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Income Taxes (Details 1) - USD ($)
$ in Thousands
12 Months Ended
Nov. 27, 2015
Nov. 28, 2014
Deferred tax assets:    
Acquired technology $ 9,071 $ 9,477
Reserves and accruals 33,251 46,569
Deferred revenue 17,110 16,311
Unrealized losses on investments 5,505 6,723
Stock-based compensation 59,103 58,501
Net operating loss of acquired companies 20,877 9,082
Credit carryforwards 57,568 41,419
Capitalized expenses 17,566 0
Benefits relating to tax positions 43,095 9,540
Other 20,648 10,974
Total gross deferred tax assets 283,794 208,596
Deferred Tax Assets, Valuation Allowance (21,286) (22,100)
Total deferred tax assets 262,508 186,496
Deferred tax liabilities:    
Depreciation and amortization 62,143 73,295
Undistributed earnings of foreign subsidiaries 249,159 221,845
Acquired intangible assets 159,415 138,392
Total deferred tax liabilities 470,717 433,532
Net deferred tax liabilities 208,209 247,036
Aggregate changes in total gross amount of unrecognized tax benefits [Abstract]    
Beginning balance 148,848 136,098
Gross increases in unrecognized tax benefits - prior year tax positions 3,784 144
Gross increases in unrecognized tax benefits - current year tax positions 129,358 18,877
Settlements with taxing authorities (11,548) (995)
Lapse of statute of limitations (2,687) (1,630)
Foreign exchange gains and losses (9,037) (3,646)
Ending balance 258,718 $ 148,848
Combined amount of accrued interest and penalties related to tax positions $ 27,800