Commitments and Contingencies (Tables)

9 Months Ended

Oct. 31, 2011

Commitments and Contingencies [Abstract]

Summary of the accrued exit charges associated with relocation

(in thousands)
Balance at July 31, 2011	$	29,908
Cash payments, net of estimated sublease income		(3,142	)
Interest accretion		199
Balance at October 31, 2011	$	26,965