Business Combinations (Narrative) (Detail) shares in Thousands, $ in Thousands		1 Months Ended	3 Months Ended	9 Months Ended
		Dec. 21, 2016 USD ($) Contract Subsidiary shares	Mar. 31, 2018 USD ($) shares	Mar. 31, 2018 USD ($) shares	Mar. 31, 2017 USD ($)	Jun. 30, 2017 USD ($)
Business Acquisition [Line Items]
Cash paid					$ 270,000
Number of shares to be issued | shares	[1]			5,122
Amount of contingent consideration reversed	[1]			$ (2,505)
Contingent consideration			$ 752	$ 752		$ 2,952
Citron and Lucid
Business Acquisition [Line Items]
Number of national contracts with the Federal Government | Contract		18
Term of national contracts		5 years
Cash paid		$ 270,000
Deferred payment		$ 50,000
Interest rate		5.00%
Number of shares to be issued | shares		5,122	5,122	5,122
Purchase price, earn-out period		5 years
Purchase price, earn-out amount		$ 50,000
Amount of contingent consideration reversed			$ 2,505
Contingent consideration			$ 663	$ 663		$ 2,807
Rising Pharmaceuticals, Inc.
Business Acquisition [Line Items]
Number of subsidiary | Subsidiary		2

[1] (as restated)