Summary of Significant Accounting Policies Recently Issued Accounting Standards (Details) - USD ($) $ in Thousands	Oct. 31, 2019	Aug. 01, 2019	Jul. 31, 2019	Oct. 31, 2018
Operating Lease, Right-of-Use Asset	$ 229,709	$ 225,600	$ 0	$ 0
Operating Lease, Liability	266,318	258,000
Operating Lease, Liability, Noncurrent	231,182	223,100	0	0
Operating Lease, Liability, Current	35,100	34,900
Other Long Term Liabilities Noncurrent	$ 238,964		$ 283,601	$ 273,566
Unfavorable Lease Obligation Net		$ 32,400