Warranties (Tables)

12 Months Ended

Jan. 31, 2019

Product Warranty Costs [Abstract]

Warranties

Changes in the warranty accrual were as follows:

	For the years ended January 31,
	2019			2018			2017
Beginning balance	$	1,163		$	1,547		$	1,835
Change in provision	1,449			1,762			1,597
Settlements made	(1,722		)	(2,146		)	(1,885		)
Ending balance	$	890		$	1,163		$	1,547