Restructuring Charges and Executive Transition Costs (Details) - USD ($) $ in Thousands	3 Months Ended	12 Months Ended
	Mar. 31, 2018	Mar. 28, 2020	Mar. 30, 2019	Mar. 31, 2018	Dec. 28, 2019
Restructuring Cost and Reserve [Line Items]
Total executive transition costs		$ 28,362	$ 0	$ 33,351
Restructuring accruals		13,454			$ 28,362
Employee Severance [Member]
Restructuring Cost and Reserve [Line Items]
Total executive transition costs	$ 33,400
Restructuring accruals		$ 12,841			$ 27,628