Leases - Future Minimum Annual Rental Commitments Under Non-Cancelable Operating Leases and Capital Leases (Detail) $ in Thousands	Aug. 31, 2019 USD ($)
Leases [Abstract]
2020	$ 315,424
2021	302,056
2022	281,287
2023	252,868
2024	221,213
Thereafter	824,244
Total minimum payments required	2,197,092
2020	56,246
2021	51,679
2022	39,094
2023	28,401
2024	7,300
Thereafter	0
Total minimum payments required	182,720
Less: Interest	(2,815)
Present value of minimum capital lease payments	$ 179,905