Debt (Debt Issuance Costs) (Detail) $ in Thousands	Mar. 31, 2020 USD ($)
Deferred Debt Issuance Costs at June 30, 2019	$ 7,967
Amortization of Deferred Debt Issuance Costs	(1,174)
Deferred debt issuance costs as of December 31, 2019	6,793
Term B Loan [Member]
Deferred Debt Issuance Costs at June 30, 2019	5,906
Amortization of Deferred Debt Issuance Costs	(766)
Deferred debt issuance costs as of December 31, 2019	5,140
Revolver [Member]
Deferred Debt Issuance Costs at June 30, 2019	2,061
Amortization of Deferred Debt Issuance Costs	(408)
Deferred debt issuance costs as of December 31, 2019	$ 1,653