Severance Expense	12 Months Ended
Jul. 31, 2017
Severance Expense [Abstract]
Severance Expense	Note 15—Severance Expense In July 2016, the Company completed a reduction of its workforce and incurred severance expense of $6.3 million in fiscal 2016. Severance expense in fiscal 2016 also included $0.2 million unrelated to the July 2016 workforce reduction. At July 31, 2017 and 2016, there was accrued severance of $0.3 million and $5.7 million, respectively, included in “Accrued expenses” in the accompanying consolidated balance sheets for the July 2016 workforce reduction. In February and March 2015, the Company completed a reduction of its workforce and incurred severance expense of $6.2 million in fiscal 2015. Severance expense in fiscal 2015 also included $1.9 million due to a downsizing of certain IDT Telecom sales and administrative functions in Europe and the U.S in the first quarter of fiscal 2015, and an additional $0.2 million in the fourth quarter of fiscal 2015. At July 31, 2017 and 2016, there was accrued severance of nil and $0.1 million, respectively, included in “Accrued expenses” in the accompanying consolidated balance sheets for the February and March 2015 headcount reductions.

Note 15—Severance Expense

In July 2016, the Company completed a reduction of its workforce and incurred severance expense of $6.3 million in fiscal 2016. Severance expense in fiscal 2016 also included $0.2 million unrelated to the July 2016 workforce reduction. At July 31, 2017 and 2016, there was accrued severance of $0.3 million and $5.7 million, respectively, included in “Accrued expenses” in the accompanying consolidated balance sheets for the July 2016 workforce reduction.

In February and March 2015, the Company completed a reduction of its workforce and incurred severance expense of $6.2 million in fiscal 2015. Severance expense in fiscal 2015 also included $1.9 million due to a downsizing of certain IDT Telecom sales and administrative functions in Europe and the U.S in the first quarter of fiscal 2015, and an additional $0.2 million in the fourth quarter of fiscal 2015. At July 31, 2017 and 2016, there was accrued severance of nil and $0.1 million, respectively, included in “Accrued expenses” in the accompanying consolidated balance sheets for the February and March 2015 headcount reductions.