Debt Maturities of Debt (Details) - USD ($) $ in Thousands	Jul. 31, 2020	Apr. 30, 2020	Oct. 31, 2019
Debt Instrument [Line Items]
Long-term Debt		$ 322,900
2021	$ 1,879
2022	0
2023	322,900
2024	0
2025	0
Total Debt	324,779		$ 250,670
Revolving Credit Facility [Member]
Debt Instrument [Line Items]
2021	0
2022	0
2023	322,900
2024	0
2025	0
Long-term Debt	322,900		248,695
Capital Lease Obligations [Member]
Debt Instrument [Line Items]
Long-term Debt	1,879		$ 1,975
2021	1,879
2022	0
2023	0
2024	0
2024	0
Total	$ 1,879