Condensed Consolidated Balance Sheets (Parenthetical) (Unaudited) - USD ($) $ in Thousands	Jun. 30, 2015	Mar. 31, 2015
Statement of Financial Position [Abstract]
Allowance for Doubtful Accounts Receivable	$ 934	$ 888
Accounts Receivable, Net, Current	$ 19,242	$ 25,481
Common stock, stated value	$ 0.30	$ 0.30
Common stock, shares authorized	80,000,000	80,000,000
Common stock, shares issued	31,606,831	31,606,831
Common stock, shares outstanding	22,924,212	22,789,355
Treasury shares	8,682,619	8,817,477