Commitments and contingencies (Tables)

12 Months Ended

Oct. 31, 2015

Commitments and contingencies [Abstract]

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

Year Ending October 31,	Amount
2016	$	16,955
2017		14,976
2018		12,411
2019		11,132
2020		9,836
Thereafter		55,431
Total	$	120,741