Summary of Significant Accounting Policies (Tables)

12 Months Ended

Jan. 31, 2017

Accounting Policies [Abstract]

Shares outstanding for the earnings (loss) per share calculations

The following table sets forth the shares outstanding for the earnings per share calculations: 

	Year Ended January 31,
(in thousands)	2017	2016	2015
Weighted-average common shares outstanding - Basic	30,776	35,084	36,232
Dilutive effect of stock options and restricted stock units	—	473	668
Weighted-average common shares outstanding - Diluted	30,776	35,557	36,900