Special Charges Summary of the Components of Special Charges (Tables)

3 Months Ended

Apr. 30, 2014

Restructuring and Related Activities [Abstract]

Schedule Of Special Charges [Table Text Block]

The following is a summary of the components of special charges:

	Three months ended April 30,
	2014		2013
Litigation costs	$	3,958	$	1,940
Employee severance and related costs	1,125		2,079
Other costs, net	843		4
Total special charges	$	5,926	$	4,023