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, 2013	Jun. 30, 2012
Deferred tax assets:
Accrued environmental remediation liabilities not currently deductible	$ 102	$ 302
Accrued deferred compensation	2,791	2,429
Accrual for acquisition costs not currently deductible		337
Accrual for sales deductions not currently deductible	2,989	1,528
Additional inventoried costs for tax purposes	206	255
Allowance for doubtful accounts receivable	139	134
Depreciation and amortization	2,690	1,438
Accrual for payments to former senior management and other personnel related costs	57	159
Contingent consideration	1,949	489
Foreign deferred tax assets	246
Domestic net operating loss carryforwards	200	200
Foreign net operating loss carryforwards	758	965
Total gross deferred tax assets	12,127	8,236
Valuation allowances	(958)	(946)
Deferred tax assets, net	11,169	7,290
Deferred tax liabilities:
Foreign deferred tax liabilities	(6)	(8)
Goodwill	(2,306)	(1,457)
Other	(107)	(166)
Total gross deferred tax liabilities	(2,419)	(1,631)
Net deferred tax assets	$ 8,750	$ 5,659