Prepaid expenses (Tables)

12 Months Ended

Oct. 31, 2017

Prepaid Expense, Current [Abstract]

Prepaid Expenses

Prepaid expenses consisted of the following:

	October 31,
	2017		2016
	(In thousands)
Parts and supplies	$	25,293	$	23,022
Prepaid insurance	6,691		6,084
Other prepaid expenses	6,636		5,453
	$	38,620	$	34,559