Inventories (Tables)

9 Months Ended

Oct. 31, 2016

Inventory Disclosure [Abstract]

Schedule of inventories

	October 31, 2016		October 31, 2015		January 31, 2016
	(In thousands)
Finished goods	$	489,352	$	507,602	$	484,805
Raw materials and work-in-process		1,203		2,772		506
	$	490,555	$	510,374	$	485,311