The Company and Summary of Significant Accounting Policies (Details) - USD ($)	12 Months Ended
	Dec. 31, 2017	Jan. 01, 2017	Jan. 03, 2016	Jun. 30, 2013	May 31, 2013
Concentration Risk [Line Items]
Advertising Cost, Policy, Expensed Advertising Cost [Policy Text Block]	6.3	24.9	23.4
Debt instrument, face value	$ 1,621,766,000	$ 1,650,094,000
CumulativeEffectUponAdoptionofASU2016-16	61,000,000
CumulativeEffectUponAdoptionofASU2016-09		15,700,000
Equity Method Investments	$ 15,515,000	6,931,000
Operating lease, term	20 years
Sale leaseback transactions, lease term	25 years
Capital leases, maximum term	20 years
Minimum [Member]
Concentration Risk [Line Items]
Cumulative Effect on Retained Earnings, Net of Tax	$ 460,000,000
Maximum [Member]
Concentration Risk [Line Items]
Cumulative Effect on Retained Earnings, Net of Tax	500,000,000
8Point3 Energy [Member]
Concentration Risk [Line Items]
Equity Method Investments	82,800,000	(60,600,000)
Prepaid Expenses and Other Current Assets [Member]
Concentration Risk [Line Items]
CumulativeEffectUponAdoptionofASU2016-16	4,900,000
Other Noncurrent Assets [Member]
Concentration Risk [Line Items]
CumulativeEffectUponAdoptionofASU2016-16	56,100,000
0.75% debentures due 2018 [Member]
Concentration Risk [Line Items]
Debt instrument, face value	300,000,000	300,000,000			$ 300,000,000
Debt Instrument, Convertible, Conversion Price				$ 24.95	$ 24.95
Convertible Debt [Member]
Concentration Risk [Line Items]
Debt instrument, face value	1,125,000,000	1,125,000,000
Convertible Debt [Member] | 0.75% debentures due 2018 [Member]
Concentration Risk [Line Items]
Debt instrument, face value	300,000,000	$ 300,000,000
Total [Member] | 0.75% debentures due 2018 [Member]
Concentration Risk [Line Items]
Debt instrument, face value	200,000,000
Credit Agricole [Member] | Line of Credit [Member] | June 2017 Credit Agricole Syndicated Revolver [Member] [Domain]
Concentration Risk [Line Items]
Line of Credit Facility, Maximum Borrowing Capacity	$ 95,000,000