Fair Value Measurements (Tables)

6 Months Ended

Feb. 28, 2017

Fair Value Measurements

Schedule of financial assets that were accounted for at fair value on a recurring basis

				Fair value measurement category
				Quoted prices		Significant other	Significant
	Fair value			in active markets		observable inputs	unobservable inputs
	measurement date	Total		(Level 1)		(Level 2)	(Level 3)
Assets:
Restricted investments	February 28, 2017	$	1,818	$	1,787	31	—
Restricted investments	August 31, 2016	$	1,637	$	1,610	27	—

Schedule of fair values of the Company's long-term debt

				Fair value measurement category
				Quoted prices		Significant other	Significant
	Fair value			in active markets		observable inputs	unobservable inputs
	measurement date	Total		(Level 1)		(Level 2)	(Level 3)
Liabilities:
Long-term debt	February 28, 2017	$	25,000	$	—	25,000	—
Long-term debt	August 31, 2016	$	43,400	$	—	43,400	—