Commitments, Contingencies and Guarantees-JV Lease Amounts (Details 2) $ in Thousands, ¥ in Billions	Apr. 03, 2016 JPY (¥)	Apr. 03, 2016 USD ($)		Jan. 03, 2016 USD ($)
Remaining guarantee obligations
Guarantee of Flash Ventures equipment leases		$ 984,481	[1]	$ 766,000
Flash Ventures [Member]
Remaining guarantee obligations
Year 1		300,813
Year 2		210,980
Year 3		191,146
Year 4		157,681
Year 5		123,861
Guarantee of Flash Ventures equipment leases	¥ 110.3	984,481
Payment of Principal Amortization [Member] | Flash Ventures [Member]
Remaining guarantee obligations
Year 1		249,406
Year 2		188,937
Year 3		156,281
Year 4		104,591
Year 5		41,387
Guarantee of Flash Ventures equipment leases		740,602
Purchase Option Exercise Price at Final Lease Terms [Member] | Flash Ventures [Member]
Remaining guarantee obligations
Year 1		51,407
Year 2		22,043
Year 3		34,865
Year 4		53,090
Year 5		82,474
Guarantee of Flash Ventures equipment leases		$ 243,879

[1] The Company’s guarantee obligation, net of cumulative lease payments, was 110.3 billion Japanese yen, or approximately $984 million based upon the exchange rate at April 3, 2016.