CONDENSED CONSOLIDATED STATEMENTS OF INCOME AND COMPREHENSIVE INCOME - USD ($) shares in Thousands, $ in Thousands	3 Months Ended
	Apr. 30, 2020	Apr. 30, 2019
Income Statement [Abstract]
Net sales	$ 405,131	$ 633,552
Cost of goods sold	280,730	397,488
Gross profit	124,401	236,064
Selling, general and administrative expenses	154,620	201,859
Depreciation and amortization	9,867	9,473
Loss (gain) on lease terminations	3,187	(829)
Operating profit (loss)	(43,273)	25,561
Other loss	(2,056)	(648)
Interest and financing charges, net	(10,379)	(10,320)
Income (loss) before income taxes	(55,708)	14,593
Income tax expense (benefit)	(16,413)	2,550
Net income (loss)	$ (39,295)	$ 12,043
Basic:
Basic net income (loss) per share (in dollars per share)	$ (0.82)	$ 0.25
Weighted average number of shares outstanding (in shares)	48,025	48,781
Diluted:
Net income (loss) per common share (in dollars per share)	$ (0.82)	$ 0.24
Weighted average number of shares outstanding (in shares)	48,025	49,774
Net income (loss)	$ (39,295)	$ 12,043
Other comprehensive income (loss):
Foreign currency translation adjustments	(4,026)	(3,227)
Other comprehensive loss	(4,026)	(3,227)
Comprehensive income (loss)	$ (43,321)	$ 8,816