Income Taxes (Schedule of Deferred Tax Assets and Deferred Tax Liabilities) (Details) (USD $) In Thousands, unless otherwise specified	Jan. 03, 2015	Dec. 28, 2013
Deferred tax assets:
Accrued expenses	$ 25,398	$ 22,948
Tax credits and separate return net operating losses	28,953	25,612
Share based compensation	58,271	44,856
Contract and service revenues and costs	0us-gaap_DeferredTaxAssetsDeferredIncome	65,407us-gaap_DeferredTaxAssetsDeferredIncome
Other	10,347us-gaap_DeferredTaxAssetsOther	12,529us-gaap_DeferredTaxAssetsOther
Deferred Tax Assets, Gross	122,969us-gaap_DeferredTaxAssetsGross	171,352us-gaap_DeferredTaxAssetsGross
Deferred Tax Assets, Valuation Allowance	(776)	(896)
Total deferred tax assets	122,193us-gaap_DeferredTaxAssetsNet	170,456us-gaap_DeferredTaxAssetsNet
Deferred tax liabilities:
Software development costs	(163,938)	(130,583)
Depreciation and amortization	(129,684)	(113,492)
Contract and service revenues and costs	(7,511)	0
Other	(3,625)us-gaap_DeferredTaxLiabilitiesOther	(2,859)us-gaap_DeferredTaxLiabilitiesOther
Total deferred tax liabilities	(304,758)us-gaap_DeferredIncomeTaxLiabilities	(246,934)us-gaap_DeferredIncomeTaxLiabilities
Net deferred tax liability	$ (182,565)us-gaap_DeferredTaxLiabilities	$ (76,478)us-gaap_DeferredTaxLiabilities

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