Summary of Significant Accounting Policies (Tables)

9 Months Ended

Oct. 31, 2015

Accounting Policies [Abstract]

Schedule of Earnings Per Share

	For the Third Quarter Ended		For the Three Quarters Ended
	October 31, 2015	November 1, 2014	October 31, 2015	November 1, 2014
	(in thousands)
Shares used in computing basic net income (loss) per share	70,082	69,235	69,778	69,018
Dilutive effect of options, restricted stock and convertible preferred stock	—	—	426	—
Shares used in computing diluted net income (loss) per share	70,082	69,235	70,204	69,018