Earnings Per Share (Details) (USD $) In Thousands, except Per Share data, unless otherwise specified	3 Months Ended		6 Months Ended
	Dec. 28, 2012	Dec. 30, 2011	Dec. 28, 2012	Dec. 30, 2011
Numerator:
Net income (loss)	$ 1,101	$ (2,256)	$ (7,579)	$ (4,913)
Denominator:
Weighted-average common shares - basic (in shares)	32,410	31,604	32,289	31,448
Effect of dilutive potential common shares (in shares)	368	0	0	0
Weighted-average common shares - diluted (in shares)	32,778	31,604	32,289	31,448
Basic net income (loss) per share (USD per share)	$ 0.03	$ (0.07)	$ (0.23)	$ (0.16)
Diluted net income (loss) per share (USD per share)	$ 0.03	$ (0.07)	$ (0.23)	$ (0.16)
Potentially dilutive securities	4,657	4,172	5,068	4,321