Basis Of Presentation (Narrative) (Details) - USD ($) $ in Thousands		Nov. 30, 2019	Sep. 01, 2019
New Accounting Pronouncements or Change in Accounting Principle [Line Items]
Operating lease assets		$ 59,385
Operating lease liabilities	[1]	$ 59,016
Restatement Adjustment [Member] | Accounting Standards Update 2016-02 [Member]
New Accounting Pronouncements or Change in Accounting Principle [Line Items]
Operating lease assets			$ 61,212
Operating lease liabilities			$ 60,730

[1] Includes the current portion of $21,039 for operating leases and $1,190 for finance leases