Significant Accounting Policies (Tables)

12 Months Ended

Jan. 31, 2018

Accounting Policies [Abstract]

Schedule of Warranty Liability

Warranty liability for the fiscal years ended January 31, 2018, 2017 and 2016 was as follows (in thousands):

	2018			2017			2016
Balance, beginning of year	$	2,728		$	2,556		$	2,710
Provision charged to operations		2,845			2,092			1,630
Settlements made		(2,285	)		(1,920	)		(1,784	)
Balance, end of year	$	3,288		$	2,728		$	2,556