Commitments, Contingencies and Guarantees (Details 1) In Thousands, unless otherwise specified			12 Months Ended
	Jan. 01, 2012 USD ($)	Jan. 01, 2012 JPY (¥)	Jan. 01, 2012 Flash Alliance Ltd [Member] USD ($)	Jan. 01, 2012 Flash Alliance Ltd [Member] JPY (¥)	Jan. 01, 2012 Flash Alliance Ltd [Member] FAL Master Lease Agreement, 2007-11 [Member] USD ($)	Jan. 01, 2012 Flash Alliance Ltd [Member] FAL Master Lease Agreement, 2007-11 [Member] JPY (¥)	Jan. 01, 2012 Flash Alliance Ltd [Member] FAL Master Lease Agreement, 2008-06 [Member] USD ($)	Jan. 01, 2012 Flash Alliance Ltd [Member] FAL Master Lease Agreement, 2008-06 [Member] JPY (¥)	Jan. 01, 2012 Flash Partners Ltd [Member] USD ($)	Jan. 01, 2012 Flash Partners Ltd [Member] JPY (¥)	Jan. 01, 2012 Flash Partners Ltd [Member] FPL Master Lease Agreement, 2007-03 [Member] USD ($)	Jan. 01, 2012 Flash Partners Ltd [Member] FPL Master Lease Agreement, 2007-03 [Member] JPY (¥)	Jan. 01, 2012 Flash Partners Ltd [Member] FPL Master Lease Agreement, 2008-02 [Member] USD ($)	Jan. 01, 2012 Flash Partners Ltd [Member] FPL Master Lease Agreement, 2008-02 [Member] JPY (¥)	Jan. 01, 2012 Flash Partners Ltd [Member] FPL Master Lease Agreement, 2010-04 [Member] USD ($)	Jan. 01, 2012 Flash Partners Ltd [Member] FPL Master Lease Agreement, 2010-04 [Member] JPY (¥)	Jan. 01, 2012 Flash Partners Ltd [Member] FPL Master Lease Agreement, 2011-01 [Member] USD ($)	Jan. 01, 2012 Flash Partners Ltd [Member] FPL Master Lease Agreement, 2011-01 [Member] JPY (¥)	Jan. 01, 2012 Flash Partners Ltd [Member] FPL Master Lease Agreement, 2011-11 [Member] USD ($)	Jan. 01, 2012 Flash Partners Ltd [Member] FPL Master Lease Agreement, 2011-11 [Member] JPY (¥)	Jan. 01, 2012 Flash Forward Ltd [Member] USD ($)	Jan. 01, 2012 Flash Forward Ltd [Member] JPY (¥)	Jan. 01, 2012 Flash Forward Ltd [Member] FFL Master Lease Agreement, 2011-11 [Member] USD ($)	Jan. 01, 2012 Flash Forward Ltd [Member] FFL Master Lease Agreement, 2011-11 [Member] JPY (¥)
Company's portion of the remaining guarantee obligations under each of Flash Ventures' master lease facilities
Lease Agreement Type					Original	Original	Original	Original			Original	Original	Original	Original	Refinanced	Refinanced	Refinanced	Refinanced	Refinanced	Refinanced			Original	Original
Guarantee of Flash Ventures equipment leases	$ 731,662	¥ 56,500,000	$ 331,171	¥ 25,600,000	$ 139,049	¥ 10,700,000	$ 192,122	¥ 14,900,000	$ 296,823	¥ 22,900,000	$ 65,694	¥ 5,000,000	$ 25,783	¥ 2,000,000	$ 32,584	¥ 2,500,000	$ 56,280	¥ 4,400,000	$ 116,482	¥ 9,000,000	$ 104,000	¥ 8,000,000	$ 103,668	¥ 8,000,000
Lease Expiration (year)			2013	2013	2013	2013	2013	2013	2014	2014	2012	2012	2013	2013	2014	2014	2014	2014	2014	2014	2016	2016	2016	2016