Condensed Consolidated Balance Sheets (Parenthetical) (Unaudited) (USD $) In Thousands, except Share data, unless otherwise specified	Dec. 31, 2014	Mar. 31, 2014
Statement of Financial Position [Abstract]
Allowance for Doubtful Accounts Receivable	$ 726	$ 1,101
Accounts Receivable, Net, Current	$ 21,248us-gaap_AccountsReceivableNetCurrent	$ 23,615us-gaap_AccountsReceivableNetCurrent
Common stock, stated value	$ 0.30	$ 0.30
Common stock, shares authorized	80,000,000us-gaap_CommonStockSharesAuthorized	80,000,000us-gaap_CommonStockSharesAuthorized
Common stock, shares issued	31,606,831us-gaap_CommonStockSharesIssued	31,606,831us-gaap_CommonStockSharesIssued
Common stock, shares outstanding	22,822,554us-gaap_CommonStockSharesOutstanding	22,467,970us-gaap_CommonStockSharesOutstanding
Treasury shares	8,784,277us-gaap_TreasuryStockShares	9,138,861us-gaap_TreasuryStockShares

Amount due from customers or clients, within one year of the balance sheet date (or the normal operating cycle, whichever is longer), for goods or services (including trade receivables) that have been delivered or sold in the normal course of business, reduced to the estimated net realizable fair value by an allowance established by the entity of the amount it deems uncertain of collection.

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For an unclassified balance sheet, a valuation allowance for receivables due a company that are expected to be uncollectible.

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Face amount or stated value per share of common stock.

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The maximum number of common shares permitted to be issued by an entity's charter and bylaws.

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Total number of common shares of an entity that have been sold or granted to shareholders (includes common shares that were issued, repurchased and remain in the treasury). These shares represent capital invested by the firm's shareholders and owners, and may be all or only a portion of the number of shares authorized. Shares issued include shares outstanding and shares held in the treasury.

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Number of shares of common stock outstanding. Common stock represent the ownership interest in a corporation.

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Number of common and preferred shares that were previously issued and that were repurchased by the issuing entity and held in treasury on the financial statement date. This stock has no voting rights and receives no dividends.

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