Segment Information (Schedule of Sales by Geographic Location Based on the Sales Office Location) (Details) - USD ($) $ in Thousands	3 Months Ended								12 Months Ended
	Mar. 27, 2021	Dec. 26, 2020	Sep. 26, 2020	Jun. 27, 2020	Mar. 28, 2020	Dec. 28, 2019	Sep. 28, 2019	Jun. 29, 2019	Mar. 27, 2021	Mar. 28, 2020	Mar. 30, 2019
Revenues from External Customers and Long-Lived Assets [Line Items]
Net sales	$ 293,537	$ 485,795	$ 347,325	$ 242,573	$ 279,291	$ 374,668	$ 388,912	$ 238,253	$ 1,369,230	$ 1,281,124	$ 1,185,524
China
Revenues from External Customers and Long-Lived Assets [Line Items]
Net sales									1,024,178	975,090	922,202
Hong Kong
Revenues from External Customers and Long-Lived Assets [Line Items]
Net sales									170,605	205,314	166,460
South Korea
Revenues from External Customers and Long-Lived Assets [Line Items]
Net sales									42,403	12,218	856
Japan
Revenues from External Customers and Long-Lived Assets [Line Items]
Net sales									32,124	8,149	9,210
United States
Revenues from External Customers and Long-Lived Assets [Line Items]
Net sales									21,708	17,099	26,182
Rest of World
Revenues from External Customers and Long-Lived Assets [Line Items]
Net sales									$ 78,212	$ 63,254	$ 60,614