CONSOLIDATED STATEMENT OF COMPREHENSIVE INCOME (LOSS) (Unaudited) (USD $) In Thousands, unless otherwise specified	3 Months Ended		6 Months Ended
	Jul. 31, 2013	Jul. 31, 2012	Jul. 31, 2013	Jul. 31, 2012
Net income (loss)	$ 4,396	$ (1,357)	$ 15,477	$ (3,413)
Other comprehensive income (loss)
Foreign currency translation adjustments	245	(798)	(720)	(833)
Interest rate swap, net of tax	147	(45)	159	(18)
Other comprehensive income (loss)	392	(843)	(561)	(851)
Comprehensive income (loss)	$ 4,788	$ (2,200)	$ 14,916	$ (4,264)