Supplemental Financial Information - Accrued Liabilities (Details) - USD ($) $ in Thousands	May 02, 2020	Feb. 01, 2020
Accrued liabilities:
Contract liabilities	$ 106,411	$ 111,486
Technology license obligations	85,455	71,623
Deferred non-recurring engineering credits	52,645	51,109
Lease liabilities - current	30,128	28,662
Accrued royalty	13,189	10,927
Accrued restructuring	10,073	14,302
Accrued income tax payable	7,265	6,133
Other	75,487	52,397
Accrued liabilities	$ 380,653	$ 346,639