Income Taxes (Deferred Tax Assets and Liabilities) (Details) - USD ($) $ in Thousands	Jun. 30, 2016	Jun. 30, 2015
Income Tax Disclosure [Abstract]
Allowance for accounts receivable	$ 12,458	$ 9,925
Inventories	4,799	5,235
Nondeductible accrued expenses	3,842	5,838
Net operating loss carryforwards	3,036	2,223
Tax credits	3,316	2,136
Timing of amortization deduction from goodwill	2,660	10,652
Deferred compensation	6,733	6,014
Stock compensation	6,014	5,730
Timing of amortization deduction from intangible assets	1,600	83
Total deferred tax assets	44,458	47,836
Valuation allowance	(3,029)	(2,509)
Total deferred tax assets	41,429	45,327
Timing of depreciation and other deductions from building and equipment	(6,827)	(549)
Timing of amortization deduction from goodwill	(5,370)	(4,908)
Timing of amortization deduction from intangible assets	(2,974)	(4,680)
Total deferred tax liabilities	(15,171)	(10,137)
Net deferred tax assets	$ 26,258	$ 35,190