Commitments and Contingencies (Details) (USD $) In Thousands, unless otherwise specified	Oct. 31, 2013
Long-Term Contractual Obligations
Remaining fiscal year	$ 14,951
2015	17,132
2016	13,999
2017	55,991
2018	1,199
Thereafter	3,681
Total	106,953
Term Loan Facility
Long-Term Contractual Obligations
Interest rate (as a percent)	2.41%
Revolving Credit Facility
Long-Term Contractual Obligations
Interest rate (as a percent)	2.45%
Maturities of the credit facilities
Long-Term Contractual Obligations
Remaining fiscal year	7,500
2015	10,000
2016	10,000
2017	54,500
Total	82,000
Expected interest payments under the credit facilities
Long-Term Contractual Obligations
Remaining fiscal year	1,439
2015	1,707
2016	1,466
2017	4
Total	4,616
Minimum commitments under noncancelable operating leases
Long-Term Contractual Obligations
Remaining fiscal year	2,748
2015	2,892
2016	1,996
2017	1,370
2018	1,163
Thereafter	3,654
Total	13,823
Compensation agreements
Long-Term Contractual Obligations
Remaining fiscal year	3,223
2015	2,478
2016	494
2017	75
Total	6,270
Deferred compensation and other
Long-Term Contractual Obligations
Remaining fiscal year	41
2015	55
2016	43
2017	42
2018	36
Thereafter	27
Total	$ 244