Stock Compensation Plans and Stock Based Compensation (Details 10) In Thousands, unless otherwise specified	Jan. 03, 2015
Common stock reserved for future issuance
Common stock reserved for future issuance	81,142
Employee equity incentive plans [Member]
Common stock reserved for future issuance
Common stock reserved for future issuance	24,340	[1]
2015 Warrants [Member]
Common stock reserved for future issuance
Common stock reserved for future issuance	46,382
Employee stock purchase plans [Member]
Common stock reserved for future issuance
Common stock reserved for future issuance	8,180
Directors stock option plans [Member]
Common stock reserved for future issuance
Common stock reserved for future issuance	2,240	[1]

[1] Includes shares reserved for: (i) issuance upon exercise of future option grants, (ii) issuance upon vesting of future restricted stock grants, (iii) outstanding but unexercised options to purchase common stock, or (iv) unvested restricted stock units.