Prepaid expenses (Tables)

12 Months Ended

Oct. 31, 2020

Prepaid Expense, Current [Abstract]

Prepaid expenses

Prepaid expenses consisted of the following:

	October 31,
	2020		2019
	(in thousands)
Parts and supplies	$	36,109	$	33,617
Prepaid insurance	10,675		8,859
Other prepaid expenses	10,760		14,455
Total prepaid expenses	$	57,544	$	56,931