Sales of Receivables - Summary of MARPA Activity (Detail) - USD ($) $ in Thousands		Dec. 31, 2020		Jun. 30, 2020	Dec. 31, 2019		Jun. 30, 2019
Transfers And Servicing Of Financial Assets [Abstract]
Outstanding balance sold to Purchaser		$ 199,758	[1]	$ 200,000	$ 197,438	[1]	$ 192,527
Sales of receivables		1,354,577			1,144,293
Cash collections		(1,354,819)			(1,139,382)
Cash collected, not remitted to Purchaser	[2]	(43,304)			(53,904)
Remaining sold receivables		$ 156,454			$ 143,534

[1] For the six months ended December 31, 2020 and 2019, the Company recorded a net cash outflow of $0.2 million and a net cash inflow of $4.9 million in its cash flows from operating activities, respectively, from sold receivables.  MARPA cash flows are calculated as the change in the outstanding balance during the fiscal year.

[2] Includes the cash collected on behalf of but not yet remitted to the Purchaser as of December 31, 2020 and 2019.  This balance is included in other accrued expenses and current liabilities as of the balance sheet date.