Commitments and contingencies (Tables)

12 Months Ended

Oct. 31, 2016

Commitments and Contingencies Disclosure [Abstract]

Schedule of minimum rental income to be received from non-cancelable operating leases

Minimum rental income (in thousands of dollars) to be received from non-cancelable operating leases in years subsequent to October 31, 2016 is as follows:

Year Ending October 31,	Amount
2017	$	17,228
2018		15,713
2019		14,087
2020		12,795
2021		10,720
Thereafter		54,936
Total	$	125,479