Condensed Consolidated Balance Sheets (Unaudited) (Parenthetical) - USD ($) $ in Thousands	Mar. 31, 2017	Jun. 30, 2016
Current Assets:
Accounts Receivable, less allowances	$ 10,470	$ 11,034
Noncurrent Assets:
Property, less accumulated depreciation	$ 165,956	$ 161,466
Shareholders’ Equity
Preferred stock, par value	$ 0.00	$ 0.00
Preferred stock, shares authorized	2,500,000	2,500,000
Preferred stock, shares issued	0	0
Preferred stock, shares outstanding	0	0
Common stock, par value	$ 0.00	$ 0.00
Common stock, shares authorized	80,000,000	80,000,000
Common stock, shares issued	54,213,000	54,213,000
Common stock, shares outstanding	39,030,000	39,057,000
Treasury shares	15,183,000	15,156,000