Debt - Summary of Remaining Aggregate Principal Payments Due Under Term Loan and Mortgage Debt (Details) $ in Thousands	Oct. 31, 2015 USD ($)
Debt Instrument [Line Items]
2015	$ 562
2016	76,215
2017	624
2018	658
2019	693
Thereafter	24,395
Total	103,147
Less: Term Loan discount	(5,562)
Less: Current portion of long-term debt	(562)
Total long-term debt	97,023
Mortgage Debt [Member]
Debt Instrument [Line Items]
2015	562
2016	592
2017	624
2018	658
2019	693
Thereafter	24,395
Total	27,524
Term Loan [Member]
Debt Instrument [Line Items]
2015	0	[1]
2016	75,623	[1]
2017	0	[1]
2018	0	[1]
2019	0
Thereafter	0
Total	75,623	[1]
Due and payable upon Term Loan maturity	26,600
PIK interest included in Term Loan balance	15,600
Accrued interest	$ 4,300

[1] Upon maturity of the Term Loan, $26.6 million of PIK interest will become due and payable, of which $15.6 million is included in the Term Loan balance and $4.3 million is accrued and included in other current liabilities as of October 31, 2015.