Income Taxes - Deferred Tax Assets (Details) - USD ($) $ in Thousands	Jan. 30, 2021	Feb. 01, 2020
Deferred tax assets:
Net operating losses	$ 78,253	$ 105,925
Federal and California income tax credits	713,799	631,805
Intangible assets	629,290	632,537
Reserves and accruals	69,654	22,719
Share-based compensation	4,798	4,117
Lease liabilities	28,176	32,120
Gross deferred tax assets	1,523,970	1,429,223
Valuation allowance	(749,468)	(676,780)
Total deferred tax assets	774,502	752,443
Deferred tax liabilities:
Intangible assets	(50,557)	(69,771)
Fixed assets	(27,549)	(27,540)
Unremitted earnings of non-U.S. subsidiaries	(20,173)	(21,284)
Right of use assets	(26,158)	(25,290)
Total deferred tax liabilities	(124,437)	(143,885)
Net deferred tax assets (liabilities)	$ 650,065	$ 608,558

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Amount of deferred tax liability attributable to taxable temporary differences from leasing arrangements.

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Amount of deferred tax liability attributable to taxable temporary differences from property, plant, and equipment.

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Amount of deferred tax liability attributable to taxable temporary differences from undistributed earnings of subsidiary and other recognized entity not within country of domicile. Includes, but is not limited to, other basis differences.

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