CONSOLIDATED STATEMENTS OF STOCKHOLDERS' EQUITY - USD ($) shares in Thousands, $ in Thousands	Total	Common Stock	Additional Paid-In Capital	Accumulated Other Comprehensive Income	Accumulated Deficit
Balance (in shares) at Jun. 28, 2014		107,779
Balance at Jun. 28, 2014	$ 207,928	$ 1,077	$ 1,458,487	$ 45,864	$ (1,297,500)
Increase (Decrease) in Stockholders' Equity [Roll Forward]
Issuance of shares related to share awards and restricted stock units (in shares)		2,085
Issuance of common stock related to share awards and restricted stock units	$ (2)	$ 21	(23)
Issuance of shares upon the exercise of common stock options (in shares)	25	25
Issuance of shares upon the exercise of common stock options	$ 43	$ 1	42
Stock-based compensation	6,061		6,061
Other comprehensive gain (loss)	(4,338)			(4,338)
Net income (loss)	(56,692)				(56,692)
Balance (in shares) at Jun. 27, 2015		109,889
Balance at Jun. 27, 2015	153,000	$ 1,099	1,464,567	41,526	(1,354,192)
Increase (Decrease) in Stockholders' Equity [Roll Forward]
Issuance of shares related to share awards and restricted stock units (in shares)		2,212
Issuance of common stock related to share awards and restricted stock units	22	$ 22
Common stock repurchased for tax withholdings on vesting of restricted stock units	$ (1,640)		(1,640)
Issuance of shares upon the exercise of common stock options (in shares)	110	106
Issuance of shares upon the exercise of common stock options	$ 265	$ 1	264
Stock-based compensation	8,089		8,089
Other comprehensive gain (loss)	(1,705)			(1,705)
Net income (loss)	8,580				8,580
Balance (in shares) at Jul. 02, 2016		112,207
Balance at Jul. 02, 2016	166,611	$ 1,122	1,471,280	39,821	(1,345,612)
Increase (Decrease) in Stockholders' Equity [Roll Forward]
Issuance of shares related to share awards and restricted stock units (in shares)		2,504
Issuance of common stock related to share awards and restricted stock units	25	$ 25
Common stock repurchased for tax withholdings on vesting of restricted stock units	$ (4,426)		(4,426)
Issuance of shares upon the exercise of common stock options (in shares)	1,029	1,018
Issuance of shares upon the exercise of common stock options	$ 4,873	$ 10	4,863
Issuance of common stock in connection with public offering (in shares)		17,250
Issuance of common stock in connection with public offering	135,153	$ 173	134,980
Issuance of common shares in connection with conversion of convertible notes (in shares)		34,660
Issuance of common stock in connection with exchange of convertible notes	70,622	$ 346	70,276
Stock-based compensation	11,804		11,804
Other comprehensive gain (loss)	1,152			1,152
Net income (loss)	127,859				127,859
Balance (in shares) at Jul. 01, 2017		167,639
Balance at Jul. 01, 2017	$ 513,673	$ 1,676	$ 1,688,777	$ 40,973	$ (1,217,753)