Income Taxes	9 Months Ended
Apr. 30, 2019
Income Taxes [Abstract]
Income Tax Disclosure [Text Block]	Income Taxes The effective income tax rates for the three and nine months ended April 30, 2019, were 15.1% and 19.5%, respectively. The Company expects its ongoing annual effective income tax rate to be in the mid-20 percent range based on its current global business mix. The effective income tax rates for the three and nine months ended April 30, 2019, were lower than the expected income tax rate due to the reversal of certain reserves for uncertain tax positions due to the favorable settlement of such foreign and domestic tax matters, partially offset by an increase in the valuation allowance against foreign tax credit carryforwards. The effective income tax rates for the three and nine months ended April 30, 2018, were 29.7% and 47.4%, respectively. The income tax rates were significantly impacted by the recognition of additional tax expense of $21,060 primarily due to the enactment of the Tax Cuts and Jobs Act (the "Tax Reform Act") passed in December 2017.

Income Taxes

9 Months Ended

Apr. 30, 2019

Income Taxes

The effective income tax rates for the three and nine months ended April 30, 2019, were 15.1% and 19.5%, respectively. The Company expects its ongoing annual effective income tax rate to be in the mid-20 percent range based on its current global business mix. The effective income tax rates for the three and nine months ended April 30, 2019, were lower than the expected income tax rate due to the reversal of certain reserves for uncertain tax positions due to the favorable settlement of such foreign and domestic tax matters, partially offset by an increase in the valuation allowance against foreign tax credit carryforwards.

The effective income tax rates for the three and nine months ended April 30, 2018, were 29.7% and 47.4%, respectively. The income tax rates were significantly impacted by the recognition of additional tax expense of $21,060 primarily due to the enactment of the Tax Cuts and Jobs Act (the "Tax Reform Act") passed in December 2017.