Robert Gregory Partners, LLC Acquisition (Schedule Of Assets Acquired Amortized Over Estimated Useful Lives) (Details) - Robert Gregory Partners, LLC [Member] $ in Thousands	9 Months Ended
	May 31, 2017 USD ($)
Acquired Finite-Lived Intangible Assets [Line Items]
Intangible assets acquired	$ 3,787
Estimated Useful Life	8 years
Customer Relationships [Member]
Acquired Finite-Lived Intangible Assets [Line Items]
Intangible assets acquired	$ 2,226
Estimated Useful Life	10 years
Content [Member]
Acquired Finite-Lived Intangible Assets [Line Items]
Intangible assets acquired	$ 461
Estimated Useful Life	5 years
Trademarks/Tradenames [Member]
Acquired Finite-Lived Intangible Assets [Line Items]
Intangible assets acquired	$ 341
Estimated Useful Life	5 years
Non-compete Agreements - Employees [Member]
Acquired Finite-Lived Intangible Assets [Line Items]
Intangible assets acquired	$ 311
Estimated Useful Life	2 years
Contracts [Member]
Acquired Finite-Lived Intangible Assets [Line Items]
Intangible assets acquired	$ 237
Estimated Useful Life	2 years
Coach Relationships [Member]
Acquired Finite-Lived Intangible Assets [Line Items]
Intangible assets acquired	$ 150
Estimated Useful Life	10 years
Coaching Portal [Member]
Acquired Finite-Lived Intangible Assets [Line Items]
Intangible assets acquired	$ 45
Estimated Useful Life	3 years
Non-compete Agreements - Coaches [Member]
Acquired Finite-Lived Intangible Assets [Line Items]
Intangible assets acquired	$ 16
Estimated Useful Life	1 year