30, 2017	Jul. 31, 2016	Jul. 30, 2017	Jul. 31, 2016
Revenues from External Customers and Long-Lived Assets [Line Items]
Concentration risk, percentage	100.00%	100.00%	100.00%	100.00%
Asia-Pacific [Member]
Revenues from External Customers and Long-Lived Assets [Line Items]
Concentration risk, percentage	73.00%	73.00%	75.00%	75.00%
North America [Member]
Revenues from External Customers and Long-Lived Assets [Line Items]
Concentration risk, percentage	21.00%	19.00%	21.00%	16.00%
Europe [Member]
Revenues from External Customers and Long-Lived Assets [Line Items]
Concentration risk, percentage	8.00%	8.00%	7.00%	9.00%
Other: Warrant Shares [Member]
Revenues from External Customers and Long-Lived Assets [Line Items]
Concentration risk, percentage	(2.00%)	0.00%	(3.00%)	0.00%