Net Loss Per Share (Details) - USD ($) $ in Thousands	3 Months Ended
	Nov. 30, 2016	Nov. 30, 2015
Earnings Per Share [Abstract]
Loss from continuing operations	$ (655)	$ (4,902)
Net income attributable to noncontrolling interests	(618)	(329)
Loss from continuing operations attributable to SSI	(1,273)	(5,231)
Loss from discontinued operations, net of tax	(53)	(65)
Net loss attributable to SSI	$ (1,326)	$ (5,296)
Computation of shares:
Weighted average common shares outstanding, basic (in shares)	27,372,000	27,121,000
Incremental common shares attributable to dilutive stock options, performance share awards, DSUs, and RSUs (in shares)	0	0
Weighted average common shares outstanding, diluted (in shares)	27,372,000	27,121,000
Antidilutive Securities Excluded from Computation of Earnings Per Share, Amount (in shares)	1,086,335	794,579