Income Taxes (Deferred Tax Assets and Liabilities) (Details) (USD $) In Thousands, unless otherwise specified	Jun. 30, 2014	Jun. 30, 2013
Income Tax Disclosure [Abstract]
Allowance for accounts receivable	$ 6,987	$ 5,958
Inventories	10,950	9,708
Nondeductible accrued expenses	0	375
Net operating loss carryforwards	4,675	4,065
Tax credits	1,873	1,021
Timing of amortization deduction from goodwill	6,101	6,403
Deferred compensation	5,300	5,205
Stock compensation	5,129	5,537
Timing of depreciation and other deductions for building and equipment	0	10,152
Total deferred tax assets	41,015	48,424
Valuation allowance	(1,696)	(893)
Total deferred tax assets	39,319	47,531
Nondeductible accrued expenses	(231)	0
Timing of depreciation and other deductions from building and equipment	(74)	0
Timing of amortization deduction from goodwill	(4,477)	(3,938)
Timing of amortization deduction from intangible assets	(1,886)	(2,506)
Total deferred tax liabilities	(6,668)	(6,444)
Net deferred tax assets	$ 32,651	$ 41,087