Goodwill and Intangible Assets (Details Textual) (USD $)	12 Months Ended			3 Months Ended
	Dec. 29, 2013	Dec. 30, 2012	Jan. 01, 2012	Dec. 29, 2013 Pliant Technology Inc. [Member]	Sep. 29, 2013 Pliant Technology Inc. [Member]	Dec. 29, 2013 SMART Storage Systems (Global Holdings), Inc. [Member]
Goodwill and Finited-lived Intangible Assets
Adjustment	$ 601,000
Goodwill, Acquired During Period	115,775,000
Finite-Lived Intangible Assets
In-process Research & Development Reclassified to Developed Product Technology	1,300,000
Amortization of acquisition-related intangible assets	84,300,000	76,500,000	65,500,000
Indefinite-Lived Intangible Assets (Excluding Goodwill)
Indefinite-Lived Intangible Assets (Excluding Goodwill)						168,500,000
Impairment of Intangible Assets, Finite-lived					47,000,000
Impairment of Intangible Assets, Indefinite-lived (Excluding Goodwill)		860,000			36,200,000
Impairment of acquisition-related intangible assets	83,228,000	860,000	0		83,200,000
Intangible Assets, Net (Excluding Goodwill)	$ 247,904,000	$ 246,919,000
Finite-Lived Intangible Asset, Useful Life (months)				1 year 0 months