Revenue Deferred Revenue (Tables)

6 Months Ended

Oct. 31, 2020

Revenue Recognition and Deferred Revenue [Abstract]

Contract with Customer, Asset and Liability [Table Text Block]

The following table presents changes in contract liabilities:

	26 weeks ended
	October 31, 2020		October 26, 2019
Deferred revenue at the beginning of period	$	13,373	$	20,418
Additions to deferred revenue during the period	91,051		108,430
Reductions to deferred revenue for revenue recognized during the period	(71,580)		(79,854)
Deferred revenue balance at the end of period	$	32,844	$	48,994