Restructuring and Related Activities (Details) - USD ($)	3 Months Ended	12 Months Ended
	Mar. 28, 2020	Mar. 28, 2020	Mar. 30, 2019	Mar. 31, 2018
Restructuring Cost and Reserve [Line Items]
Disposal of equipment, net of recovery from sales		$ 9,578,000
Impairment and write-off of intangible assets	$ 10,000,000.0	9,961,000	$ 0	$ 0
Other exit costs		1,903,000
Personnel-related charges, net of equity cancellations		483,000
Total		21,925,000	$ 0	$ 0
Accelerated depreciation		11,500,000
Recovery from equipment sold		1,900,000
Severance costs		1,700,000
Equity cancellation benefits		1,200,000
Other Accrued Liabilities [Member] | Accrued exit costs
Restructuring Cost and Reserve [Line Items]
Accrued restructuring charges	600,000	600,000
Other Accrued Liabilities [Member] | Accrued severance
Restructuring Cost and Reserve [Line Items]
Accrued restructuring charges	$ 400,000	$ 400,000