Property, Plant And Equipment (Details) - USD ($) $ in Thousands	12 Months Ended
	Jun. 30, 2016	Jun. 30, 2015
Property, Plant and Equipment [Line Items]
Total	$ 147,052	$ 141,637
Less accumulated depreciation	(82,928)	(76,867)
Net	64,124	64,770
Land [Member]
Property, Plant and Equipment [Line Items]
Total	7,279	7,654
Buildings And Building Improvements [Member]
Property, Plant and Equipment [Line Items]
Total	72,900	72,684
Machinery and Equipment [Member]
Property, Plant and Equipment [Line Items]
Total	34,015	32,263
Delivery Equipment [Member]
Property, Plant and Equipment [Line Items]
Total	21,979	20,097
Furniture And Fixtures [Member]
Property, Plant and Equipment [Line Items]
Total	$ 10,879	$ 8,939
Minimum [Member] | Buildings And Building Improvements [Member]
Property, Plant and Equipment [Line Items]
Estimated Life (Years)	5 years
Minimum [Member] | Machinery and Equipment [Member]
Property, Plant and Equipment [Line Items]
Estimated Life (Years)	3 years
Minimum [Member] | Delivery Equipment [Member]
Property, Plant and Equipment [Line Items]
Estimated Life (Years)	3 years
Minimum [Member] | Furniture And Fixtures [Member]
Property, Plant and Equipment [Line Items]
Estimated Life (Years)	3 years
Maximum [Member] | Buildings And Building Improvements [Member]
Property, Plant and Equipment [Line Items]
Estimated Life (Years)	39 years
Maximum [Member] | Machinery and Equipment [Member]
Property, Plant and Equipment [Line Items]
Estimated Life (Years)	7 years
Maximum [Member] | Delivery Equipment [Member]
Property, Plant and Equipment [Line Items]
Estimated Life (Years)	5 years
Maximum [Member] | Furniture And Fixtures [Member]
Property, Plant and Equipment [Line Items]
Estimated Life (Years)	7 years