Income Taxes (Schedule of Tax Effects of Temporary Differences that Give Rise to the Deferred Tax Assets and Liabilities) (Detail) (USD $) In Thousands, unless otherwise specified	Jun. 30, 2014	Jun. 30, 2013
Deferred tax assets:
Accrued environmental remediation liabilities not currently deductible		$ 102
Accrued deferred compensation	2,970	2,791
Accrual for sales deductions not currently deductible	5,901	2,989
Additional inventoried costs for tax purposes	236	206
Allowance for doubtful accounts receivable	87	139
Depreciation and amortization	6,074	2,690
Accrual for payments to former senior management and other personnel related costs	126	57
Contingent consideration	1,313	1,949
Foreign deferred tax assets	477	246
Domestic net operating loss carryforwards	158	200
Foreign net operating loss carryforwards	857	758
Total gross deferred tax assets	18,199	12,127
Valuation allowances	(1,015)	(958)
Deferred tax assets, net	17,184	11,169
Deferred tax liabilities:
Foreign deferred tax liabilities	(6)	(6)
Goodwill	(4,627)	(2,306)
Accrued environmental remediation liabilities not currently deductible	(216)
Other	(246)	(107)
Total gross deferred tax liabilities	(5,095)	(2,419)
Net deferred tax assets	$ 12,089	$ 8,750