Allowance for Doubtful Accounts - Activity in Allowance for Doubtful Accounts (Details) - USD ($) $ in Thousands	3 Months Ended	9 Months Ended
	Mar. 28, 2020	Mar. 28, 2020	Mar. 30, 2019
Accounts Receivable, Allowance for Credit Loss [Roll Forward]
Balance at beginning of period		$ 28,176
Charged to costs and expenses	$ 175,400	213,769	$ 43,791
Customer accounts written off, net of recoveries		11,474
Other adjustments		(7,343)
Balance at end of period	$ 246,076	$ 246,076