Consolidated Statements of Comprehensive Income - USD ($) $ in Thousands	12 Months Ended
	Jan. 31, 2021	Jan. 26, 2020	Jan. 27, 2019
Net income	$ 59,867	$ 31,866	$ 69,639
Other comprehensive loss, net:
Unrealized gain on available-for-sale securities	140	2,506	0
Reclassification of realized gain on available-for-sale securities, net to net income	(757)	0	0
Change in defined benefit plans, net	14	(4,991)	(2,481)
Other comprehensive loss, net	(2,002)	(2,559)	(2,407)
Comprehensive income	57,865	29,307	67,232
Comprehensive loss attributable to noncontrolling interest	(36)	(5)	0
Comprehensive income attributable to common stockholders	57,901	29,312	67,232
Foreign currency cash flow hedges
Other comprehensive loss, net:
Unrealized gain (loss) on cash flow hedges, net	602	59	(115)
Reclassifications of realized (gain) loss on cash flow hedges, net to net income	(602)	(133)	189
Interest Rate Swap
Other comprehensive loss, net:
Unrealized gain (loss) on cash flow hedges, net	(1,817)	0	0
Reclassifications of realized (gain) loss on cash flow hedges, net to net income	$ 418	$ 0	$ 0