Debt (Debt Issuance Costs) (Detail) $ in Thousands	Dec. 31, 2019 USD ($)
Deferred Debt Issuance Costs at June 30, 2019	$ 7,967
Amortization of Deferred Debt Issuance Costs	(783)
Deferred debt issuance costs as of December 31, 2019	7,184
Term B Loan [Member]
Deferred Debt Issuance Costs at June 30, 2019	5,906
Amortization of Deferred Debt Issuance Costs	(511)
Deferred debt issuance costs as of December 31, 2019	5,395
Revolver [Member]
Deferred Debt Issuance Costs at June 30, 2019	2,061
Amortization of Deferred Debt Issuance Costs	(272)
Deferred debt issuance costs as of December 31, 2019	$ 1,789