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Credit card and debit card receivables from banks settlement period.

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Direct response advertising costs amortization period.

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Year in which amortization of finite-lived intangible assets is completed.

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Number of remaining stores.

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Performance-based securities excluded from the computation of earnings per share (EPS) that could potentially dilute basic earnings per share in the future if certain performance targets are achievable.

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Carrying value as of the balance sheet date of the liability for outstanding gift cards. Retail customers purchase gift cards or gift certificates that can be redeemed at a later date for merchandise or services; those unredeemed represent a liability of the entity because the revenue is being deferred.

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Amount charged to advertising expense for the period, which are expenses incurred with the objective of increasing revenue for a specified brand, product or product line.

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The amount of expense, net of income tax, recognized during the period arising from equity-based compensation arrangements (for example, shares of stock, unit, stock options or other equity instruments) with employees, directors and certain consultants qualifying for treatment as employees.

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The aggregate expense charged against earnings to allocate the cost of intangible assets (nonphysical assets not used in production) in a systematic and rational manner to the periods expected to benefit from such assets. As a noncash expense, this element is added back to net income when calculating cash provided by or used in operations using the indirect method.

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Securities (including those issuable pursuant to contingent stock agreements) that could potentially dilute basic earnings per share (EPS) or earnings per unit (EPU) in the future that were not included in the computation of diluted EPS or EPU because to do so would increase EPS or EPU amounts or decrease loss per share or unit amounts for the period presented.

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The costs of direct-response advertising whose primary purpose is to elicit sales to customers who could be shown to have responded specifically to the advertising and that results in probable future benefits and are reported as assets net of accumulated amortization.

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Number of common shares reserved for future issuance related to deferred compensation arrangements with individuals.

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No definition available.

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Unrecognized cost of unvested share-based compensation awards.

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Weighted average period over which unrecognized compensation is expected to be recognized for equity-based compensation plans, in 'PnYnMnDTnHnMnS' format, for example, 'P1Y5M13D' represents the reported fact of one year, five months, and thirteen days.

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Accumulated amount of amortization of assets, excluding financial assets and goodwill, lacking physical substance with a finite life.

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Amount before amortization of assets, excluding financial assets and goodwill, lacking physical substance with a finite life.

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Remaining amortization period of finite-lived intangible assets, in 'PnYnMnDTnHnMnS' format, for example, 'P1Y5M13D' represents the reported fact of one year, five months, and thirteen days.

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Useful life of finite-lived intangible assets, in 'PnYnMnDTnHnMnS' format, for example, 'P1Y5M13D' represents the reported fact of one year, five months, and thirteen days.

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The aggregate amount of write-downs for impairments recognized during the period for long lived assets held for use (including those held for disposal by means other than sale).

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Sum of the carrying amounts of all intangible assets, excluding goodwill, as of the balance sheet date, net of accumulated amortization and impairment charges.

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Number of operating segments. An operating segment is a component of an enterprise: (a) that engages in business activities from which it may earn revenues and incur expenses (including revenues and expenses relating to transactions with other components of the same enterprise), (b) whose operating results are regularly reviewed by the enterprise's chief operating decision maker to make decisions about resources to be allocated to the segment and assess its performance, and (c) for which discrete financial information is available. An operating segment may engage in business activities for which it has yet to earn revenues, for example, start-up operations may be operating segments before earning revenues.

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Number of segments reported by the entity. A reportable segment is a component of an entity for which there is an accounting requirement to report separate financial information on that component in the entity's financial statements.

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Represents the number of stores.

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The aggregate amount of noncash, equity-based employee remuneration. This may include the value of stock or unit options, amortization of restricted stock or units, and adjustment for officers' compensation. As noncash, this element is an add back when calculating net cash generated by operating activities using the indirect method.

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Fair value of options vested. Excludes equity instruments other than options, for example, but not limited to, share units, stock appreciation rights, restricted stock.

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Number of shares issued which are neither cancelled nor held in the treasury.

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Total number of shares issued during the period, including shares forfeited, as a result of Restricted Stock Awards.

