Debt - Summary of Components of Debt (Detail) - USD ($) $ in Thousands |
Jan. 31, 2016 |
Oct. 31, 2015 |
|---|---|---|
| Debt Instrument [Line Items] | ||
| Total debt | $ 212,834 | $ 213,426 |
| Total | 212,834 | 213,426 |
| Less: current portion | 2,499 | 2,475 |
| Long-term debt | 210,335 | 210,951 |
| Pennsylvania Industrial Loan [Member] | ||
| Debt Instrument [Line Items] | ||
| Total debt | 857 | 879 |
| Total | 857 | 879 |
| Mortgage Loan Note [Member] | ||
| Debt Instrument [Line Items] | ||
| Total debt | 2,941 | 2,974 |
| Total | 2,941 | 2,974 |
| Capital Leases [Member] | ||
| Debt Instrument [Line Items] | ||
| Total debt | 9,036 | 9,573 |
| Total | 9,036 | 9,573 |
| 8.25% Senior Notes Due 2019 [Member] | ||
| Debt Instrument [Line Items] | ||
| Total debt | 200,000 | 200,000 |
| Total | $ 200,000 | $ 200,000 |