Income Taxes	6 Months Ended
Jan. 31, 2019
Income Taxes [Abstract]
Income Tax Disclosure [Text Block]	Income Taxes The effective income tax rates for the three and six months ended January 31, 2019, were 20.3% and 21.8%, 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 six months ended January 31, 2019, were lower than the expected income tax rate due to the favorable settlement of a foreign income tax matter, partially offset by an increase in the valuation allowance against foreign tax credit carryforwards. The effective income tax rates for the three and six months ended January 31, 2018, were 87.8% and 56.9%, 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. The U.S. Securities and Exchange Commission has issued rules that allowed for a measurement period of up to one year after the enactment date of the Tax Reform Act to finalize the recording of the related tax impacts. Provisional adjustments were recorded in the Company’s consolidated financial statements for the year ended July 31, 2018. No significant adjustments to the provisional amounts recorded during the year ended July 31, 2018, have been recognized for the six months ended January 31, 2019. For further discussion on the impact of the Tax Reform Act, refer to Note 5 “Income Taxes” in the Company's Annual Report on Form 10-K for the year ended July 31, 2018.

Income Taxes

The effective income tax rates for the three and six months ended January 31, 2019, were 20.3% and 21.8%, 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 six months ended January 31, 2019, were lower than the expected income tax rate due to the favorable settlement of a foreign income tax matter, partially offset by an increase in the valuation allowance against foreign tax credit carryforwards.

The effective income tax rates for the three and six months ended January 31, 2018, were 87.8% and 56.9%, 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.

The U.S. Securities and Exchange Commission has issued rules that allowed for a measurement period of up to one year after the enactment date of the Tax Reform Act to finalize the recording of the related tax impacts. Provisional adjustments were recorded in the Company’s consolidated financial statements for the year ended July 31, 2018. No significant adjustments to the provisional amounts recorded during the year ended July 31, 2018, have been recognized for the six months ended January 31, 2019. For further discussion on the impact of the Tax Reform Act, refer to Note 5 “Income Taxes” in the Company's Annual Report on Form 10-K for the year ended July 31, 2018.