Stock-Based Compensation - Additional Information (Detail) (USD $)	9 Months Ended					0 Months Ended	9 Months Ended	0 Months Ended	9 Months Ended						6 Months Ended			9 Months Ended	6 Months Ended			9 Months Ended	0 Months Ended	6 Months Ended		0 Months Ended	9 Months Ended		0 Months Ended				9 Months Ended
	Nov. 01, 2014 Employee	Nov. 02, 2013	Nov. 01, 2014 Employee Stock Plan, 2006 Plan	Nov. 01, 2014 2016 Long Term Incentive Wrap Around Plan	Nov. 01, 2014 Maximum Employee Stock Plan, 2006 Plan	Nov. 07, 2014 Maximum 2016 Long Term Incentive Wrap Around Plan Subsequent Event	Nov. 01, 2014 Minimum Employee Stock Plan, 2006 Plan	Nov. 07, 2014 Minimum 2016 Long Term Incentive Wrap Around Plan Subsequent Event	Nov. 01, 2014 Time Based Vesting Schedule	Nov. 01, 2014 Performance Based Vesting Schedule	Nov. 01, 2014 Performance Based Vesting Schedule Employee Stock Plan, 2006 Plan	Nov. 01, 2014 Period 1	Nov. 01, 2014 Period 2	Nov. 01, 2014 Period 3	Aug. 03, 2013 Chief Executive Officer	Aug. 03, 2013 Senior Executive	Aug. 03, 2013 Other Participants	Nov. 01, 2014 Non Employee Director	Aug. 03, 2013 Restricted Stock	Nov. 01, 2014 Restricted Stock	Nov. 02, 2013 Restricted Stock	Nov. 01, 2014 Restricted Stock Employee Stock Plan, 2006 Plan	Nov. 07, 2014 Restricted Stock 2016 Long Term Incentive Wrap Around Plan Subsequent Event	Aug. 03, 2013 Stock Options	Aug. 03, 2013 Cash	Nov. 07, 2014 Cash 2016 Long Term Incentive Wrap Around Plan Subsequent Event	Nov. 01, 2014 Performance-related restricted stock	Nov. 01, 2014 Performance Related Options	Nov. 07, 2014 Performance Based Compensation Maximum 2016 Long Term Incentive Wrap Around Plan Subsequent Event	Nov. 07, 2014 Performance Based Compensation Minimum 2016 Long Term Incentive Wrap Around Plan Subsequent Event	Nov. 07, 2014 Performance Based Compensation Threshold 2016 Long Term Incentive Wrap Around Plan Subsequent Event	Nov. 01, 2014 Awards Other than Stock Options and Stock Appreciation Rights Employee Stock Plan, 2006 Plan	Nov. 01, 2014 Deferred Stock	Nov. 01, 2014 Deferred Stock Employee Stock Plan, 2006 Plan		Nov. 01, 2014 Time Vested Stock Options And Time Based Restricted Stock Awards	Nov. 01, 2014 Performance-Based Stock Options and Restricted Stock Awards
Share Based Compensation Arrangement By Share Based Payment Award [Line Items]
Percentage of salary															100.00%	70.00%	50.00%
Percentage of benefit obligation									50.00%	50.00%									50.00%				50.00%	25.00%	25.00%	50.00%
Vesting plan												20.00%	40.00%	40.00%
Revenue target					$ 600,000,000		$ 510,000,000				$ 550,000,000
Percentage of operating margin					8.00%
Payout percentage					100.00%	100.00%	50.00%	80.00%
Potential value of awards over the four-year period	19,500,000
Number of terminations	2
Additional stock compensation expense	77,000
Restricted shares vested																						143,203					10,200
Common Stock shares vested																												12,418
Performance based compensation percentage																													100.00%	80.00%	50.00%
Closing stock price						$ 7.25		$ 6.75
Projected benefit obligation percentage						30.00%		20.00%
Performance based compensation description				If the Company’s stock price is $6.75, the 50% payout in restricted shares will be increased by 20% and if the stock price is $7.25 or higher, the 50% payout in restricted shares will be increased by 30%.
Increase in authorized shares					7,250,000																											4,250,000
Shares available for future grant			1,113,841																	97,950	2,229,364											1,008,401
Number of shares of common stock issued																		30,349
Fair value of common stock issued																		158,911
Shares granted			8,345																			97,950											8,345	8,345	[1]
Stock options granted to purchase common stock	141,684	2,765,414	141,684
Stock compensation expense	2,203,000	1,492,000
Unrecognized stock compensation cost																																				$ 3,300,000	$ 7,200,000
Unrecognized stock compensation cost weighted average recognition period																																				22 months

[1] During the first nine months of fiscal 2014, the Company granted 8,345 shares of deferred stock, with a fair value of approximately $43,561 to a director as compensation in lieu of cash and in accordance with his irrevocable election. The shares of deferred stock will vest three years from the date of grant.