Warranties (Tables)

12 Months Ended

Jan. 31, 2014

Product Warranty Costs [Abstract]

Warranties

Changes in the warranty accrual were as follows:

	For the years ended January 31,
	2014			2013			2012
Beginning balance	$	1,888		$	1,699		$	1,437
Acquired	—			—			192
Accrual for warranties	4,561			2,968			3,010
Settlements made (in cash or in kind)	(3,924		)	(2,779		)	(2,940		)
Ending balance	$	2,525		$	1,888		$	1,699