Segment Reporting Segment Reporting (Details) $ in Thousands	3 Months Ended	6 Months Ended	9 Months Ended
Oct. 27, 2018 USD ($) Store	Oct. 28, 2017 USD ($)	Oct. 27, 2018 USD ($) Store	Oct. 28, 2017 USD ($)	Jan. 27, 2018
Segment Reporting Information [Line Items]
Number of Reportable Segments			3		2
Number of Stores \| Store	1,450		1,450
Deferred Compensation Arrangement with Individual, Compensation Expense				$ 5,361
Revenue, Net	$ 814,766	$ 886,861	$ 1,152,250	1,242,572
Gross Profit	210,760	216,700	277,370	281,900
Depreciation and amortization expense	16,421	16,704	32,959	31,721
Operating Income (Loss)	78,479	83,256	29,407	27,717
Interest Income (Expense), Net	(1,836)	(1,836)	(5,358)	(4,874)
Income (Loss) from Continuing Operations before Equity Method Investments, Income Taxes, Noncontrolling Interest	76,643	81,420	24,049	22,843
BNC [Member]
Segment Reporting Information [Line Items]
Sales Revenue, Goods, Gross	702,870	757,301	948,045	1,007,278
Gross Profit	162,083	167,523	211,398	216,747
Depreciation and amortization expense	12,897	13,331	26,152	26,664
Operating Income (Loss)	55,561	59,151	12,606	13,861
MBS [Member]
Segment Reporting Information [Line Items]
Sales Revenue, Goods, Gross	118,954	134,851	249,278	274,652
Gross Profit	30,893	33,175	57,644	60,764
Depreciation and amortization expense	1,569	1,618	3,099	3,253
Operating Income (Loss)	16,990	18,228	30,352	32,106
Corporate, Non-Segment [Member]
Segment Reporting Information [Line Items]
Depreciation and amortization expense	38	46	82	95
Operating Income (Loss)	(6,091)	(4,377)	(11,628)	(16,668)
DSS [Member]
Segment Reporting Information [Line Items]
Sales Revenue, Goods, Gross	4,934	4,486	10,611	4,486
Gross Profit	4,789	4,344	10,343	4,344
Depreciation and amortization expense	1,917	1,709	3,626	1,709
Operating Income (Loss)	(1,015)	(1,404)	51	(1,627)
Intersegment Eliminations [Member]
Segment Reporting Information [Line Items]
Sales Revenue, Goods, Gross	(11,992)	(9,777)	(55,684)	(43,844)
Gross Profit	12,995	11,658	(2,015)	45
Operating Income (Loss)	$ 13,034	$ 11,658	$ (1,974)	$ 45
BNC [Member]
Segment Reporting Information [Line Items]
Number of Stores \| Store	773		773
MBS [Member]
Segment Reporting Information [Line Items]
Number of Stores \| Store	677		677
Number of Wholesale Customers \| Store			3,500
Number of System Customers \| Store	400		400

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The compensation expense recognized during the period pertaining to the deferred compensation arrangement.

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Aggregate revenue less cost of goods and services sold or operating expenses directly attributable to the revenue generation activity.

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Amount of income (loss) from continuing operations before deduction of income tax expense (benefit) and income (loss) attributable to noncontrolling interest, and addition of income (loss) from equity method investments.

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Represents the number of stores.

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Aggregate revenue during the period from sale of goods in the normal course of business, before deducting returns, allowances and discounts.

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Total revenue from sale of goods and services rendered during the reporting period, in the normal course of business, reduced by sales returns and allowances, and sales discounts.

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