Net Income (Loss) Per Share (Details) (USD $) In Thousands, except Share data, unless otherwise specified	3 Months Ended												12 Months Ended
	Mar. 30, 2014		Dec. 29, 2013		Sep. 29, 2013		Jun. 30, 2013	Mar. 31, 2013		Dec. 30, 2012	Sep. 30, 2012	Jul. 01, 2012	Mar. 30, 2014	Mar. 31, 2013	Apr. 01, 2012
Numerator (basic and diluted):
Net income from continuing operations	$ 5,062	[1]	$ 17,339	[2]	$ 87,411	[3]	$ 1,501	$ (5,469)	[4]	$ (106)	$ 4,656	$ 3,630	$ 111,313	$ 2,711	$ 37,953
Denominator:
Weighted average common shares outstanding, basic (in shares)													149,480,000	144,014,000	143,958,000
Dilutive effect of employee stock options and restricted stock units (in shares)													3,889,000	1,664,000	1,890,000
Weighted average common shares outstanding, diluted (in shares)													153,369,000	145,678,000	145,848,000
Basic net income per share - continuing operations (in dollars per share)	$ 0.03	[1]	$ 0.11	[2]	$ 0.58	[3]	$ 0.01	$ (0.04)	[4]	$ 0.00	$ 0.03	$ 0.03	$ 0.74	$ 0.02	$ 0.26
Diluted net income per share - continuing operations (in dollars per share)	$ 0.03	[1]	$ 0.11	[2]	$ 0.57	[3]	$ 0.01	$ (0.04)	[4]	$ 0.00	$ 0.03	$ 0.03	$ 0.73	$ 0.02	$ 0.26
Shares excluded from calculation because they were anti-dilutive (in shares)													1,500,000	12,000,000	11,100,000

[1] In the fourth quarter of fiscal 2014, associated with the decision to discontinue production and sale of products using technology attained through the acquisitions of Mobius Microsystems in fiscal 2010 and IKOR in fiscal 2011, the Company recorded an additional $8.7 million in accelerated amortization of intangible assets which was charged to cost of revenues. In addition, the Company recorded a $2.4 million impairment of IPR&D to research and development expense, associated with the decision to discontinue further development required to complete the Mobius Microsystems acquired IPR&D.

[2] In the third quarter of fiscal 2014, the Company recorded a loss of $3.4 million in net loss from continuing operations related to the divestiture of certain assets of its Audio business to Stravelis, Inc.

[3] In the second quarter of fiscal 2014, the Company recorded a gain of $82.3 million in net income from continuing operations related to the divestiture of its PCI Express enterprise flash controller business to PMC-Sierra, Inc.

[4] In the fourth quarter of fiscal 2013, the Company recorded a gain of $8.0 million in net income from continuing operations related to the divestiture of its smart meter business.