Allocation of Purchase Price of Assets Acquired and Liabilities Assumed (Detail)) - USD ($) $ in Thousands	Sep. 30, 2018	Jun. 30, 2018
Assets
Goodwill	$ 298,308	$ 270,678
CoAdna, Inc
Assets
Accounts receivable	5,684
Inventories	6,189
Prepaid and other assets	2,866
Property, plant & equipment	3,181
Intangible assets	16,072
Goodwill	24,844
Total assets acquired	58,836
Liabilities
Accounts payable	4,006
Other accrued liabilities	2,717
Accrued income taxes	5,791
Deferred tax liabilities	3,506
Total liabilities assumed	16,020
Net assets acquired	$ 42,816