Commitments and Contingencies (Tables)

9 Months Ended

Oct. 31, 2013

Commitments and Contingencies Disclosure [Abstract]

Summary of Accrued Exit Charges Associated with Relocation

The following is a reconciliation of the accrued exit charges:

(in thousands)
Balance at January 31, 2013	$	16,164
Cash payments, net of estimated sublease income	(1,518		)
Interest accretion	108
Balance at April 30, 2013	14,754
Cash payments, net of estimated sublease income	(1,518		)
Interest accretion	98
Balance at July 31, 2013	13,334
Cash payments, net of estimated sublease income	(1,518		)
Interest accretion	89
Balance at October 31, 2013	$	11,905