CONSOLIDATED STATEMENTS OF STOCKHOLDERS' EQUITY (USD $) In Thousands, unless otherwise specified	Total	Common Stock	Additional Paid-In Capital	Accumulated Other Comprehensive Income	Accumulated Deficit
Balance at Jul. 02, 2011	$ 229,095	$ 505	$ 1,313,931	$ 40,730	$ (1,126,071)
Balance (in shares) at Jul. 02, 2011		50,476
Increase (Decrease) in Stockholders' Equity [Roll Forward]
Issuance of shares related to share awards and restricted stock units (in shares)		343
Issuance of shares related to share awards and restricted stock units	(179)	3	(182)
Issuance of shares upon the exercise of common stock options (in shares)	45	45
Issuance of shares upon the exercise of common stock options	96	0	96
Transfer of escrow shares to former Xtellus stockholders	7,000		7,000
Shares returned from escrow account (in shares)		(122)
Shares returned from escrow account	0	(1)	1
Shares issued in connection with acquisitions (in shares)		769
Shares issued in connection with acquisitions	2,758	8	2,750
Stock-based compensation	6,576		6,576
Warrants issued in connection with notes	0
Other comprehensive gain (loss)	(11,192)			(11,192)
Net income (loss)	(66,503)				(66,503)
Balance at Jun. 30, 2012	167,651	515	1,330,172	29,538	(1,192,574)
Balance (in shares) at Jun. 30, 2012		51,511
Increase (Decrease) in Stockholders' Equity [Roll Forward]
Issuance of shares related to share awards and restricted stock units (in shares)		1,697
Issuance of shares related to share awards and restricted stock units	(66)	17	(83)
Issuance of shares upon the exercise of common stock options (in shares)	6	6
Issuance of shares upon the exercise of common stock options	3	0	3
Issuance of shares in connection with the employee stock purchase plan (in shares)	1,100	1,135
Issuance of shares in connection with the employee stock purchase plan	1,710	11	1,699
Shares issued in connection with acquisitions (in shares)		38,416
Shares issued in connection with acquisitions	89,842	385	89,457
Stock-based compensation	7,240		7,240
Warrants issued in connection with notes	667		667
Other comprehensive gain (loss)	9,830			9,830
Net income (loss)	(122,745)				(122,745)
Balance at Jun. 29, 2013	154,132	928	1,429,155	39,368	(1,315,319)
Balance (in shares) at Jun. 29, 2013		92,765
Increase (Decrease) in Stockholders' Equity [Roll Forward]
Issuance of shares related to share awards and restricted stock units (in shares)		338
Issuance of shares related to share awards and restricted stock units	(215)	3	(218)
Issuance of shares upon the exercise of common stock options (in shares)	155	155
Issuance of shares upon the exercise of common stock options	159	1	158
Issuance of shares in connection with exercise of warrants (in shares)		978
Issuance of shares in connection with exercise of warrants	10	10
Issuance of shares in connection with conversion of convertible notes, net of adjustments for unamortized issuance and discount costs (in shares)		13,543
Issuance of shares in connection with conversion of convertible notes, net of adjustments for unamortized issuance and discount costs	23,118	135	22,983
Stock-based compensation	6,409		6,409
Warrants issued in connection with notes	0
Other comprehensive gain (loss)	6,496			6,496
Net income (loss)	17,819				17,819
Balance at Jun. 28, 2014	$ 207,928	$ 1,077	$ 1,458,487	$ 45,864	$ (1,297,500)
Balance (in shares) at Jun. 28, 2014		107,779