Income Taxes (Details 3) - USD ($) $ in Thousands	Jun. 30, 2016	Jun. 30, 2015
Deferred tax assets:
Warranty reserve	$ 195	$ 312
Bad debt reserve	3,188	164
Paid time-off accrual	865	765
Insurance reserve	2,461	2,178
Legal reserve	87	382
Net operating loss benefit and credit carryforwards	8,207	7,380
Valuation allowance	(424)	(115)
Accrued compensation and pension	1,268	1,059
Stock compensation expense on nonvested deferred shares	3,472	3,080
Accrued losses	274	970
Foreign currency translation and other	1,041	897
Total deferred tax assets	20,634	17,072
Deferred tax liabilities:
Tax over book depreciation	11,504	9,987
Tax over book amortization	2,588	1,658
Branch future liability	2,889	2,193
Prepaid insurance	396	160
Receivable holdbacks and other	2,736	589
Total deferred tax liabilities	20,113	14,587
Net deferred tax asset	$ 521	$ 2,485