Net Income (Loss) per Share - Schedule of Basic and Diluted Net Income (Loss) per Ordinary Share (Details) - USD ($) $ / shares in Units, shares in Thousands, $ in Thousands	3 Months Ended		9 Months Ended
	May 26, 2017	May 27, 2016	May 26, 2017	May 27, 2016
Numerator:
Net income (loss)	$ 7,958	$ (1,345)	$ 2,414	$ (18,499)
Denominator:
Weighted average ordinary shares, basic	13,986	13,832	13,909	14,147
Weighted average ordinary shares equivalent from stock options, awards and warrants	1,969		1,321
Weighted average ordinary shares and ordinary share equivalents outstanding, diluted	15,955	13,832	15,230	14,147
Basic income (loss) per share	$ 0.57	$ (0.10)	$ 0.17	$ (1.31)
Diluted income (loss) per share	$ 0.50	$ (0.10)	$ 0.16	$ (1.31)
Anti-dilutive weighted shares excluded from the computation of diluted net income (loss) per share	1,359	2,260	1,226	2,300