Commercial Loans Receivables (Narrative) (Details)	3 Months Ended
	Jun. 27, 2020	Mar. 28, 2020
Receivables [Abstract]
Due days for loans accounted for on a non-accrual basis and accruing loans with principal payments past	90 days
Due days for loans on nonaccrual status when interest is past due and remains unpaid	90 days
Percentage concentration of commercial loans receivables	10.00%	10.00%