Restructuring Costs (Tables)

6 Months Ended

Jul. 31, 2016

Restructuring And Related Activities [Abstract]

Schedule of Carrying Amount of Accrual for Restructuring Plans

The following table summarizes the carrying amount of the accrual for the restructuring plans discussed above:

	Severance
	and other
	personnel-
	related
(in thousands)	costs			Other			Total
Balance at January 31, 2016	$	1,157		$	56		$	1,213
Restructuring Costs
Water Resources Business Performance Initiative		187			416			603
FY2016 Restructuring Plan		210			647			857
Total restructuring costs		397			1,063			1,460
Cash expenditures		(738	)		(714	)		(1,452	)
Adjustment to liability		25			10			35
Balance at July 31, 2016	$	841		$	415		$	1,256