Business Acquisition (Details Textuals) (USD $)	3 Months Ended	9 Months Ended			3 Months Ended			9 Months Ended	3 Months Ended		9 Months Ended		3 Months Ended	9 Months Ended	3 Months Ended
	Sep. 28, 2014	Sep. 28, 2014	Sep. 29, 2013	Jul. 23, 2014	Sep. 28, 2014 Fusion-io Inc [Member]	Sep. 28, 2014 Fusion-io Inc [Member] Direct Acquisition Cost [Member]	Jun. 29, 2014 Fusion-io Inc [Member] Direct Acquisition Cost [Member]	Sep. 28, 2014 Fusion-io Inc [Member] Direct Acquisition Cost [Member]	Sep. 28, 2014 Employee Stock Option [Member]	Sep. 29, 2013 Employee Stock Option [Member]	Sep. 28, 2014 Employee Stock Option [Member]	Sep. 29, 2013 Employee Stock Option [Member]	Sep. 28, 2014 Employee Stock Option [Member] Fusion-io Inc [Member]	Sep. 28, 2014 Restricted Stock Units (RSUs) [Member]	Sep. 28, 2014 Restricted Stock Units (RSUs) [Member] Fusion-io Inc [Member]	Sep. 28, 2014 Developed product technology [Member] Fusion-io Inc [Member]	Sep. 28, 2014 Trademarks and Trade Names [Member] Fusion-io Inc [Member]	Sep. 28, 2014 Customer Relationships [Member] Fusion-io Inc [Member]
Business Acquisition
Name of acquired entity					Fusion‑io, Inc.
Effective date of acquisition agreement					Jul. 23, 2014
Percentage acquired in business combination					100.00%
Description of acquired entity					a leading developer of flash-based PCIe hardware and software solutions that enhance application performance in enterprise and hyperscale data centers
Description of primary reason for business combination					The Company expects this acquisition to accelerate its efforts to enable the flash-transformed data center, helping companies better manage increasingly heavy data workloads at a lower total cost of ownership.
Business Combination, Consideration Transferred					$ 1,263,543,000
Business Combination, Consideration Transferred		1,063,798,000	304,320,000		1,070,000,000
Business Acquisition, Share Price					$ 11.25
Business Acquisition, Equity Interest Issued or Issuable, Number of Shares											427,000		427,388	445,000	445,072
Weighted Average Grant Date Fair Value					$ 35.02				$ 21.76	$ 14.66	$ 18.84	$ 16.26
Share Price	$ 99.21	$ 99.21		$ 94.35
Equity Issued in Business Combination, Fair Value Disclosure					49,900,000
Weighted-Average amortization period of intangible assets (in years)					4 years 6 months											5 years 0 months	5 years 0 months	1 year 6 months
Business Acquisition, Transaction Costs
Business Acquisition, Transaction Costs	$ 14,926,000	$ 14,926,000				$ 8,900,000	$ 2,600,000	$ 11,500,000