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Summary of Significant Accounting Policies - Additional Information (Detail) (USD $)	12 Months Ended
	Jan. 31, 2015 Segment	Feb. 01, 2014	Feb. 02, 2013
Accounting Policies [Line Items]
Number of reportable segments	1us-gaap_NumberOfReportableSegments
Number of operating segments	2us-gaap_NumberOfOperatingSegments
Carrying value of trademark	$ 3,308,000	$ 4,393,000
Amortization expense of intangibles	1,085,000us-gaap_AmortizationOfIntangibleAssets	1,900,000us-gaap_AmortizationOfIntangibleAssets	2,400,000us-gaap_AmortizationOfIntangibleAssets
Direct response costs deferred	0us-gaap_DeferredAdvertisingCosts	0us-gaap_DeferredAdvertisingCosts
Anti dilutive shares	497,000	443,000
Shares of restricted stock issued	1,685,290
Stock compensation expense	2,996,000us-gaap_ShareBasedCompensation	1,893,000us-gaap_ShareBasedCompensation	777,000us-gaap_ShareBasedCompensation
Total compensation expenses after tax			500,000
Total fair value of options vested	1,200,000	100,000	100,000
Impairment charges	300,000	1,500,000	0
Gift card liability, net of breakage	1,400,000	1,400,000
Unvested time-based restricted stock
Accounting Policies [Line Items]
Anti dilutive shares	751,804
Unvested performance-based restricted stock
Accounting Policies [Line Items]
Securities excluded from computation of earnings per share, respective performance targets not yet achieved, amount	933,486
Performance-Based Stock Options and Restricted Stock Awards
Accounting Policies [Line Items]
Securities excluded from computation of earnings per share, respective performance targets not yet achieved, amount	1,175,000
Unrecognized stock compensation cost	7,100,000
Deferred Stock
Accounting Policies [Line Items]
Shares excluded from computation of basic earnings per share	11,238
outstanding shares		11,238
Time-Vested Stock Options and Time-Based Restricted Stock Awards
Accounting Policies [Line Items]
Unrecognized stock compensation cost	2,500,000
Unrecognized stock compensation cost weighted average recognition period	27 months
Selling, General and Administrative Expenses
Accounting Policies [Line Items]
Advertising expenses	26,000,000	27,100,000	17,800,000
Other Intangible Assets
Accounting Policies [Line Items]
Carrying value of trademark	329,000	429,000
Intangible assets, estimated useful life	16 years
Weighted average amortization period remaining for other intangibles	3 years 3 months 18 days
Amortization expense of intangibles	100,000
Customer Lists
Accounting Policies [Line Items]
Gross carrying amount of intangibles	7,700,000	7,700,000
Casual Male Trademark
Accounting Policies [Line Items]
Accumulated amortization of intangibles	5,900,000	4,800,000
Minimum
Accounting Policies [Line Items]
Credit card and debit card receivables from banks settlement period	2 days
Maximum
Accounting Policies [Line Items]
Credit card and debit card receivables from banks settlement period	4 days
Direct response advertising costs, amortization period	1 year
DXL Stores \| UNITED STATES
Accounting Policies [Line Items]
Number of stores	138
Casual Male XL Retail and Outlet Stores
Accounting Policies [Line Items]
Intangible assets, amortization period	2018
Casual Male XL Retail and Outlet Stores \| Minimum
Accounting Policies [Line Items]
Number of stores expected open by the end of 2017	75
Casual Male XL Retail and Outlet Stores \| Maximum
Accounting Policies [Line Items]
Number of stores expected open by the end of 2017	100
Casual Male XL Retail and Outlet Stores \| UNITED STATES
Accounting Policies [Line Items]
Number of stores	157
Casual Male XL outlets
Accounting Policies [Line Items]
Number of stores	48
DXL Outlets
Accounting Policies [Line Items]
Number of stores	2
Rochester Clothing Stores \| Trademarks
Accounting Policies [Line Items]
Carrying value of trademark	$ 1,500,000	$ 1,500,000
Rochester Clothing Stores \| UNITED STATES
Accounting Policies [Line Items]
Number of stores	8
Rochester Clothing Stores \| UNITED KINGDOM
Accounting Policies [Line Items]
Number of stores	1