Commitments, Contingencies and Guarantees-Obligation Tbl (Details 4) In Thousands, unless otherwise specified	Sep. 28, 2014 USD ($)		Dec. 29, 2013 USD ($)	Sep. 28, 2014 Flash Ventures [Member] USD ($)	Sep. 28, 2014 Flash Ventures [Member] JPY (¥)
Guarantor Obligations
Guarantee of Flash Ventures equipment leases	$ 553,135	[1]	$ 492,000	$ 553,135	¥ 60,400,000

[1] The Company’s guarantee obligation, net of cumulative lease payments, was 60.4 billion Japanese yen, or approximately $553 million based upon the exchange rate at September 28, 2014.