Share Repurchases	12 Months Ended
Jul. 31, 2020
Share Repurchases [Abstract]
Share Repurchases	9. Share Repurchases Subject to a maximum amount approved by the Company’s Board of Directors and the limits imposed by its credit facility, the Company was authorized to repurchase shares at management’s discretion in 2020, 2019 and 2018. In 2019 and 2018, the Company’s Board of Directors approved share repurchase authorizations up to a maximum of $25,000. Additionally, in the fourth quarter of 2019, the Company’s Board of Directors increased the share repurchase authorization to $50,000. In the third quarter of 2020, the Company’s Board of Directors approved the repurchase of up to an additional $25,000. This authorization was effective immediately and replaced the $50,000 share repurchase authorization which had been expended. In response to the COVID-19 pandemic, however, the Company temporarily suspended all share repurchases. In 2020, the Company repurchased 378,974 shares of its common stock in the open market at an aggregate cost of $55,007. The Company did not repurchase any shares of its common stock in 2019. In 2018, the Company repurchased 100,000 shares of its common stock in the open market at an aggregate cost of $14,772.

Subject to a maximum amount approved by the Company’s Board of Directors and the limits imposed by its credit facility, the Company was authorized to repurchase shares at management’s discretion in 2020, 2019 and 2018. In 2019 and 2018, the Company’s Board of Directors approved share repurchase authorizations up to a maximum of $25,000. Additionally, in the fourth quarter of 2019, the Company’s Board of Directors increased the share repurchase authorization to $50,000. In the third quarter of 2020, the Company’s Board of Directors approved the repurchase of up to an additional $25,000. This authorization was effective immediately and replaced the $50,000 share repurchase authorization which had been expended. In response to the COVID-19 pandemic, however, the Company temporarily suspended all share repurchases. In 2020, the Company repurchased 378,974 shares of its common stock in the open market at an aggregate cost of $55,007. The Company did not repurchase any shares of its common stock in 2019. In 2018, the Company repurchased 100,000 shares of its common stock in the open market at an aggregate cost of $14,772.