Commitments, Contingencies and Guarantees-JV Leases (Details 1) $ in Thousands, ¥ in Billions	Apr. 03, 2016 JPY (¥)	Apr. 03, 2016 USD ($)		Jan. 03, 2016 USD ($)
Company's portion of the remaining guarantee obligations under each of Flash Ventures' master lease facilities
Guarantee of Flash Ventures equipment leases (1)		$ 984,481	[1]	$ 766,000
Flash Partners Ltd [Member]
Company's portion of the remaining guarantee obligations under each of Flash Ventures' master lease facilities
Guarantee of Flash Ventures equipment leases (1)	¥ 15.2	136,291
Flash Partners Ltd [Member] | FPL Master Lease Agreement, 2014-03 [Member]
Company's portion of the remaining guarantee obligations under each of Flash Ventures' master lease facilities
Guarantee of Flash Ventures equipment leases (1)	3.0	27,047
Flash Partners Ltd [Member] | FPL Master Lease Agreement, 2016-02 [Member]
Company's portion of the remaining guarantee obligations under each of Flash Ventures' master lease facilities
Guarantee of Flash Ventures equipment leases (1)	9.8	87,759
Flash Partners Ltd [Member] | FFL Master Lease Agreement, 2014-12 [Member]
Company's portion of the remaining guarantee obligations under each of Flash Ventures' master lease facilities
Guarantee of Flash Ventures equipment leases (1)	2.4	21,485
Flash Alliance Ltd [Member]
Company's portion of the remaining guarantee obligations under each of Flash Ventures' master lease facilities
Guarantee of Flash Ventures equipment leases (1)	45.8	408,839
Flash Alliance Ltd [Member] | FAL Master Lease Agreement, 2012-03 [Member]
Company's portion of the remaining guarantee obligations under each of Flash Ventures' master lease facilities
Guarantee of Flash Ventures equipment leases (1)	2.8	24,683
Flash Alliance Ltd [Member] | FAL Master Lease Agreement, 2012-07 [Member]
Company's portion of the remaining guarantee obligations under each of Flash Ventures' master lease facilities
Guarantee of Flash Ventures equipment leases (1)	4.4	39,213
Flash Alliance Ltd [Member] | FAL Master Lease Agreement, 2014-03 [Member]
Company's portion of the remaining guarantee obligations under each of Flash Ventures' master lease facilities
Guarantee of Flash Ventures equipment leases (1)	3.1	27,502
Flash Alliance Ltd [Member] | FAL Master Lease Agreement, 2014-05 [Member]
Company's portion of the remaining guarantee obligations under each of Flash Ventures' master lease facilities
Guarantee of Flash Ventures equipment leases (1)	4.0	36,008
Flash Alliance Ltd [Member] | FAL Master Lease Agreement, 2014-08 [Member]
Company's portion of the remaining guarantee obligations under each of Flash Ventures' master lease facilities
Guarantee of Flash Ventures equipment leases (1)	4.4	40,269
Flash Alliance Ltd [Member] | FAL Master Lease Agreement, 2014-12 [Member]
Company's portion of the remaining guarantee obligations under each of Flash Ventures' master lease facilities
Guarantee of Flash Ventures equipment leases (1)	3.7	33,108
Flash Alliance Ltd [Member] | FAL Master Lease Agreement, 2015-03 [Member]
Company's portion of the remaining guarantee obligations under each of Flash Ventures' master lease facilities
Guarantee of Flash Ventures equipment leases (1)	7.8	69,879
Flash Alliance Ltd [Member] | FAL Master Lease Agreement, 2015-06 [Member]
Company's portion of the remaining guarantee obligations under each of Flash Ventures' master lease facilities
Guarantee of Flash Ventures equipment leases (1)	6.0	53,263
Flash Alliance Ltd [Member] | FAL Master Lease Agreement, 2015-08 [Member]
Company's portion of the remaining guarantee obligations under each of Flash Ventures' master lease facilities
Guarantee of Flash Ventures equipment leases (1)	4.1	36,180
Flash Alliance Ltd [Member] | FAL Master Lease Agreement, 2015-09 [Member]
Company's portion of the remaining guarantee obligations under each of Flash Ventures' master lease facilities
Guarantee of Flash Ventures equipment leases (1)	3.6	31,844
Flash Alliance Ltd [Member] | FAL Master Lease Agreement, 2015-12 [Member]
Company's portion of the remaining guarantee obligations under each of Flash Ventures' master lease facilities
Guarantee of Flash Ventures equipment leases (1)	1.9	16,890
Flash Forward Ltd [Member]
Company's portion of the remaining guarantee obligations under each of Flash Ventures' master lease facilities
Guarantee of Flash Ventures equipment leases (1)	49.3	439,351
Flash Forward Ltd [Member] | FFL Master Lease Agreement, 2011-11 [Member]
Company's portion of the remaining guarantee obligations under each of Flash Ventures' master lease facilities
Guarantee of Flash Ventures equipment leases (1)	4.4	39,172
Flash Forward Ltd [Member] | FFL Master Lease Agreement, 2012-03 [Member]
Company's portion of the remaining guarantee obligations under each of Flash Ventures' master lease facilities
Guarantee of Flash Ventures equipment leases (1)	2.5	22,649
Flash Forward Ltd [Member] | FFL Master Lease Agreement, 2012-07 [Member]
Company's portion of the remaining guarantee obligations under each of Flash Ventures' master lease facilities
Guarantee of Flash Ventures equipment leases (1)	1.1	9,382
Flash Forward Ltd [Member] | FFL Master Lease Agreement, 2014-12 [Member]
Company's portion of the remaining guarantee obligations under each of Flash Ventures' master lease facilities
Guarantee of Flash Ventures equipment leases (1)	3.8	33,637
Flash Forward Ltd [Member] | FFL Master Lease Agreement, 2015-06 [Member]
Company's portion of the remaining guarantee obligations under each of Flash Ventures' master lease facilities
Guarantee of Flash Ventures equipment leases (1)	4.2	37,845
Flash Forward Ltd [Member] | FFL Master Lease Agreement, 2015-08 [Member]
Company's portion of the remaining guarantee obligations under each of Flash Ventures' master lease facilities
Guarantee of Flash Ventures equipment leases (1)	6.8	60,207
Flash Forward Ltd [Member] | FFL Master Lease Agreement, 2015-09 [Member]
Company's portion of the remaining guarantee obligations under each of Flash Ventures' master lease facilities
Guarantee of Flash Ventures equipment leases (1)	2.2	19,937
Flash Forward Ltd [Member] | FFL Master Lease Agreement, 2015-12 [Member]
Company's portion of the remaining guarantee obligations under each of Flash Ventures' master lease facilities
Guarantee of Flash Ventures equipment leases (1)	9.5	84,320
Flash Forward Ltd [Member] | FFL Master Lease Agreement, 2016-02 [Member]
Company's portion of the remaining guarantee obligations under each of Flash Ventures' master lease facilities
Guarantee of Flash Ventures equipment leases (1)	9.8	87,600
Flash Forward Ltd [Member] | FFL Master Lease Agreement, 2016-03 [Member]
Company's portion of the remaining guarantee obligations under each of Flash Ventures' master lease facilities
Guarantee of Flash Ventures equipment leases (1)	5.0	44,602
Flash Ventures [Member]
Company's portion of the remaining guarantee obligations under each of Flash Ventures' master lease facilities
Guarantee of Flash Ventures equipment leases (1)	¥ 110.3	$ 984,481

[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.