Condensed Consolidated Statements of Income (USD $) In Thousands, except Per Share data, unless otherwise specified	3 Months Ended		6 Months Ended
	Dec. 31, 2012	Dec. 31, 2011	Dec. 31, 2012	Dec. 31, 2011
Average Number of Shares Outstanding:
Average Number of Shares Outstanding, Basic	38,077	37,891	38,047	37,863
Average Number of Shares Outstanding, Diluted	38,295	37,979	38,469	37,973
Statement [Line Items]
Net Sales:	$ 295,136	$ 296,904	$ 583,326	$ 567,539
Cost of Sales	239,979	242,584	472,964	466,249
Gross Profit	55,157	54,320	110,362	101,290
Selling and Administrative Expenses	49,006	48,597	97,244	94,565
Restructuring Expense	31	1,480	91	1,593
Operating Income	6,120	4,243	13,027	5,132
Other Income (Expense):
Interest income	121	100	231	220
Interest expense	(8)	(7)	(15)	(16)
Non-operating income (expense), net	(1,470)	1,349	(1,286)	36
Other income (expense), net	(1,357)	1,442	(1,070)	240
Income Before Taxes on Income	4,763	5,685	11,957	5,372
Provision for Income Taxes	584	2,488	2,817	2,321
Net Income	$ 4,179	$ 3,197	$ 9,140	$ 3,051
Class A Common Stock
Basic Earnings Per Share:
Earnings (Loss) Per Share, Basic	$ 0.11	$ 0.08	$ 0.23	$ 0.07
Diluted Earnings Per Share:
Earnings (Loss) Per Share, Diluted	$ 0.11	$ 0.08	$ 0.22	$ 0.07
Dividends Per Share of Common Stock:
Dividends Per Share of Common Stock, Declared	$ 0.045	$ 0.045	$ 0.090	$ 0.090
Class B Common Stock
Basic Earnings Per Share:
Earnings (Loss) Per Share, Basic	$ 0.11	$ 0.09	$ 0.24	$ 0.08
Diluted Earnings Per Share:
Earnings (Loss) Per Share, Diluted	$ 0.11	$ 0.09	$ 0.24	$ 0.08
Dividends Per Share of Common Stock:
Dividends Per Share of Common Stock, Declared	$ 0.050	$ 0.050	$ 0.100	$ 0.100